Test sudo sysctl vm.overcommit_memory=1

.github/workflows/test.yml

@@ -7,19 +7,34 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [macos-latest, ubuntu-latest]
+        # os: [macos-latest, ubuntu-latest]
+        os: [ubuntu-latest]
         test_script: [
-          mongodb-4.4.10.sh,
-          mongodb-5.0.3.sh,
-          mysql-5.7.31.sh,
-          mysql-8.0.30.sh,
-          postgresql-12.4.sh,
-          postgresql-13.2.sh,
-          redis-6.2.14.sh,
+          # mongodb-4.4.10.sh,
+          # mongodb-5.0.3.sh,
+          # mysql-5.7.31.sh,
+          # mysql-8.0.30.sh,
+          # postgresql-12.4.sh,
+          # postgresql-13.2.sh,
+          # redis-6.2.14.sh,
           redis-7.2.5.sh
         ]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
+
+      # WARNING Memory overcommit must be enabled! Without it,
+      # a background save or replication may fail under low memory condition. Being disabled,
+      # it can also cause failures without low memory condition,
+      # see https://github.com/jemalloc/jemalloc/issues/1328.
+      # To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect.
+      - name: Enable memory overcommit
+        run: |
+          sudo sysctl vm.overcommit_memory=1
+
+      - name: Run test
+        run: |
+          cd tests
+
       - name: Run test
         run: |
           cd tests