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https://issues.apache.org/jira/browse/CASSANDRA-19471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17827464#comment-17827464
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Brandon Williams edited comment on CASSANDRA-19471 at 3/15/24 10:39 AM:
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The IAE seems to be caused by the segment size being set to 1MB, at 2MB it
hasn't occurred but we still write the commitlog when we shouldn't and fail.
was (Author: brandon.williams):
The IAE seems to be caused by the segment size being set to 1MB, at 2MB it
doesn't hasn't occurred but we still write the commitlog when we shouldn't and
fail.
> Commitlog with direct io fails test_change_durable_writes
> ---------------------------------------------------------
>
> Key: CASSANDRA-19471
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19471
> Project: Cassandra
> Issue Type: Bug
> Components: Local/Commit Log
> Reporter: Brandon Williams
> Priority: Normal
> Fix For: 5.0-rc, 5.x
>
>
> With the commitlog_disk_access_mode set to direct, and the improved
> configuration_test.py::TestConfiguration::test_change_durable_writes from
> CASSANDRA-19465, this fails with either:
> {noformat}
> AssertionError: Commitlog was written with durable writes disabled
> {noformat}
> Or what appears to be the original exception reported in CASSANDRA-19465:
> {noformat}
> node1: ERROR [PERIODIC-COMMIT-LOG-SYNCER] 2024-03-14 17:16:08,465
> StorageService.java:631 - Stopping native transport
> node1: ERROR [MutationStage-5] 2024-03-14 17:16:08,465
> StorageProxy.java:1670 - Failed to apply mutation locally :
> java.lang.IllegalArgumentException: newPosition > limit: (1048634 > 1048576)
> at java.base/java.nio.Buffer.createPositionException(Buffer.java:341)
> at java.base/java.nio.Buffer.position(Buffer.java:316)
> at java.base/java.nio.ByteBuffer.position(ByteBuffer.java:1516)
> at
> java.base/java.nio.MappedByteBuffer.position(MappedByteBuffer.java:321)
> at
> java.base/java.nio.MappedByteBuffer.position(MappedByteBuffer.java:73)
> at
> org.apache.cassandra.db.commitlog.CommitLogSegment.allocate(CommitLogSegment.java:216)
> at
> org.apache.cassandra.db.commitlog.CommitLogSegmentManagerStandard.allocate(CommitLogSegmentManagerStandard.java:52)
> at org.apache.cassandra.db.commitlog.CommitLog.add(CommitLog.java:307)
> at
> org.apache.cassandra.db.CassandraKeyspaceWriteHandler.addToCommitLog(CassandraKeyspaceWriteHandler.java:99)
> at
> org.apache.cassandra.db.CassandraKeyspaceWriteHandler.beginWrite(CassandraKeyspaceWriteHandler.java:53)
> at org.apache.cassandra.db.Keyspace.applyInternal(Keyspace.java:612)
> at org.apache.cassandra.db.Keyspace.apply(Keyspace.java:497)
> at org.apache.cassandra.db.Mutation.apply(Mutation.java:244)
> at org.apache.cassandra.db.Mutation.apply(Mutation.java:264)
> at
> org.apache.cassandra.service.StorageProxy$4.runMayThrow(StorageProxy.java:1664)
> at
> org.apache.cassandra.service.StorageProxy$LocalMutationRunnable.run(StorageProxy.java:2624)
> at
> org.apache.cassandra.concurrent.ExecutionFailure$2.run(ExecutionFailure.java:163)
> at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:143)
> at
> io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
> at java.base/java.lang.Thread.run(Thread.java:833)
> node1: ERROR [PERIODIC-COMMIT-LOG-SYNCER] 2024-03-14 17:16:08,470
> StorageService.java:636 - Stopping gossiper
> {noformat}
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