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Signed-off-by: Tyler Smalley <tyler.smalley@elastic.co>
elastic · Oct 19, 2021 · 9fb0aff · 9fb0aff
1 parent 1a5570b
commit 9fb0aff
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Showing 3 changed files with 18 additions and 2 deletions.
diff --git a/.buildkite/pipelines/pull_request/base.yml b/.buildkite/pipelines/pull_request/base.yml
@@ -133,6 +133,7 @@ steps:
 
   - command: .buildkite/scripts/steps/test/jest.sh
     label: 'Jest Tests'
+    pallelism: 4
     agents:
       queue: c2-16
     timeout_in_minutes: 120

diff --git a/.buildkite/scripts/steps/test/jest.sh b/.buildkite/scripts/steps/test/jest.sh
@@ -9,5 +9,5 @@ is_test_execution_step
 .buildkite/scripts/bootstrap.sh
 
 echo '--- Jest'
-checks-reporter-with-killswitch "Jest Unit Tests" \
-  node scripts/jest --ci --verbose --maxWorkers=10
+checks-reporter-with-killswitch "Jest Unit Tests $((BUILDKITE_PARALLEL_JOB+1))}" \
+  .buildkite/scripts/steps/test/jest_parallel.sh
diff --git a/.buildkite/scripts/steps/test/jest_parallel.sh b/.buildkite/scripts/steps/test/jest_parallel.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+JOB=$BUILDKITE_PARALLEL_JOB
+JOB_COUNT=$BUILDKITE_PARALLEL_JOB_COUNT
+
+i=0
+
+find src x-pack packages -name jest.config.js | while read config; do
+  if !(($i % $JOB_COUNT == $JOB)); then
+    echo "--- running $config"
+    node --expose-gc ./node_modules/.bin/jest --config $config --runInBand --logHeapUsage
+  fi
+
+  ((i=i+1))
+done