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https://issues.apache.org/jira/browse/IGNITE-17456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17577885#comment-17577885
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Ignite TC Bot commented on IGNITE-17456:
----------------------------------------
{panel:title=Branch: [pull/10183/head] Base: [master] : No blockers
found!|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}{panel}
{panel:title=Branch: [pull/10183/head] Base: [master] : New Tests
(2)|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}
{color:#00008b}PDS 5{color} [[tests
2|https://ci2.ignite.apache.org/viewLog.html?buildId=6553323]]
* {color:#013220}IgnitePdsTestSuite5:
WalCompactionNotificationsTest.testNotificationsEmptyArchive - PASSED{color}
* {color:#013220}IgnitePdsTestSuite5:
WalCompactionNotificationsTest.testNotificationsUnlimitedWal - PASSED{color}
{panel}
[TeamCity *--> Run :: All*
Results|https://ci2.ignite.apache.org/viewLog.html?buildId=6552900&buildTypeId=IgniteTests24Java8_RunAll]
> After node restart, there are duplicate messages about WAL segment
> compression.
> -------------------------------------------------------------------------------
>
> Key: IGNITE-17456
> URL: https://issues.apache.org/jira/browse/IGNITE-17456
> Project: Ignite
> Issue Type: Bug
> Reporter: Pavel Pereslegin
> Assignee: Pavel Pereslegin
> Priority: Minor
> Labels: ise
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> If you enable compression of WAL segments and at the same time set the WAL
> archive size too small, then compression will not actually occur, but after
> each node restart, "fake" notifications about segment compression are
> sequentially written to the log from the beginning (see log example below).
> {noformat}
> [2022-08-02T14:46:33,757][INFO
> ][test-runner-#1%wal.WalCompactionAfterRestartTest%][FileWriteAheadLogManager]
> Resolved write ahead log work directory:
> /home/xtern/src/java/ignite/work/db/wal/node00-63fb6fa2-fcea-42aa-a3c8-b36cd330ba7c
> [2022-08-02T14:46:33,757][INFO
> ][test-runner-#1%wal.WalCompactionAfterRestartTest%][FileWriteAheadLogManager]
> Resolved write ahead log archive directory:
> /home/xtern/src/java/ignite/work/db/wal/archive/node00-63fb6fa2-fcea-42aa-a3c8-b36cd330ba7c
> [2022-08-02T14:46:33,759][INFO
> ][test-runner-#1%wal.WalCompactionAfterRestartTest%][FileWriteAheadLogManager]
> Enqueuing segment for compression [idx=0]
> [2022-08-02T14:46:33,759][INFO
> ][test-runner-#1%wal.WalCompactionAfterRestartTest%][FileWriteAheadLogManager]
> Enqueuing segment for compression [idx=1]
> [2022-08-02T14:46:33,759][INFO
> ][test-runner-#1%wal.WalCompactionAfterRestartTest%][FileWriteAheadLogManager]
> Enqueuing segment for compression [idx=2]
> [2022-08-02T14:46:33,759][INFO
> ][test-runner-#1%wal.WalCompactionAfterRestartTest%][FileWriteAheadLogManager]
> Enqueuing segment for compression [idx=3]
> ...
> [2022-08-02T14:46:33,761][INFO
> ][test-runner-#1%wal.WalCompactionAfterRestartTest%][FileWriteAheadLogManager]
> Enqueuing segment for compression [idx=49]
> [2022-08-02T14:46:33,761][INFO
> ][test-runner-#1%wal.WalCompactionAfterRestartTest%][FileHandleManagerImpl]
> Initialized write-ahead log manager [mode=LOG_ONLY]
> ...
> [2022-08-02T14:46:34,084][INFO
> ][wal-file-compressor-%wal.WalCompactionAfterRestartTest0%-1-#133%wal.WalCompactionAfterRestartTest0%][FileWriteAheadLogManager]
> Segment compressed notification [idx=0]
> [2022-08-02T14:46:34,084][INFO
> ][wal-file-compressor-%wal.WalCompactionAfterRestartTest0%-0-#131%wal.WalCompactionAfterRestartTest0%][FileWriteAheadLogManager]
> Segment compressed notification [idx=1]
> [2022-08-02T14:46:34,084][INFO
> ][wal-file-compressor-%wal.WalCompactionAfterRestartTest0%-0-#131%wal.WalCompactionAfterRestartTest0%][FileWriteAheadLogManager]
> Segment compressed notification [idx=2]
> [2022-08-02T14:46:34,084][INFO
> ][wal-file-compressor-%wal.WalCompactionAfterRestartTest0%-0-#131%wal.WalCompactionAfterRestartTest0%][FileWriteAheadLogManager]
> Segment compressed notification [idx=3]
> ...
> [2022-08-02T14:46:34,092][INFO
> ][wal-file-compressor-%wal.WalCompactionAfterRestartTest0%-0-#131%wal.WalCompactionAfterRestartTest0%][FileWriteAheadLogManager]
> Segment compressed notification [idx=49]
> [2022-08-02T14:46:34,093][INFO
> ][exchange-worker-#127%wal.WalCompactionAfterRestartTest0%][GridCacheProcessor]
> Finished recovery for cache [cache=ignite-sys-cache, grp=ignite-sys-cache,
> startVer=AffinityTopologyVersion [topVer=1, minorTopVer=1]]
> {noformat}
> Reproducer:
> {code:java}
> private final ListeningTestLogger logger = new ListeningTestLogger(log);
> /** {@inheritDoc} */
> @Override protected IgniteConfiguration getConfiguration(String name)
> throws Exception {
> return super.getConfiguration(name)
> .setGridLogger(logger)
> .setDataStorageConfiguration(new DataStorageConfiguration()
> .setDefaultDataRegionConfiguration(new
> DataRegionConfiguration()
> .setPersistenceEnabled(true))
> .setWalSegmentSize(512 * 1024)
> .setMaxWalArchiveSize(512 * 1024)
> .setWalCompactionEnabled(true)
> );
> }
> @Test
> public void testCompactionDuplicationNotificationsOnRestart() throws
> Exception {
> String msg = "Segment compressed notification [idx=0]";
> LogListener exactOnceMsg = LogListener.matches(msg).times(1).build();
> LogListener duplicationMsgCheck =
> LogListener.matches(msg).times(0).build();
> logger.registerListener(exactOnceMsg);
> IgniteEx ignite = startGrid(0);
> ignite.cluster().state(ClusterState.ACTIVE);
> for (int i = 0; i < 1_000; i++)
> ignite.getOrCreateCache(DEFAULT_CACHE_NAME).put(i, i);
>
> assertTrue(ignite.context().cache().context().wal().lastCompactedSegment() >
> 0);
> assertTrue(exactOnceMsg.check());
> // Restart grid.
> stopGrid(0);
> logger.registerListener(duplicationMsgCheck);
> ignite = startGrid(0);
> ignite.cluster().state(ClusterState.ACTIVE);
> assertTrue("Duplicate notification present after restart.",
> duplicationMsgCheck.check());
> }
> {code}
> This happens because we don't update {{lastEnqueuedToCompressIdx}} in
> {{initAlreadyCompressedSegments}} when there are no zip files in the wal
> archive.
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