diff --git a/src/common/helper.js b/src/common/helper.js
index f4a1aac2..45e4afe4 100644
--- a/src/common/helper.js
+++ b/src/common/helper.js
@@ -816,6 +816,7 @@ function setResHeaders (req, res, result) {
   res.set('X-Per-Page', result.perPage)
   res.set('X-Total', result.total)
   res.set('X-Total-Pages', totalPages)
+  res.set('X-Data-Source', result.fromDb ? 'database' : 'elasticsearch')
   // set Link header
   if (totalPages > 0) {
     let link = `<${getPageLink(req, 1)}>; rel="first", <${getPageLink(
diff --git a/src/services/InterviewService.js b/src/services/InterviewService.js
index a69a788c..3ddb1a3d 100644
--- a/src/services/InterviewService.js
+++ b/src/services/InterviewService.js
@@ -539,9 +539,10 @@ async function searchInterviews (currentUser, jobCandidateId, criteria) {
     limit: perPage,
     order: [[criteria.sortBy, criteria.sortOrder]]
   })
+  const total = await Interview.count({ where: filter })
   return {
     fromDb: true,
-    total: interviews.length,
+    total,
     page,
     perPage,
     result: _.map(interviews, interview => interview.dataValues)
diff --git a/src/services/JobCandidateService.js b/src/services/JobCandidateService.js
index 9a152c49..1f283512 100644
--- a/src/services/JobCandidateService.js
+++ b/src/services/JobCandidateService.js
@@ -316,9 +316,10 @@ async function searchJobCandidates (currentUser, criteria) {
     limit: perPage,
     order: [[criteria.sortBy, criteria.sortOrder]]
   })
+  const total = await JobCandidate.count({ where: filter })
   return {
     fromDb: true,
-    total: jobCandidates.length,
+    total,
     page,
     perPage,
     result: _.map(jobCandidates, jobCandidate => _.omit(jobCandidate.dataValues, omitList))
diff --git a/src/services/JobService.js b/src/services/JobService.js
index 7291070b..06e3b67c 100644
--- a/src/services/JobService.js
+++ b/src/services/JobService.js
@@ -532,9 +532,10 @@ async function searchJobs (currentUser, criteria, options = { returnAll: false }
       required: false
     }]
   })
+  const total = await Job.count({ where: filter })
   return {
     fromDb: true,
-    total: jobs.length,
+    total,
     page,
     perPage,
     result: _.map(jobs, job => job.dataValues)
diff --git a/src/services/WorkPeriodPaymentService.js b/src/services/WorkPeriodPaymentService.js
index 80299628..38582f41 100644
--- a/src/services/WorkPeriodPaymentService.js
+++ b/src/services/WorkPeriodPaymentService.js
@@ -381,9 +381,10 @@ async function searchWorkPeriodPayments (currentUser, criteria, options = { retu
     limit: perPage,
     order: [[criteria.sortBy, criteria.sortOrder]]
   })
+  const total = await WorkPeriodPayment.count({ where: filter })
   return {
     fromDb: true,
-    total: workPeriodPayments.length,
+    total,
     page,
     perPage,
     result: workPeriodPayments
diff --git a/src/services/WorkPeriodService.js b/src/services/WorkPeriodService.js
index 9e555b90..648d2477 100644
--- a/src/services/WorkPeriodService.js
+++ b/src/services/WorkPeriodService.js
@@ -520,9 +520,10 @@ async function searchWorkPeriods (currentUser, criteria, options = { returnAll:
     }]
   }
   const workPeriods = await WorkPeriod.findAll(queryCriteria)
+  const total = await WorkPeriod.count({ where: filter })
   return {
     fromDb: true,
-    total: workPeriods.length,
+    total,
     page,
     perPage,
     result: workPeriods