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Posted to issues@kudu.apache.org by "zhangsong (JIRA)" <ji...@apache.org> on 2016/08/22 08:55:21 UTC
[jira] [Commented] (KUDU-1573) In corner cases , tablet could not
recovery successfully from node crash.
[ https://issues.apache.org/jira/browse/KUDU-1573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15430345#comment-15430345 ]
zhangsong commented on KUDU-1573:
---------------------------------
before log message in description, there are logs:
Log segment file Log segment file /export/servers/kudu/tserver_wal_data_7052/wals/ed0d8b3a835e4c27afe695252ad0b8f5.recove
ry/wal-000000018 has 12 initial NULL bytes instead of magic and header length: \x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00 and will be treated a
s a blank segment.
W0819 14:16:07.722328 20997 log_util.cc:311] Could not read footer for segment: /export/servers/kudu/tserver_wal_data_7052/wals/ed0d8b3a835e4c27afe69
5252ad0b8f5.recovery/wal-000000018: Not found: Footer not found. Footer magic doesn't match
I0819 14:16:07.722486 20997 log_reader.cc:152] Log segment /export/servers/kudu/tserver_wal_data_7052/wals/ed0d8b3a835e4c27afe695252ad0b8f5.recovery/
wal-000000018 was likely left in-progress after a previous crash. Will try to rebuild footer by scanning data.
I0819 14:16:07.722496 20997 log_util.cc:359] Successfully rebuilt footer for segment: /export/servers/kudu/tserver_wal_data_7052/wals/ed0d8b3a835e4c2
7afe695252ad0b8f5.recovery/wal-000000018 (valid entries through byte offset 13896955103899491)
> In corner cases , tablet could not recovery successfully from node crash.
> ---------------------------------------------------------------------------
>
> Key: KUDU-1573
> URL: https://issues.apache.org/jira/browse/KUDU-1573
> Project: Kudu
> Issue Type: Bug
> Reporter: zhangsong
>
> Last friday ,one of nodes of my kudu cluster crashed and , tablet can not recovery successfully after restart kudu-tserver, i observed error messages from log:
> (TABLET_DATA_READY): Corruption: Could not open LogReader. Reason: Unable to initialize log reader: Segment sequence numbers are not consecutive. Previous segment: seqno 0, path /export/servers/kudu/tserver_wal_data_7052/wals/ed0d8b3a835e4c27afe695252ad0b8f5.recovery/wal-000000018; Current segment: seqno 17, path /export/servers/kudu/tserver_wal_data_7052/wals/ed0d8b3a835e4c27afe695252ad0b8f5.recovery/wal-000000017
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