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PMM-10278 postgres_exporter integration tests (#71)
PMM-10278 add compatibility tests for exporter upgrade
1 parent d5e6046 commit a6e78dc

17 files changed

+1431
-3
lines changed

‎.gitignore

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@@ -20,3 +20,9 @@
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/.metrics.*.removed
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/tools/src
2222
/vendor
23+
/percona_tests/assets/postgres_exporter
24+
/percona_tests/assets/postgres_exporter_percona
25+
/percona_tests/assets/metrics.new.txt
26+
/percona_tests/assets/metrics.old.txt
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/percona_tests/assets/metrics.names.new.txt
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/percona_tests/assets/metrics.names.old.txt

‎go.mod

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@@ -6,11 +6,15 @@ require (
66
github.com/blang/semver v3.5.1+incompatible
77
github.com/go-kit/log v0.2.0
88
github.com/lib/pq v1.10.4
9+
github.com/montanaflynn/stats v0.6.6
10+
github.com/pkg/errors v0.9.1
911
github.com/prometheus/client_golang v1.12.1
1012
github.com/prometheus/client_model v0.2.0
1113
github.com/prometheus/common v0.32.1
1214
github.com/prometheus/exporter-toolkit v0.7.1
1315
github.com/stretchr/testify v1.4.0
16+
github.com/tklauser/go-sysconf v0.3.10
17+
golang.org/x/sys v0.0.0-20220128215802-99c3d69c2c27
1418
gopkg.in/alecthomas/kingpin.v2 v2.2.6
1519
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c
1620
gopkg.in/yaml.v2 v2.4.0
@@ -29,13 +33,12 @@ require (
2933
github.com/kr/text v0.1.0 // indirect
3034
github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
3135
github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f // indirect
32-
github.com/pkg/errors v0.9.1 // indirect
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github.com/pmezard/go-difflib v1.0.0 // indirect
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github.com/prometheus/procfs v0.7.3 // indirect
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github.com/tklauser/numcpus v0.4.0 // indirect
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golang.org/x/crypto v0.0.0-20210616213533-5ff15b29337e // indirect
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golang.org/x/net v0.0.0-20210525063256-abc453219eb5 // indirect
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golang.org/x/oauth2 v0.0.0-20210514164344-f6687ab2804c // indirect
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golang.org/x/sys v0.0.0-20220114195835-da31bd327af9 // indirect
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golang.org/x/text v0.3.6 // indirect
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google.golang.org/appengine v1.6.6 // indirect
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google.golang.org/protobuf v1.26.0 // indirect

‎go.sum

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@@ -162,6 +162,8 @@ github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJ
162162
github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
163163
github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
164164
github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
165+
github.com/montanaflynn/stats v0.6.6 h1:Duep6KMIDpY4Yo11iFsvyqJDyfzLF9+sndUKT+v64GQ=
166+
github.com/montanaflynn/stats v0.6.6/go.mod h1:etXPPgVO6n31NxCd9KQUMvCM+ve0ruNzt6R8Bnaayow=
165167
github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
166168
github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f h1:KUppIJq7/+SVif2QVs3tOP0zanoHgBEVAwHxUSIzRqU=
167169
github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
@@ -206,6 +208,10 @@ github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXf
206208
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
207209
github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
208210
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
211+
github.com/tklauser/go-sysconf v0.3.10 h1:IJ1AZGZRWbY8T5Vfk04D9WOA5WSejdflXxP03OUqALw=
212+
github.com/tklauser/go-sysconf v0.3.10/go.mod h1:C8XykCvCb+Gn0oNCWPIlcb0RuglQTYaQ2hGm7jmxEFk=
213+
github.com/tklauser/numcpus v0.4.0 h1:E53Dm1HjH1/R2/aoCtXtPgzmElmn51aOkhCFSuZq//o=
214+
github.com/tklauser/numcpus v0.4.0/go.mod h1:1+UI3pD8NW14VMwdgJNJ1ESk2UnwhAnz5hMwiKKqXCQ=
209215
github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
210216
github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
211217
github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
@@ -335,8 +341,9 @@ golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7w
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golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
336342
golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
338-
golang.org/x/sys v0.0.0-20220114195835-da31bd327af9 h1:XfKQ4OlFl8okEOr5UvAqFRVj8pY/4yfcXrddB8qAbU0=
339344
golang.org/x/sys v0.0.0-20220114195835-da31bd327af9/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
345+
golang.org/x/sys v0.0.0-20220128215802-99c3d69c2c27 h1:XDXtA5hveEEV8JB2l7nhMTp3t3cHp9ZpwcdjqyEWLlo=
346+
golang.org/x/sys v0.0.0-20220128215802-99c3d69c2c27/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
340347
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
341348
golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
342349
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=

‎percona_tests/Makefile

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#########################
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### tests
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# measures avg scrape time and compares old vs new exporters
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test-performance:
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go test -v -run '^TestPerformance$$' -args -doRun=true
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extraMetrics = false
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multipleLabels = false
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dumpMetrics = false
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test-metrics:
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go test -v -run '^TestMissingMetrics$$' -args -doRun=true
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test-labels:
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go test -v -run '^TestMissingLabels$$' -args -doRun=true
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test-resolutions-duplicates:
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go test -v -run '^TestResolutionsMetricDuplicates$$' -args -doRun=true
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test-resolutions:
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go test -v -run '^TestResolutions$$' -args -doRun=true
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dump-metrics:
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go test -v -run '^TestDumpMetrics$$' -args -doRun=true -extraMetrics=$(extraMetrics) -multipleLabels=$(multipleLabels) -dumpMetrics=$(dumpMetrics)
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test-consistency: test-metrics test-resolutions test-resolutions-duplicates
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#########################
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### env preparation
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# download exporter from provided feature build's client binary url
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prepare-exporter-from-fb:
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go test -v -run '^TestPrepareUpdatedExporter$\' -args -doRun=true -url=$(url)
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prepare-exporter-from-repo:
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make -C ../ build && cp ../postgres_exporter assets/postgres_exporter
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prepare-base-exporter:
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tar -xf assets/postgres_exporter_percona.tar.xz -C assets/
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start-postgres-db:
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docker-compose -f assets/postgres-compose.yml up -d --force-recreate --renew-anon-volumes --remove-orphans
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stop-postgres-db:
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docker-compose -f assets/postgres-compose.yml down
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prepare-env-from-repo: prepare-exporter-from-repo prepare-base-exporter start-postgres-db

‎percona_tests/assets/postgres-compose.yml

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---
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version: '3.7'
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services:
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postgres:
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image: ${POSTGRES_IMAGE:-postgres:11}
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container_name: postgres-test-srv
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command: >
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-c shared_preload_libraries='${PG_PRELOADED_LIBS:-pg_stat_statements}'
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-c track_activity_query_size=2048
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-c pg_stat_statements.max=10000
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-c pg_stat_monitor.pgsm_query_max_len=10000
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-c pg_stat_statements.track=all
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-c pg_stat_statements.save=off
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-c track_io_timing=on
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ports:
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- "127.0.0.1:5432:5432"
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environment:
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- POSTGRES_USER=postgres
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- POSTGRES_PASSWORD=postgres
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volumes:
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- postgres-test-srv-vol:/docker-entrypoint-initdb.d/
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networks:
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- postgres-test-srv-net
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volumes:
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postgres-test-srv-vol:
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networks:
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postgres-test-srv-net:

‎percona_tests/assets/postgres_exporter_percona.tar.xz

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‎percona_tests/assets/test.exporter-flags.txt

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--auto-discover-databases
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--collect.custom_query.hr
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--collect.custom_query.lr
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--collect.custom_query.mr
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--exclude-databases=template0,template1,postgres,cloudsqladmin,pmm-managed-dev,azure_maintenance
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--log.level=warn

‎percona_tests/custom-queries/high-resolution/example-queries-postgres.yml

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## ######################################################
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## WARNING: This is an example. Do not edit this file.
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## To create your own Custom Queries - create a new file
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## ######################################################
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## Custom query example.
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#pg_replication:
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# query: "SELECT EXTRACT(EPOCH FROM (now() - pg_last_xact_replay_timestamp())) as lag"
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# metrics:
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# - lag:
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# usage: "GAUGE"
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# description: "Replication lag behind master in seconds"

‎percona_tests/custom-queries/high-resolution/queries-postgres-uptime.yml

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pg_postmaster_uptime:
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query: "select extract(epoch from current_timestamp - pg_postmaster_start_time()) as seconds"
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master: true
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metrics:
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- seconds:
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usage: "GAUGE"
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description: "Service uptime"

‎percona_tests/custom-queries/low-resolution/example-queries-postgres.yml

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## ######################################################
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## WARNING: This is an example. Do not edit this file.
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## To create your own Custom Queries - create a new file
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## ######################################################
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## Custom query example.
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#pg_replication:
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# query: "SELECT EXTRACT(EPOCH FROM (now() - pg_last_xact_replay_timestamp())) as lag"
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# metrics:
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# - lag:
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# usage: "GAUGE"
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# description: "Replication lag behind master in seconds"

‎percona_tests/custom-queries/medium-resolution/example-queries-postgres.yml

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## ######################################################
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## WARNING: This is an example. Do not edit this file.
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## To create your own Custom Queries - create a new file
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## ######################################################
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## Custom query example.
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#pg_replication:
7+
# query: "SELECT EXTRACT(EPOCH FROM (now() - pg_last_xact_replay_timestamp())) as lag"
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# metrics:
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# - lag:
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# usage: "GAUGE"
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# description: "Replication lag behind master in seconds"

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