Vladislav Pyatkov created IGNITE-15017:
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Summary: Contention in lock on Compound future
Key: IGNITE-15017
URL: https://issues.apache.org/jira/browse/IGNITE-15017
Project: Ignite
Issue Type: Improvement
Reporter: Vladislav Pyatkov
During analyze of JFR I noticed that the threads waiting long time on getting
compounds on the future.
It happened on an exclusive checkpoint phase and have a negative impact to
transactions (they increased to a hundred milliseconds).
This stack held the checkpoint workers:
{noformat}
org.apache.ignite.internal.util.future.GridCompoundFuture.futuresCount() line:
358 2 0,036 272 938 246
org.apache.ignite.internal.util.future.GridCompoundFuture.checkComplete()
line: 282 2 0,036 272 938 246
org.apache.ignite.internal.util.future.GridCompoundFuture.apply(IgniteInternalFuture)
line: 142 2 0,036 272 938 246
org.apache.ignite.internal.util.future.GridCompoundFuture.apply(Object) line:
43 2 0,036 272 938 246
org.apache.ignite.internal.util.future.GridFutureAdapter.notifyListener(IgniteInClosure)
line: 407 2 0,036 272 938 246
org.apache.ignite.internal.util.future.GridFutureAdapter.unblock(Object) line:
355 2 0,036 272 938 246
org.apache.ignite.internal.util.future.GridFutureAdapter.unblockAll(GridFutureAdapter$Node)
line: 343 2 0,036 272 938 246
org.apache.ignite.internal.util.future.GridFutureAdapter.onDone(Object,
Throwable, boolean) line: 520 2 0,036 272 938 246
org.apache.ignite.internal.util.future.GridFutureAdapter.onDone(Object,
Throwable) line: 498 2 0,036 272 938 246
org.apache.ignite.internal.util.future.GridFutureAdapter.onDone() line: 464 2
0,036 272 938 246
org.apache.ignite.internal.util.IgniteUtils.lambda$wrapIgniteFuture$3(Runnable,
GridFutureAdapter) line: 11730 2 0,036 272 938 246
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor$Worker)
line: 1149 2 0,036 272 938 246
java.util.concurrent.ThreadPoolExecutor$Worker.run() line: 624 2
0,036 272 938 246
java.lang.Thread.run() line: 748 2
0,036 272 938 246
{noformat}
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