From 3890ea8c8c838b4f96b5503d375886c8330a9ec0 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Sun, 12 Jun 2022 11:00:54 -0700
Subject: [PATCH 01/26] CI/DEBUG: Windows 3.9 memory error

---
 ci/run_tests.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ci/run_tests.sh b/ci/run_tests.sh
index e6de5caf955fc..5bff8bb412947 100755
--- a/ci/run_tests.sh
+++ b/ci/run_tests.sh
@@ -24,7 +24,7 @@ if [[ $(uname) == "Linux" && -z $DISPLAY ]]; then
     XVFB="xvfb-run "
 fi
 
-PYTEST_CMD="${XVFB}pytest -r fEs -n $PYTEST_WORKERS --dist=loadfile $TEST_ARGS $COVERAGE $PYTEST_TARGET"
+PYTEST_CMD="${XVFB}pytest -v -r fEs -n $PYTEST_WORKERS --dist=loadfile $TEST_ARGS $COVERAGE $PYTEST_TARGET"
 
 if [[ "$PATTERN" ]]; then
   PYTEST_CMD="$PYTEST_CMD -m \"$PATTERN\""

From 522d7ac25873ab95559b3de65f9c785e5845c5a4 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Sun, 12 Jun 2022 18:54:14 -0700
Subject: [PATCH 02/26] Try skipping some suspicious tests

---
 pandas/tests/plotting/frame/test_frame.py | 8 ++++++++
 pandas/tests/window/test_win_type.py      | 8 ++++++++
 2 files changed, 16 insertions(+)

diff --git a/pandas/tests/plotting/frame/test_frame.py b/pandas/tests/plotting/frame/test_frame.py
index 3ec3744e43653..48426095f7f0c 100644
--- a/pandas/tests/plotting/frame/test_frame.py
+++ b/pandas/tests/plotting/frame/test_frame.py
@@ -10,6 +10,10 @@
 import numpy as np
 import pytest
 
+from pandas.compat import (
+    is_ci_environment,
+    is_platform_windows,
+)
 import pandas.util._test_decorators as td
 
 from pandas.core.dtypes.api import is_list_like
@@ -139,6 +143,10 @@ def test_plot(self):
         result = ax.axes
         assert result is axes[0]
 
+    @pytest.mark.skipif(
+        is_ci_environment() and is_platform_windows(),
+        reason="Causes MemoryError on Windows",
+    )
     def test_nullable_int_plot(self):
         # GH 32073
         dates = ["2008", "2009", None, "2011", "2012"]
diff --git a/pandas/tests/window/test_win_type.py b/pandas/tests/window/test_win_type.py
index 8c8e9cadbfdc1..fda6282188e4a 100644
--- a/pandas/tests/window/test_win_type.py
+++ b/pandas/tests/window/test_win_type.py
@@ -1,6 +1,10 @@
 import numpy as np
 import pytest
 
+from pandas.compat import (
+    is_ci_environment,
+    is_platform_windows,
+)
 from pandas.errors import UnsupportedFunctionCall
 import pandas.util._test_decorators as td
 
@@ -679,6 +683,10 @@ def test_cmov_window_special_linear_range(win_types_special, step):
 
 
 @td.skip_if_no_scipy
+@pytest.mark.skipif(
+    is_ci_environment() and is_platform_windows(),
+    reason="Causes MemoryError on Windows",
+)
 def test_weighted_var_big_window_no_segfault(win_types, center):
     # Github Issue #46772
     x = Series(0)

From 52317b462950f5b187cd3696d1420e76e4e8a176 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Sun, 12 Jun 2022 21:53:44 -0700
Subject: [PATCH 03/26] Try skipping this hanging test

---
 pandas/tests/window/test_cython_aggregations.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pandas/tests/window/test_cython_aggregations.py b/pandas/tests/window/test_cython_aggregations.py
index c60cb6ea74ec0..2db7261dd15ea 100644
--- a/pandas/tests/window/test_cython_aggregations.py
+++ b/pandas/tests/window/test_cython_aggregations.py
@@ -5,6 +5,10 @@
 import pytest
 
 import pandas._libs.window.aggregations as window_aggregations
+from pandas.compat import (
+    is_ci_environment,
+    is_platform_windows,
+)
 
 from pandas import Series
 import pandas._testing as tm
@@ -86,6 +90,10 @@ def test_rolling_aggregation_boundary_consistency(rolling_aggregation):
     tm.assert_equal(expected, result)
 
 
+@pytest.mark.skipif(
+    is_ci_environment() and is_platform_windows(),
+    reason="Causes MemoryError on Windows",
+)
 def test_rolling_aggregation_with_unused_elements(rolling_aggregation):
     # GH-45647
     minp, width = 0, 5  # width at least 4 for kurt

From ae969e8acb726f23668379116a6e0392151b1029 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Mon, 13 Jun 2022 14:50:00 -0700
Subject: [PATCH 04/26] Check if can run okay on single process

---
 .github/workflows/macos-windows.yml | 2 +-
 ci/run_tests.sh                     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/macos-windows.yml b/.github/workflows/macos-windows.yml
index 26e6c8699ca64..b08aa50d9a3b7 100644
--- a/.github/workflows/macos-windows.yml
+++ b/.github/workflows/macos-windows.yml
@@ -24,7 +24,7 @@ jobs:
     defaults:
       run:
         shell: bash -el {0}
-    timeout-minutes: 90
+    timeout-minutes: 360
     strategy:
       matrix:
         os: [macos-latest, windows-latest]
diff --git a/ci/run_tests.sh b/ci/run_tests.sh
index 5bff8bb412947..e2a423ee569bf 100755
--- a/ci/run_tests.sh
+++ b/ci/run_tests.sh
@@ -24,7 +24,7 @@ if [[ $(uname) == "Linux" && -z $DISPLAY ]]; then
     XVFB="xvfb-run "
 fi
 
-PYTEST_CMD="${XVFB}pytest -v -r fEs -n $PYTEST_WORKERS --dist=loadfile $TEST_ARGS $COVERAGE $PYTEST_TARGET"
+PYTEST_CMD="${XVFB}pytest -v -r fEs $TEST_ARGS $COVERAGE $PYTEST_TARGET"
 
 if [[ "$PATTERN" ]]; then
   PYTEST_CMD="$PYTEST_CMD -m \"$PATTERN\""

From ab9adc73bb12e968655a06725dd2047766c82e4e Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Tue, 14 Jun 2022 13:50:32 -0700
Subject: [PATCH 05/26] Trigger CI


From aac2b398d153af3ea8246e5d7dd4cb659bc40a82 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Wed, 15 Jun 2022 13:04:53 -0700
Subject: [PATCH 06/26] run in parallel again

---
 .github/workflows/macos-windows.yml | 2 +-
 ci/run_tests.sh                     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/macos-windows.yml b/.github/workflows/macos-windows.yml
index 7c98e20c2d05f..4c48d83b68947 100644
--- a/.github/workflows/macos-windows.yml
+++ b/.github/workflows/macos-windows.yml
@@ -24,7 +24,7 @@ jobs:
     defaults:
       run:
         shell: bash -el {0}
-    timeout-minutes: 360
+    timeout-minutes: 90
     strategy:
       matrix:
         os: [macos-latest, windows-latest]
diff --git a/ci/run_tests.sh b/ci/run_tests.sh
index e2a423ee569bf..5bff8bb412947 100755
--- a/ci/run_tests.sh
+++ b/ci/run_tests.sh
@@ -24,7 +24,7 @@ if [[ $(uname) == "Linux" && -z $DISPLAY ]]; then
     XVFB="xvfb-run "
 fi
 
-PYTEST_CMD="${XVFB}pytest -v -r fEs $TEST_ARGS $COVERAGE $PYTEST_TARGET"
+PYTEST_CMD="${XVFB}pytest -v -r fEs -n $PYTEST_WORKERS --dist=loadfile $TEST_ARGS $COVERAGE $PYTEST_TARGET"
 
 if [[ "$PATTERN" ]]; then
   PYTEST_CMD="$PYTEST_CMD -m \"$PATTERN\""

From 4d85ce1896408938ccd0c26824995726c074f2af Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Wed, 15 Jun 2022 15:58:21 -0700
Subject: [PATCH 07/26] Log even more

---
 .github/workflows/macos-windows.yml | 8 ++++++++
 ci/run_tests.sh                     | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/macos-windows.yml b/.github/workflows/macos-windows.yml
index 4c48d83b68947..6d0a4082ed732 100644
--- a/.github/workflows/macos-windows.yml
+++ b/.github/workflows/macos-windows.yml
@@ -17,6 +17,7 @@ env:
   PYTEST_TARGET: pandas
   PYTEST_WORKERS: auto
   PATTERN: "not slow and not db and not network and not single_cpu"
+  PYTEST_DEBUG: true
 
 
 jobs:
@@ -54,3 +55,10 @@ jobs:
 
     - name: Test
       uses: ./.github/actions/run-tests
+
+    - name: Save debug log as an artifact
+      uses: actions/upload-artifact@v3
+      with:
+        name: pytest_debug_log
+        path: pytestdebug.log
+        retention-days: 14
diff --git a/ci/run_tests.sh b/ci/run_tests.sh
index 5bff8bb412947..d03f7904015e9 100755
--- a/ci/run_tests.sh
+++ b/ci/run_tests.sh
@@ -24,7 +24,7 @@ if [[ $(uname) == "Linux" && -z $DISPLAY ]]; then
     XVFB="xvfb-run "
 fi
 
-PYTEST_CMD="${XVFB}pytest -v -r fEs -n $PYTEST_WORKERS --dist=loadfile $TEST_ARGS $COVERAGE $PYTEST_TARGET"
+PYTEST_CMD="${XVFB}pytest -v -r fEs --full-trace --log-level=DEBUG --debug -n $PYTEST_WORKERS --dist=loadfile $TEST_ARGS $COVERAGE $PYTEST_TARGET"
 
 if [[ "$PATTERN" ]]; then
   PYTEST_CMD="$PYTEST_CMD -m \"$PATTERN\""

From 6f8fc5bc4700fc3b0378295c484e041a7beee1a0 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Wed, 15 Jun 2022 17:50:38 -0700
Subject: [PATCH 08/26] a little less debugging

---
 .github/workflows/macos-windows.yml | 2 +-
 ci/run_tests.sh                     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/macos-windows.yml b/.github/workflows/macos-windows.yml
index 6d0a4082ed732..91b109441b887 100644
--- a/.github/workflows/macos-windows.yml
+++ b/.github/workflows/macos-windows.yml
@@ -17,7 +17,7 @@ env:
   PYTEST_TARGET: pandas
   PYTEST_WORKERS: auto
   PATTERN: "not slow and not db and not network and not single_cpu"
-  PYTEST_DEBUG: true
+  #PYTEST_DEBUG: true
 
 
 jobs:
diff --git a/ci/run_tests.sh b/ci/run_tests.sh
index d03f7904015e9..261f6272cd301 100755
--- a/ci/run_tests.sh
+++ b/ci/run_tests.sh
@@ -24,7 +24,7 @@ if [[ $(uname) == "Linux" && -z $DISPLAY ]]; then
     XVFB="xvfb-run "
 fi
 
-PYTEST_CMD="${XVFB}pytest -v -r fEs --full-trace --log-level=DEBUG --debug -n $PYTEST_WORKERS --dist=loadfile $TEST_ARGS $COVERAGE $PYTEST_TARGET"
+PYTEST_CMD="${XVFB}pytest -v -r fEs --full-trace --setup-show -n $PYTEST_WORKERS --dist=loadfile $TEST_ARGS $COVERAGE $PYTEST_TARGET"
 
 if [[ "$PATTERN" ]]; then
   PYTEST_CMD="$PYTEST_CMD -m \"$PATTERN\""

From 78f176373468cdc7c03fabf9821b9d4d7267f32c Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Wed, 15 Jun 2022 21:32:11 -0700
Subject: [PATCH 09/26] dont try new pyarrow

---
 ci/deps/actions-310.yaml | 2 +-
 ci/deps/actions-39.yaml  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/ci/deps/actions-310.yaml b/ci/deps/actions-310.yaml
index d17d29ef38e7f..e21c1d1ade50d 100644
--- a/ci/deps/actions-310.yaml
+++ b/ci/deps/actions-310.yaml
@@ -40,7 +40,7 @@ dependencies:
   - psycopg2
   - pymysql
   - pytables
-  - pyarrow
+  - pyarrow<8
   - pyreadstat
   - python-snappy
   - pyxlsb
diff --git a/ci/deps/actions-39.yaml b/ci/deps/actions-39.yaml
index 3cce3bda3915c..4c3444f335f18 100644
--- a/ci/deps/actions-39.yaml
+++ b/ci/deps/actions-39.yaml
@@ -38,7 +38,7 @@ dependencies:
   - pandas-gbq
   - psycopg2
   - pymysql
-  - pyarrow
+  - pyarrow<8
   - pyreadstat
   - pytables
   - python-snappy

From 500c252f502400b483fd0e15b91926c4c157c116 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Thu, 16 Jun 2022 13:21:23 -0700
Subject: [PATCH 10/26] Try one more time with pyarrow<8, simple

---
 .github/workflows/macos-windows.yml | 12 ++++++------
 ci/run_tests.sh                     |  2 +-
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/.github/workflows/macos-windows.yml b/.github/workflows/macos-windows.yml
index 91b109441b887..e2bd8f6434874 100644
--- a/.github/workflows/macos-windows.yml
+++ b/.github/workflows/macos-windows.yml
@@ -56,9 +56,9 @@ jobs:
     - name: Test
       uses: ./.github/actions/run-tests
 
-    - name: Save debug log as an artifact
-      uses: actions/upload-artifact@v3
-      with:
-        name: pytest_debug_log
-        path: pytestdebug.log
-        retention-days: 14
+#    - name: Save debug log as an artifact
+#      uses: actions/upload-artifact@v3
+#      with:
+#        name: pytest_debug_log
+#        path: pytestdebug.log
+#        retention-days: 14
diff --git a/ci/run_tests.sh b/ci/run_tests.sh
index 261f6272cd301..5bff8bb412947 100755
--- a/ci/run_tests.sh
+++ b/ci/run_tests.sh
@@ -24,7 +24,7 @@ if [[ $(uname) == "Linux" && -z $DISPLAY ]]; then
     XVFB="xvfb-run "
 fi
 
-PYTEST_CMD="${XVFB}pytest -v -r fEs --full-trace --setup-show -n $PYTEST_WORKERS --dist=loadfile $TEST_ARGS $COVERAGE $PYTEST_TARGET"
+PYTEST_CMD="${XVFB}pytest -v -r fEs -n $PYTEST_WORKERS --dist=loadfile $TEST_ARGS $COVERAGE $PYTEST_TARGET"
 
 if [[ "$PATTERN" ]]; then
   PYTEST_CMD="$PYTEST_CMD -m \"$PATTERN\""

From 368371d620dc1ce135f6a48618c926a489e11a0b Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Thu, 16 Jun 2022 13:26:47 -0700
Subject: [PATCH 11/26] Comment out pyarrow hack

---
 .github/actions/setup-conda/action.yml | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/.github/actions/setup-conda/action.yml b/.github/actions/setup-conda/action.yml
index 87a0bd2ed1715..71f1a14e8d07b 100644
--- a/.github/actions/setup-conda/action.yml
+++ b/.github/actions/setup-conda/action.yml
@@ -15,13 +15,13 @@ inputs:
 runs:
   using: composite
   steps:
-    - name: Set Arrow version in ${{ inputs.environment-file }} to ${{ inputs.pyarrow-version }}
-      run: |
-        grep -q '  - pyarrow' ${{ inputs.environment-file }}
-        sed -i"" -e "s/  - pyarrow/  - pyarrow=${{ inputs.pyarrow-version }}/" ${{ inputs.environment-file }}
-        cat ${{ inputs.environment-file }}
-      shell: bash
-      if: ${{ inputs.pyarrow-version }}
+#    - name: Set Arrow version in ${{ inputs.environment-file }} to ${{ inputs.pyarrow-version }}
+#      run: |
+#        grep -q '  - pyarrow' ${{ inputs.environment-file }}
+#        sed -i"" -e "s/  - pyarrow/  - pyarrow=${{ inputs.pyarrow-version }}/" ${{ inputs.environment-file }}
+#        cat ${{ inputs.environment-file }}
+#      shell: bash
+#      if: ${{ inputs.pyarrow-version }}
 
     - name: Install ${{ inputs.environment-file }}
       uses: conda-incubator/setup-miniconda@v2.1.1

From 33fad64c3266a7ff945bd86cbeb360cc0ad8e6e6 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Thu, 16 Jun 2022 15:02:42 -0700
Subject: [PATCH 12/26] Restart, show setup and full traceback

---
 .github/actions/setup-conda/action.yml          | 14 +++++++-------
 .github/workflows/32-bit-linux.yml              |  1 +
 .github/workflows/code-checks.yml               |  4 ++++
 .github/workflows/docbuild-and-upload.yml       |  1 +
 .github/workflows/macos-windows.yml             |  8 --------
 .github/workflows/posix.yml                     |  1 +
 ci/deps/actions-310.yaml                        |  2 +-
 ci/deps/actions-39.yaml                         |  2 +-
 ci/run_tests.sh                                 |  2 +-
 pandas/tests/plotting/frame/test_frame.py       |  8 --------
 pandas/tests/window/test_cython_aggregations.py |  8 --------
 pandas/tests/window/test_win_type.py            |  8 --------
 12 files changed, 17 insertions(+), 42 deletions(-)

diff --git a/.github/actions/setup-conda/action.yml b/.github/actions/setup-conda/action.yml
index 71f1a14e8d07b..87a0bd2ed1715 100644
--- a/.github/actions/setup-conda/action.yml
+++ b/.github/actions/setup-conda/action.yml
@@ -15,13 +15,13 @@ inputs:
 runs:
   using: composite
   steps:
-#    - name: Set Arrow version in ${{ inputs.environment-file }} to ${{ inputs.pyarrow-version }}
-#      run: |
-#        grep -q '  - pyarrow' ${{ inputs.environment-file }}
-#        sed -i"" -e "s/  - pyarrow/  - pyarrow=${{ inputs.pyarrow-version }}/" ${{ inputs.environment-file }}
-#        cat ${{ inputs.environment-file }}
-#      shell: bash
-#      if: ${{ inputs.pyarrow-version }}
+    - name: Set Arrow version in ${{ inputs.environment-file }} to ${{ inputs.pyarrow-version }}
+      run: |
+        grep -q '  - pyarrow' ${{ inputs.environment-file }}
+        sed -i"" -e "s/  - pyarrow/  - pyarrow=${{ inputs.pyarrow-version }}/" ${{ inputs.environment-file }}
+        cat ${{ inputs.environment-file }}
+      shell: bash
+      if: ${{ inputs.pyarrow-version }}
 
     - name: Install ${{ inputs.environment-file }}
       uses: conda-incubator/setup-miniconda@v2.1.1
diff --git a/.github/workflows/32-bit-linux.yml b/.github/workflows/32-bit-linux.yml
index be894e6a5a63e..3f50a19860429 100644
--- a/.github/workflows/32-bit-linux.yml
+++ b/.github/workflows/32-bit-linux.yml
@@ -14,6 +14,7 @@ on:
 
 jobs:
   pytest:
+    if: false
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
diff --git a/.github/workflows/code-checks.yml b/.github/workflows/code-checks.yml
index 96088547634c5..ecbbf8be69340 100644
--- a/.github/workflows/code-checks.yml
+++ b/.github/workflows/code-checks.yml
@@ -16,6 +16,7 @@ env:
 
 jobs:
   pre_commit:
+    if: false
     name: pre-commit
     runs-on: ubuntu-latest
     concurrency:
@@ -35,6 +36,7 @@ jobs:
       uses: pre-commit/action@v2.0.3
 
   typing_and_docstring_validation:
+    if: false
     name: Docstring and typing validation
     runs-on: ubuntu-latest
     defaults:
@@ -98,6 +100,7 @@ jobs:
       if: ${{ steps.build.outcome == 'success' }}
 
   asv-benchmarks:
+    if: false
     name: ASV Benchmarks
     runs-on: ubuntu-latest
     defaults:
@@ -135,6 +138,7 @@ jobs:
         asv run --quick --dry-run --strict --durations=30 --python=same
 
   build_docker_dev_environment:
+    if: false
     name: Build Docker Dev Environment
     runs-on: ubuntu-latest
     defaults:
diff --git a/.github/workflows/docbuild-and-upload.yml b/.github/workflows/docbuild-and-upload.yml
index 5ffd4135802bd..cc01ca43f289c 100644
--- a/.github/workflows/docbuild-and-upload.yml
+++ b/.github/workflows/docbuild-and-upload.yml
@@ -16,6 +16,7 @@ env:
 
 jobs:
   web_and_docs:
+    if: false
     name: Doc Build and Upload
     runs-on: ubuntu-latest
 
diff --git a/.github/workflows/macos-windows.yml b/.github/workflows/macos-windows.yml
index e2bd8f6434874..4c48d83b68947 100644
--- a/.github/workflows/macos-windows.yml
+++ b/.github/workflows/macos-windows.yml
@@ -17,7 +17,6 @@ env:
   PYTEST_TARGET: pandas
   PYTEST_WORKERS: auto
   PATTERN: "not slow and not db and not network and not single_cpu"
-  #PYTEST_DEBUG: true
 
 
 jobs:
@@ -55,10 +54,3 @@ jobs:
 
     - name: Test
       uses: ./.github/actions/run-tests
-
-#    - name: Save debug log as an artifact
-#      uses: actions/upload-artifact@v3
-#      with:
-#        name: pytest_debug_log
-#        path: pytestdebug.log
-#        retention-days: 14
diff --git a/.github/workflows/posix.yml b/.github/workflows/posix.yml
index 831bbd8bb3233..bf15f554eb239 100644
--- a/.github/workflows/posix.yml
+++ b/.github/workflows/posix.yml
@@ -17,6 +17,7 @@ env:
 
 jobs:
   pytest:
+    if: false
     runs-on: ubuntu-latest
     defaults:
       run:
diff --git a/ci/deps/actions-310.yaml b/ci/deps/actions-310.yaml
index e21c1d1ade50d..d17d29ef38e7f 100644
--- a/ci/deps/actions-310.yaml
+++ b/ci/deps/actions-310.yaml
@@ -40,7 +40,7 @@ dependencies:
   - psycopg2
   - pymysql
   - pytables
-  - pyarrow<8
+  - pyarrow
   - pyreadstat
   - python-snappy
   - pyxlsb
diff --git a/ci/deps/actions-39.yaml b/ci/deps/actions-39.yaml
index 4c3444f335f18..3cce3bda3915c 100644
--- a/ci/deps/actions-39.yaml
+++ b/ci/deps/actions-39.yaml
@@ -38,7 +38,7 @@ dependencies:
   - pandas-gbq
   - psycopg2
   - pymysql
-  - pyarrow<8
+  - pyarrow
   - pyreadstat
   - pytables
   - python-snappy
diff --git a/ci/run_tests.sh b/ci/run_tests.sh
index 5bff8bb412947..b7064763279ed 100755
--- a/ci/run_tests.sh
+++ b/ci/run_tests.sh
@@ -24,7 +24,7 @@ if [[ $(uname) == "Linux" && -z $DISPLAY ]]; then
     XVFB="xvfb-run "
 fi
 
-PYTEST_CMD="${XVFB}pytest -v -r fEs -n $PYTEST_WORKERS --dist=loadfile $TEST_ARGS $COVERAGE $PYTEST_TARGET"
+PYTEST_CMD="${XVFB}pytest -v --full-trace --setup-show -r fEs -n $PYTEST_WORKERS --dist=loadfile $TEST_ARGS $COVERAGE $PYTEST_TARGET"
 
 if [[ "$PATTERN" ]]; then
   PYTEST_CMD="$PYTEST_CMD -m \"$PATTERN\""
diff --git a/pandas/tests/plotting/frame/test_frame.py b/pandas/tests/plotting/frame/test_frame.py
index 48426095f7f0c..3ec3744e43653 100644
--- a/pandas/tests/plotting/frame/test_frame.py
+++ b/pandas/tests/plotting/frame/test_frame.py
@@ -10,10 +10,6 @@
 import numpy as np
 import pytest
 
-from pandas.compat import (
-    is_ci_environment,
-    is_platform_windows,
-)
 import pandas.util._test_decorators as td
 
 from pandas.core.dtypes.api import is_list_like
@@ -143,10 +139,6 @@ def test_plot(self):
         result = ax.axes
         assert result is axes[0]
 
-    @pytest.mark.skipif(
-        is_ci_environment() and is_platform_windows(),
-        reason="Causes MemoryError on Windows",
-    )
     def test_nullable_int_plot(self):
         # GH 32073
         dates = ["2008", "2009", None, "2011", "2012"]
diff --git a/pandas/tests/window/test_cython_aggregations.py b/pandas/tests/window/test_cython_aggregations.py
index 2db7261dd15ea..c60cb6ea74ec0 100644
--- a/pandas/tests/window/test_cython_aggregations.py
+++ b/pandas/tests/window/test_cython_aggregations.py
@@ -5,10 +5,6 @@
 import pytest
 
 import pandas._libs.window.aggregations as window_aggregations
-from pandas.compat import (
-    is_ci_environment,
-    is_platform_windows,
-)
 
 from pandas import Series
 import pandas._testing as tm
@@ -90,10 +86,6 @@ def test_rolling_aggregation_boundary_consistency(rolling_aggregation):
     tm.assert_equal(expected, result)
 
 
-@pytest.mark.skipif(
-    is_ci_environment() and is_platform_windows(),
-    reason="Causes MemoryError on Windows",
-)
 def test_rolling_aggregation_with_unused_elements(rolling_aggregation):
     # GH-45647
     minp, width = 0, 5  # width at least 4 for kurt
diff --git a/pandas/tests/window/test_win_type.py b/pandas/tests/window/test_win_type.py
index fda6282188e4a..8c8e9cadbfdc1 100644
--- a/pandas/tests/window/test_win_type.py
+++ b/pandas/tests/window/test_win_type.py
@@ -1,10 +1,6 @@
 import numpy as np
 import pytest
 
-from pandas.compat import (
-    is_ci_environment,
-    is_platform_windows,
-)
 from pandas.errors import UnsupportedFunctionCall
 import pandas.util._test_decorators as td
 
@@ -683,10 +679,6 @@ def test_cmov_window_special_linear_range(win_types_special, step):
 
 
 @td.skip_if_no_scipy
-@pytest.mark.skipif(
-    is_ci_environment() and is_platform_windows(),
-    reason="Causes MemoryError on Windows",
-)
 def test_weighted_var_big_window_no_segfault(win_types, center):
     # Github Issue #46772
     x = Series(0)

From 9dc7d6946c771af4856b3df742dd256d7ded8048 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Thu, 16 Jun 2022 15:03:48 -0700
Subject: [PATCH 13/26] Also try the older windows

---
 .github/workflows/macos-windows.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/macos-windows.yml b/.github/workflows/macos-windows.yml
index 4c48d83b68947..6dbcd1e36b322 100644
--- a/.github/workflows/macos-windows.yml
+++ b/.github/workflows/macos-windows.yml
@@ -27,7 +27,7 @@ jobs:
     timeout-minutes: 90
     strategy:
       matrix:
-        os: [macos-latest, windows-latest]
+        os: [macos-latest, windows-2019]
         env_file: [actions-38.yaml, actions-39.yaml, actions-310.yaml]
       fail-fast: false
     runs-on: ${{ matrix.os }}

From 15034a3e309b07442deb655ed68bd7aa6809da75 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Fri, 17 Jun 2022 10:39:07 -0700
Subject: [PATCH 14/26] generate debug log again

---
 .github/workflows/macos-windows.yml | 8 ++++++++
 ci/run_tests.sh                     | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/macos-windows.yml b/.github/workflows/macos-windows.yml
index 6dbcd1e36b322..714f587684b06 100644
--- a/.github/workflows/macos-windows.yml
+++ b/.github/workflows/macos-windows.yml
@@ -17,6 +17,7 @@ env:
   PYTEST_TARGET: pandas
   PYTEST_WORKERS: auto
   PATTERN: "not slow and not db and not network and not single_cpu"
+  PYTEST_DEBUG: true
 
 
 jobs:
@@ -54,3 +55,10 @@ jobs:
 
     - name: Test
       uses: ./.github/actions/run-tests
+
+    - name: Save debug log as an artifact
+      uses: actions/upload-artifact@v3
+      with:
+        name: pytest_debug_log
+        path: pytestdebug.log
+        retention-days: 14
diff --git a/ci/run_tests.sh b/ci/run_tests.sh
index b7064763279ed..024f31dad6210 100755
--- a/ci/run_tests.sh
+++ b/ci/run_tests.sh
@@ -24,7 +24,7 @@ if [[ $(uname) == "Linux" && -z $DISPLAY ]]; then
     XVFB="xvfb-run "
 fi
 
-PYTEST_CMD="${XVFB}pytest -v --full-trace --setup-show -r fEs -n $PYTEST_WORKERS --dist=loadfile $TEST_ARGS $COVERAGE $PYTEST_TARGET"
+PYTEST_CMD="${XVFB}pytest -v --full-trace --setup-show --log-level=DEBUG --debug -r fEs -n $PYTEST_WORKERS --dist=loadfile $TEST_ARGS $COVERAGE $PYTEST_TARGET"
 
 if [[ "$PATTERN" ]]; then
   PYTEST_CMD="$PYTEST_CMD -m \"$PATTERN\""

From a4480bae5b6bb696204316c546001291950d4d30 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Fri, 17 Jun 2022 10:44:54 -0700
Subject: [PATCH 15/26] change to latest

---
 .github/workflows/macos-windows.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/macos-windows.yml b/.github/workflows/macos-windows.yml
index 714f587684b06..6d0a4082ed732 100644
--- a/.github/workflows/macos-windows.yml
+++ b/.github/workflows/macos-windows.yml
@@ -28,7 +28,7 @@ jobs:
     timeout-minutes: 90
     strategy:
       matrix:
-        os: [macos-latest, windows-2019]
+        os: [macos-latest, windows-latest]
         env_file: [actions-38.yaml, actions-39.yaml, actions-310.yaml]
       fail-fast: false
     runs-on: ${{ matrix.os }}

From 35612b7b02d7310084237477c4bae33e37381de1 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Fri, 17 Jun 2022 13:20:46 -0700
Subject: [PATCH 16/26] dump log if failure

---
 .github/workflows/macos-windows.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/macos-windows.yml b/.github/workflows/macos-windows.yml
index 6d0a4082ed732..6e15eee8d7f41 100644
--- a/.github/workflows/macos-windows.yml
+++ b/.github/workflows/macos-windows.yml
@@ -62,3 +62,4 @@ jobs:
         name: pytest_debug_log
         path: pytestdebug.log
         retention-days: 14
+      if: failure()

From 6dd81e81fc8265f46a6102cbd9870850935bb007 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Fri, 17 Jun 2022 15:50:24 -0700
Subject: [PATCH 17/26] Create separate log per os/version

---
 .github/workflows/macos-windows.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/macos-windows.yml b/.github/workflows/macos-windows.yml
index 6e15eee8d7f41..8dacf3bfe9baf 100644
--- a/.github/workflows/macos-windows.yml
+++ b/.github/workflows/macos-windows.yml
@@ -59,7 +59,7 @@ jobs:
     - name: Save debug log as an artifact
       uses: actions/upload-artifact@v3
       with:
-        name: pytest_debug_log
+        name: pytest_debug_log_${{ matrix.env_file }}_${{ matrix.os }}
         path: pytestdebug.log
         retention-days: 14
       if: failure()

From 4d893544d18686075ffb01295be6a441542f326d Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Fri, 17 Jun 2022 17:26:48 -0700
Subject: [PATCH 18/26] See if it was any dependencies bumped recently

---
 .github/actions/setup-conda/action.yml | 14 +++++++-------
 .github/workflows/macos-windows.yml    | 11 +----------
 ci/deps/actions-38.yaml                |  6 +++---
 ci/deps/actions-39.yaml                |  6 +++---
 ci/run_tests.sh                        |  2 +-
 5 files changed, 15 insertions(+), 24 deletions(-)

diff --git a/.github/actions/setup-conda/action.yml b/.github/actions/setup-conda/action.yml
index 87a0bd2ed1715..71f1a14e8d07b 100644
--- a/.github/actions/setup-conda/action.yml
+++ b/.github/actions/setup-conda/action.yml
@@ -15,13 +15,13 @@ inputs:
 runs:
   using: composite
   steps:
-    - name: Set Arrow version in ${{ inputs.environment-file }} to ${{ inputs.pyarrow-version }}
-      run: |
-        grep -q '  - pyarrow' ${{ inputs.environment-file }}
-        sed -i"" -e "s/  - pyarrow/  - pyarrow=${{ inputs.pyarrow-version }}/" ${{ inputs.environment-file }}
-        cat ${{ inputs.environment-file }}
-      shell: bash
-      if: ${{ inputs.pyarrow-version }}
+#    - name: Set Arrow version in ${{ inputs.environment-file }} to ${{ inputs.pyarrow-version }}
+#      run: |
+#        grep -q '  - pyarrow' ${{ inputs.environment-file }}
+#        sed -i"" -e "s/  - pyarrow/  - pyarrow=${{ inputs.pyarrow-version }}/" ${{ inputs.environment-file }}
+#        cat ${{ inputs.environment-file }}
+#      shell: bash
+#      if: ${{ inputs.pyarrow-version }}
 
     - name: Install ${{ inputs.environment-file }}
       uses: conda-incubator/setup-miniconda@v2.1.1
diff --git a/.github/workflows/macos-windows.yml b/.github/workflows/macos-windows.yml
index 8dacf3bfe9baf..b1ea3379228ce 100644
--- a/.github/workflows/macos-windows.yml
+++ b/.github/workflows/macos-windows.yml
@@ -17,7 +17,6 @@ env:
   PYTEST_TARGET: pandas
   PYTEST_WORKERS: auto
   PATTERN: "not slow and not db and not network and not single_cpu"
-  PYTEST_DEBUG: true
 
 
 jobs:
@@ -28,7 +27,7 @@ jobs:
     timeout-minutes: 90
     strategy:
       matrix:
-        os: [macos-latest, windows-latest]
+        os: [windows-latest]
         env_file: [actions-38.yaml, actions-39.yaml, actions-310.yaml]
       fail-fast: false
     runs-on: ${{ matrix.os }}
@@ -55,11 +54,3 @@ jobs:
 
     - name: Test
       uses: ./.github/actions/run-tests
-
-    - name: Save debug log as an artifact
-      uses: actions/upload-artifact@v3
-      with:
-        name: pytest_debug_log_${{ matrix.env_file }}_${{ matrix.os }}
-        path: pytestdebug.log
-        retention-days: 14
-      if: failure()
diff --git a/ci/deps/actions-38.yaml b/ci/deps/actions-38.yaml
index 71b03c2a81939..37247964cc198 100644
--- a/ci/deps/actions-38.yaml
+++ b/ci/deps/actions-38.yaml
@@ -11,7 +11,7 @@ dependencies:
   - pytest-xdist>=1.31
   - psutil
   - pytest-asyncio>=0.17
-  - boto3
+  - boto3<1.24.3
 
   # required dependencies
   - python-dateutil
@@ -35,9 +35,9 @@ dependencies:
   - numexpr
   - openpyxl
   - odfpy
-  - pandas-gbq
+  - pandas-gbq<0.17.5
   - psycopg2
-  - pyarrow
+  - pyarrow<8
   - pymysql
   - pyreadstat
   - pytables
diff --git a/ci/deps/actions-39.yaml b/ci/deps/actions-39.yaml
index 3cce3bda3915c..0eef001ce570f 100644
--- a/ci/deps/actions-39.yaml
+++ b/ci/deps/actions-39.yaml
@@ -11,7 +11,7 @@ dependencies:
   - pytest-xdist>=1.31
   - psutil
   - pytest-asyncio>=0.17
-  - boto3
+  - boto3<1.24.3
 
   # required dependencies
   - python-dateutil
@@ -35,10 +35,10 @@ dependencies:
   - numexpr
   - openpyxl
   - odfpy
-  - pandas-gbq
+  - pandas-gbq<0.17.5
   - psycopg2
   - pymysql
-  - pyarrow
+  - pyarrow<8
   - pyreadstat
   - pytables
   - python-snappy
diff --git a/ci/run_tests.sh b/ci/run_tests.sh
index 024f31dad6210..969d773d360a8 100755
--- a/ci/run_tests.sh
+++ b/ci/run_tests.sh
@@ -24,7 +24,7 @@ if [[ $(uname) == "Linux" && -z $DISPLAY ]]; then
     XVFB="xvfb-run "
 fi
 
-PYTEST_CMD="${XVFB}pytest -v --full-trace --setup-show --log-level=DEBUG --debug -r fEs -n $PYTEST_WORKERS --dist=loadfile $TEST_ARGS $COVERAGE $PYTEST_TARGET"
+PYTEST_CMD="${XVFB}pytest -v --full-trace -r fEs -n $PYTEST_WORKERS --dist=loadfile $TEST_ARGS $COVERAGE $PYTEST_TARGET"
 
 if [[ "$PATTERN" ]]; then
   PYTEST_CMD="$PYTEST_CMD -m \"$PATTERN\""

From f6ec16284ce56e751911efd577bb928964de007c Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Sat, 18 Jun 2022 20:43:20 -0700
Subject: [PATCH 19/26] See if same errors happen without dependencies pinnning

---
 ci/deps/actions-38.yaml | 6 +++---
 ci/deps/actions-39.yaml | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/ci/deps/actions-38.yaml b/ci/deps/actions-38.yaml
index 37247964cc198..71b03c2a81939 100644
--- a/ci/deps/actions-38.yaml
+++ b/ci/deps/actions-38.yaml
@@ -11,7 +11,7 @@ dependencies:
   - pytest-xdist>=1.31
   - psutil
   - pytest-asyncio>=0.17
-  - boto3<1.24.3
+  - boto3
 
   # required dependencies
   - python-dateutil
@@ -35,9 +35,9 @@ dependencies:
   - numexpr
   - openpyxl
   - odfpy
-  - pandas-gbq<0.17.5
+  - pandas-gbq
   - psycopg2
-  - pyarrow<8
+  - pyarrow
   - pymysql
   - pyreadstat
   - pytables
diff --git a/ci/deps/actions-39.yaml b/ci/deps/actions-39.yaml
index 0eef001ce570f..3cce3bda3915c 100644
--- a/ci/deps/actions-39.yaml
+++ b/ci/deps/actions-39.yaml
@@ -11,7 +11,7 @@ dependencies:
   - pytest-xdist>=1.31
   - psutil
   - pytest-asyncio>=0.17
-  - boto3<1.24.3
+  - boto3
 
   # required dependencies
   - python-dateutil
@@ -35,10 +35,10 @@ dependencies:
   - numexpr
   - openpyxl
   - odfpy
-  - pandas-gbq<0.17.5
+  - pandas-gbq
   - psycopg2
   - pymysql
-  - pyarrow<8
+  - pyarrow
   - pyreadstat
   - pytables
   - python-snappy

From c632db43f2cddb341cbc342d788e9f3ae3defc42 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Sat, 18 Jun 2022 21:44:35 -0700
Subject: [PATCH 20/26] Skip plotting tests on windows

---
 pandas/tests/plotting/__init__.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pandas/tests/plotting/__init__.py b/pandas/tests/plotting/__init__.py
index e69de29bb2d1d..24979287a8d32 100644
--- a/pandas/tests/plotting/__init__.py
+++ b/pandas/tests/plotting/__init__.py
@@ -0,0 +1,10 @@
+import pytest
+
+from pandas.compat import (
+    is_ci_environment,
+    is_platform_windows,
+)
+
+pytestmark = pytest.mark.skipif(
+    is_platform_windows() and is_ci_environment(), reason="Causes pytest INTERNALERROR"
+)

From 0aca385818327e0a77b6985942347b57dea1282a Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Sat, 18 Jun 2022 22:39:07 -0700
Subject: [PATCH 21/26] Skip in frame as well

---
 pandas/tests/plotting/frame/__init__.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pandas/tests/plotting/frame/__init__.py b/pandas/tests/plotting/frame/__init__.py
index e69de29bb2d1d..24979287a8d32 100644
--- a/pandas/tests/plotting/frame/__init__.py
+++ b/pandas/tests/plotting/frame/__init__.py
@@ -0,0 +1,10 @@
+import pytest
+
+from pandas.compat import (
+    is_ci_environment,
+    is_platform_windows,
+)
+
+pytestmark = pytest.mark.skipif(
+    is_platform_windows() and is_ci_environment(), reason="Causes pytest INTERNALERROR"
+)

From 99fca718536abb7bc5e2b4bf266afa7ee54eacc0 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Sat, 18 Jun 2022 23:36:44 -0700
Subject: [PATCH 22/26] Trigger another run


From 4d621e379c645421e3b7cd6d6690133634db2a61 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Sun, 19 Jun 2022 11:19:58 -0700
Subject: [PATCH 23/26] Is it the non-nano?

---
 pandas/tests/scalar/timedelta/test_timedelta.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pandas/tests/scalar/timedelta/test_timedelta.py b/pandas/tests/scalar/timedelta/test_timedelta.py
index 99b3bbf0186bb..e46bb9e95755b 100644
--- a/pandas/tests/scalar/timedelta/test_timedelta.py
+++ b/pandas/tests/scalar/timedelta/test_timedelta.py
@@ -14,6 +14,10 @@
     iNaT,
 )
 from pandas._libs.tslibs.dtypes import NpyDatetimeUnit
+from pandas.compat import (
+    is_ci_environment,
+    is_platform_windows,
+)
 from pandas.errors import OutOfBoundsTimedelta
 
 import pandas as pd
@@ -26,6 +30,9 @@
 import pandas._testing as tm
 
 
+@pytest.mark.skipif(
+    is_platform_windows() and is_ci_environment(), reason="Causes pytest INTERNALERROR"
+)
 class TestAsUnit:
     def test_as_unit(self):
         td = Timedelta(days=1)
@@ -100,6 +107,9 @@ def test_as_unit_non_nano(self):
         assert res.total_seconds() == 86400
 
 
+@pytest.mark.skipif(
+    is_platform_windows() and is_ci_environment(), reason="Causes pytest INTERNALERROR"
+)
 class TestNonNano:
     @pytest.fixture(params=[7, 8, 9])
     def unit(self, request):

From 33679474113a366542262f7e02fe9baa2023dbc4 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Sun, 19 Jun 2022 13:18:28 -0700
Subject: [PATCH 24/26] skip resample tests

---
 pandas/tests/resample/__init__.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pandas/tests/resample/__init__.py b/pandas/tests/resample/__init__.py
index e69de29bb2d1d..24979287a8d32 100644
--- a/pandas/tests/resample/__init__.py
+++ b/pandas/tests/resample/__init__.py
@@ -0,0 +1,10 @@
+import pytest
+
+from pandas.compat import (
+    is_ci_environment,
+    is_platform_windows,
+)
+
+pytestmark = pytest.mark.skipif(
+    is_platform_windows() and is_ci_environment(), reason="Causes pytest INTERNALERROR"
+)

From 14ca6a4393cff2401b3336c821e1f494c44f7ef7 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Mon, 20 Jun 2022 22:14:59 -0700
Subject: [PATCH 25/26] Just use 1 thread for windows

---
 .github/actions/setup-conda/action.yml          | 14 +++++++-------
 .github/workflows/macos-windows.yml             |  3 ++-
 pandas/tests/plotting/__init__.py               | 10 ----------
 pandas/tests/plotting/frame/__init__.py         | 10 ----------
 pandas/tests/resample/__init__.py               | 10 ----------
 pandas/tests/scalar/timedelta/test_timedelta.py | 10 ----------
 6 files changed, 9 insertions(+), 48 deletions(-)

diff --git a/.github/actions/setup-conda/action.yml b/.github/actions/setup-conda/action.yml
index 71f1a14e8d07b..87a0bd2ed1715 100644
--- a/.github/actions/setup-conda/action.yml
+++ b/.github/actions/setup-conda/action.yml
@@ -15,13 +15,13 @@ inputs:
 runs:
   using: composite
   steps:
-#    - name: Set Arrow version in ${{ inputs.environment-file }} to ${{ inputs.pyarrow-version }}
-#      run: |
-#        grep -q '  - pyarrow' ${{ inputs.environment-file }}
-#        sed -i"" -e "s/  - pyarrow/  - pyarrow=${{ inputs.pyarrow-version }}/" ${{ inputs.environment-file }}
-#        cat ${{ inputs.environment-file }}
-#      shell: bash
-#      if: ${{ inputs.pyarrow-version }}
+    - name: Set Arrow version in ${{ inputs.environment-file }} to ${{ inputs.pyarrow-version }}
+      run: |
+        grep -q '  - pyarrow' ${{ inputs.environment-file }}
+        sed -i"" -e "s/  - pyarrow/  - pyarrow=${{ inputs.pyarrow-version }}/" ${{ inputs.environment-file }}
+        cat ${{ inputs.environment-file }}
+      shell: bash
+      if: ${{ inputs.pyarrow-version }}
 
     - name: Install ${{ inputs.environment-file }}
       uses: conda-incubator/setup-miniconda@v2.1.1
diff --git a/.github/workflows/macos-windows.yml b/.github/workflows/macos-windows.yml
index b1ea3379228ce..3d88ec4432de0 100644
--- a/.github/workflows/macos-windows.yml
+++ b/.github/workflows/macos-windows.yml
@@ -15,7 +15,6 @@ on:
 env:
   PANDAS_CI: 1
   PYTEST_TARGET: pandas
-  PYTEST_WORKERS: auto
   PATTERN: "not slow and not db and not network and not single_cpu"
 
 
@@ -36,6 +35,8 @@ jobs:
       # https://github.community/t/concurrecy-not-work-for-push/183068/7
       group: ${{ github.event_name == 'push' && github.run_number || github.ref }}-${{ matrix.env_file }}-${{ matrix.os }}
       cancel-in-progress: true
+    env:
+      PYTEST_WORKERS: ${{ matrix.os == 'macos-latest' && 'auto' || '1' }}
 
     steps:
     - name: Checkout
diff --git a/pandas/tests/plotting/__init__.py b/pandas/tests/plotting/__init__.py
index 24979287a8d32..e69de29bb2d1d 100644
--- a/pandas/tests/plotting/__init__.py
+++ b/pandas/tests/plotting/__init__.py
@@ -1,10 +0,0 @@
-import pytest
-
-from pandas.compat import (
-    is_ci_environment,
-    is_platform_windows,
-)
-
-pytestmark = pytest.mark.skipif(
-    is_platform_windows() and is_ci_environment(), reason="Causes pytest INTERNALERROR"
-)
diff --git a/pandas/tests/plotting/frame/__init__.py b/pandas/tests/plotting/frame/__init__.py
index 24979287a8d32..e69de29bb2d1d 100644
--- a/pandas/tests/plotting/frame/__init__.py
+++ b/pandas/tests/plotting/frame/__init__.py
@@ -1,10 +0,0 @@
-import pytest
-
-from pandas.compat import (
-    is_ci_environment,
-    is_platform_windows,
-)
-
-pytestmark = pytest.mark.skipif(
-    is_platform_windows() and is_ci_environment(), reason="Causes pytest INTERNALERROR"
-)
diff --git a/pandas/tests/resample/__init__.py b/pandas/tests/resample/__init__.py
index 24979287a8d32..e69de29bb2d1d 100644
--- a/pandas/tests/resample/__init__.py
+++ b/pandas/tests/resample/__init__.py
@@ -1,10 +0,0 @@
-import pytest
-
-from pandas.compat import (
-    is_ci_environment,
-    is_platform_windows,
-)
-
-pytestmark = pytest.mark.skipif(
-    is_platform_windows() and is_ci_environment(), reason="Causes pytest INTERNALERROR"
-)
diff --git a/pandas/tests/scalar/timedelta/test_timedelta.py b/pandas/tests/scalar/timedelta/test_timedelta.py
index e46bb9e95755b..99b3bbf0186bb 100644
--- a/pandas/tests/scalar/timedelta/test_timedelta.py
+++ b/pandas/tests/scalar/timedelta/test_timedelta.py
@@ -14,10 +14,6 @@
     iNaT,
 )
 from pandas._libs.tslibs.dtypes import NpyDatetimeUnit
-from pandas.compat import (
-    is_ci_environment,
-    is_platform_windows,
-)
 from pandas.errors import OutOfBoundsTimedelta
 
 import pandas as pd
@@ -30,9 +26,6 @@
 import pandas._testing as tm
 
 
-@pytest.mark.skipif(
-    is_platform_windows() and is_ci_environment(), reason="Causes pytest INTERNALERROR"
-)
 class TestAsUnit:
     def test_as_unit(self):
         td = Timedelta(days=1)
@@ -107,9 +100,6 @@ def test_as_unit_non_nano(self):
         assert res.total_seconds() == 86400
 
 
-@pytest.mark.skipif(
-    is_platform_windows() and is_ci_environment(), reason="Causes pytest INTERNALERROR"
-)
 class TestNonNano:
     @pytest.fixture(params=[7, 8, 9])
     def unit(self, request):

From 55dc2c2ee5fdfa7e7add5e69610912d07a2d48b5 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <emailformattr@gmail.com>
Date: Tue, 21 Jun 2022 00:25:45 -0700
Subject: [PATCH 26/26] Full run

---
 .github/workflows/32-bit-linux.yml        | 1 -
 .github/workflows/code-checks.yml         | 4 ----
 .github/workflows/docbuild-and-upload.yml | 1 -
 .github/workflows/macos-windows.yml       | 3 ++-
 .github/workflows/posix.yml               | 1 -
 ci/run_tests.sh                           | 2 +-
 6 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/.github/workflows/32-bit-linux.yml b/.github/workflows/32-bit-linux.yml
index 3f50a19860429..be894e6a5a63e 100644
--- a/.github/workflows/32-bit-linux.yml
+++ b/.github/workflows/32-bit-linux.yml
@@ -14,7 +14,6 @@ on:
 
 jobs:
   pytest:
-    if: false
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
diff --git a/.github/workflows/code-checks.yml b/.github/workflows/code-checks.yml
index ecbbf8be69340..96088547634c5 100644
--- a/.github/workflows/code-checks.yml
+++ b/.github/workflows/code-checks.yml
@@ -16,7 +16,6 @@ env:
 
 jobs:
   pre_commit:
-    if: false
     name: pre-commit
     runs-on: ubuntu-latest
     concurrency:
@@ -36,7 +35,6 @@ jobs:
       uses: pre-commit/action@v2.0.3
 
   typing_and_docstring_validation:
-    if: false
     name: Docstring and typing validation
     runs-on: ubuntu-latest
     defaults:
@@ -100,7 +98,6 @@ jobs:
       if: ${{ steps.build.outcome == 'success' }}
 
   asv-benchmarks:
-    if: false
     name: ASV Benchmarks
     runs-on: ubuntu-latest
     defaults:
@@ -138,7 +135,6 @@ jobs:
         asv run --quick --dry-run --strict --durations=30 --python=same
 
   build_docker_dev_environment:
-    if: false
     name: Build Docker Dev Environment
     runs-on: ubuntu-latest
     defaults:
diff --git a/.github/workflows/docbuild-and-upload.yml b/.github/workflows/docbuild-and-upload.yml
index cc01ca43f289c..5ffd4135802bd 100644
--- a/.github/workflows/docbuild-and-upload.yml
+++ b/.github/workflows/docbuild-and-upload.yml
@@ -16,7 +16,6 @@ env:
 
 jobs:
   web_and_docs:
-    if: false
     name: Doc Build and Upload
     runs-on: ubuntu-latest
 
diff --git a/.github/workflows/macos-windows.yml b/.github/workflows/macos-windows.yml
index 3d88ec4432de0..7052b770e2586 100644
--- a/.github/workflows/macos-windows.yml
+++ b/.github/workflows/macos-windows.yml
@@ -26,7 +26,7 @@ jobs:
     timeout-minutes: 90
     strategy:
       matrix:
-        os: [windows-latest]
+        os: [macos-latest, windows-latest]
         env_file: [actions-38.yaml, actions-39.yaml, actions-310.yaml]
       fail-fast: false
     runs-on: ${{ matrix.os }}
@@ -36,6 +36,7 @@ jobs:
       group: ${{ github.event_name == 'push' && github.run_number || github.ref }}-${{ matrix.env_file }}-${{ matrix.os }}
       cancel-in-progress: true
     env:
+      # GH 47443: PYTEST_WORKERS > 1 crashes Windows builds with memory related errors
       PYTEST_WORKERS: ${{ matrix.os == 'macos-latest' && 'auto' || '1' }}
 
     steps:
diff --git a/.github/workflows/posix.yml b/.github/workflows/posix.yml
index bf15f554eb239..831bbd8bb3233 100644
--- a/.github/workflows/posix.yml
+++ b/.github/workflows/posix.yml
@@ -17,7 +17,6 @@ env:
 
 jobs:
   pytest:
-    if: false
     runs-on: ubuntu-latest
     defaults:
       run:
diff --git a/ci/run_tests.sh b/ci/run_tests.sh
index 969d773d360a8..e6de5caf955fc 100755
--- a/ci/run_tests.sh
+++ b/ci/run_tests.sh
@@ -24,7 +24,7 @@ if [[ $(uname) == "Linux" && -z $DISPLAY ]]; then
     XVFB="xvfb-run "
 fi
 
-PYTEST_CMD="${XVFB}pytest -v --full-trace -r fEs -n $PYTEST_WORKERS --dist=loadfile $TEST_ARGS $COVERAGE $PYTEST_TARGET"
+PYTEST_CMD="${XVFB}pytest -r fEs -n $PYTEST_WORKERS --dist=loadfile $TEST_ARGS $COVERAGE $PYTEST_TARGET"
 
 if [[ "$PATTERN" ]]; then
   PYTEST_CMD="$PYTEST_CMD -m \"$PATTERN\""