wangzhaohui created HDFS-14674:
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Summary: Got an unexpected txid when tail editlog
Key: HDFS-14674
URL: https://issues.apache.org/jira/browse/HDFS-14674
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: wangzhaohui
Attachments: image-2019-07-26-11-34-23-405.png
Add the following configuration
!image-2019-07-26-11-34-23-405.png!
error:
{code:java}
//代码占位符
[2019-07-17T11:50:21.048+08:00] [INFO] [Edit log tailer] : replaying edit log:
1/20512836 transactions completed. (0%) [2019-07-17T11:50:21.059+08:00] [INFO]
[Edit log tailer] : Edits file
http://ip/getJournal?jid=ns1003&segmentTxId=232056426162&storageInfo=-63%3A1902204348%3A0%3ACID-hope-20180214-20161018-SQYH,
http://ip/getJournal?ipjid=ns1003&segmentTxId=232056426162&storageInfo=-63%3A1902204348%3A0%3ACID-hope-20180214-20161018-SQYH,
http://ip/getJournal?ipjid=ns1003&segmentTxId=232056426162&storageInfo=-63%3A1902204348%3A0%3ACID-hope-20180214-20161018-SQYH
of size 3126782311 edits # 500 loaded in 3 seconds
[2019-07-17T11:50:21.059+08:00] [INFO] [Edit log tailer] : Reading
org.apache.hadoop.hdfs.server.namenode.RedundantEditLogInputStream@51ceb7bc
expecting start txid #232056752162 [2019-07-17T11:50:21.059+08:00] [INFO] [Edit
log tailer] : Start loading edits file
http://ip/getJournal?ipjid=ns1003&segmentTxId=232077264498&storageInfo=-63%3A1902204348%3A0%3ACID-hope-20180214-20161018-SQYH,
http://ip/getJournal?ipjid=ns1003&segmentTxId=232077264498&storageInfo=-63%3A1902204348%3A0%3ACID-hope-20180214-20161018-SQYH,
http://ip/getJournal?ipjid=ns1003&segmentTxId=232077264498&storageInfo=-63%3A1902204348%3A0%3ACID-hope-20180214-20161018-SQYH
maxTxnipsToRead = 500 [2019-07-17T11:50:21.059+08:00] [INFO] [Edit log tailer]
: Fast-forwarding stream
'http://ip/getJournal?jid=ns1003&segmentTxId=232077264498&storageInfo=-63%3A1902204348%3A0%3ACID-hope-20180214-20161018-SQYH,
http://ip/getJournal?ipjid=ns1003&segmentTxId=232077264498&storageInfo=-63%3A1902204348%3A0%3ACID-hope-20180214-20161018-SQYH,
http://ip/getJournal?ipjid=ns1003&segmentTxId=232077264498&storageInfo=-63%3A1902204348%3A0%3ACID-hope-20180214-20161018-SQYH'
to transaction ID 232056751662 [2019-07-17T11:50:21.059+08:00] [INFO] [Edit
log tailer] ip: Fast-forwarding stream
'http://ip/getJournal?jid=ns1003&segmentTxId=232077264498&storageInfo=-63%3A1902204348%3A0%3ACID-hope-20180214-20161018-SQYH'
to transaction ID 232056751662 [2019-07-17T11:50:21.061+08:00] [ERROR] [Edit
log tailer] : Unknown error encountered while tailing edits. Shutting down
standby NN. java.io.IOException: There appears to be a gap in the edit log. We
expected txid 232056752162, but got txid 232077264498. at
org.apache.hadoop.hdfs.server.namenode.MetaRecoveryContext.editLogLoaderPrompt(MetaRecoveryContext.java:94)
at
org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadEditRecords(FSEditLogLoader.java:239)
at
org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadFSEdits(FSEditLogLoader.java:161)
at org.apache.hadoop.hdfs.server.namenode.FSImage.loadEdits(FSImage.java:895)
at
org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer.doTailEdits(EditLogTailer.java:321)
at
org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.doWork(EditLogTailer.java:460)
at
org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.access$400(EditLogTailer.java:410)
at
org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread$1.run(EditLogTailer.java:427)
at
org.apache.hadoop.security.SecurityUtil.doAsLoginUserOrFatal(SecurityUtil.java:414)
at
org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.run(EditLogTailer.java:423)
[2019-07-17T11:50:21.064+08:00] [INFO] [Edit log tailer] : Exiting with status
1 [2019-07-17T11:50:21.066+08:00] [INFO] [Thread-1] : SHUTDOWN_MSG:
/************************************************************ SHUTDOWN_MSG:
Shutting down NameNode at ip
************************************************************/
{code}
if dfs.ha.tail-edits.max-txns-per-lock value is 500,when the namenode load the
editlog util 500,the current namenode will load the next editlog,but editlog
more than 500.So,namenode got an unexpected txid when tail editlog.
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