Script[s] to detect memory leaks in Gradle tests

[alex-kuzmin-hg]

No description provided.

[alex-kuzmin-hg]

Problem:

> Task :test-clients:test
 JUnit Jupiter ✘ executionError

  org.junit.platform.commons.JUnitException: TestEngine with ID 'junit-jupiter' failed to execute tests

  Caused by: org.junit.platform.commons.JUnitException: Error executing tests for engine junit-jupiter

  Caused by: java.util.concurrent.ExecutionException: java.lang.OutOfMemoryError

  Caused by: java.lang.OutOfMemoryError

  Caused by: java.lang.OutOfMemoryError: Java heap space



  INFO StatusConsoleListener The nolookups option will be ignored. Message Lookups are no longer supported.
  INFO StatusConsoleListener The nolookups option will be ignored. Message Lookups are no longer supported.
  2024-10-10 02:44:38.538 INFO  84  ConfigProviderBase - Properties file data/config/genesis.properties does not exist and won't be used as configuration source
  2024-10-10 02:44:38.540 INFO  84  ConfigProviderBase - Properties file data/config/application.properties does not exist and won't be used as configuration source


 2330 passing (2h 25m)
 1 pending
 6 failing


2337 tests completed, 6 failed, 1 skipped

> Task :test-clients:test FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':test-clients:test'.
> There were failing tests. See the report at: file:///home/alex.kuzmin/workspaces/hedera-services-anthony-14970/hedera-services/hedera-node/test-clients/build/reports/tests/test/index.html

BUILD FAILED in 2h 25m 47s
182 actionable tasks: 1 executed, 181 up-to-date

[alex-kuzmin-hg]

Scripted the following:

1. added to hedera-node/test-clients/build.gradle.kts
   jvmArgs("-XX:ActiveProcessorCount=6","-XX:+ExitOnOutOfMemoryError","-XX:+HeapDumpOnOutOfMemoryError","-XX:OnOutOfMemoryError="/home/alex.kuzmin/heapAndQuit.sh"")
2. /home/alex.kuzmin/heapAndQuit.sh - to report 'lsof' of this Java process