[jira] [Updated] (HBASE-4862) Split hlog and open region concurrently happend may cause data loss
[ https://issues.apache.org/jira/browse/HBASE-4862?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ted Yu updated HBASE-4862: -- Fix Version/s: 0.90.5 0.94.0 0.92.0 > Split hlog and open region concurrently happend may cause data loss > --- > > Key: HBASE-4862 > URL: https://issues.apache.org/jira/browse/HBASE-4862 > Project: HBase > Issue Type: Bug >Affects Versions: 0.90.2 >Reporter: chunhui shen >Assignee: chunhui shen > Fix For: 0.92.0, 0.94.0, 0.90.5 > > Attachments: 4862.patch > > > Case Description: > 1.Split hlog thread creat writer for the file region A/recoverd.edits/123456 > and is appending log entry > 2.Regionserver is opening region A now, and in the process > replayRecoveredEditsIfAny() ,it will delete the file region > A/recoverd.edits/123456 > 3.Split hlog thread catches the io exception, and stop parse this log file > and if skipError = true , add it to the corrupt logsHowever, data in > other regions in this log file will loss > 4.Or if skipError = false, it will check filesystem.Of course, the file > system is ok , and it only prints a error log, continue assigning regions. > Therefore, data in other log files will also loss!! > The case may happen in the following: > 1.Move region from server A to server B > 2.kill server A and Server B > 3.restart server A and Server B > We could prevent this exception throuth forbiding deleting recover.edits > file > which is appending by split hlog thread -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Updated] (HBASE-4862) Split hlog and open region concurrently happend may cause data loss
[ https://issues.apache.org/jira/browse/HBASE-4862?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] chunhui shen updated HBASE-4862: Summary: Split hlog and open region concurrently happend may cause data loss (was: Split hlog and open region currently happend may cause data loss) > Split hlog and open region concurrently happend may cause data loss > --- > > Key: HBASE-4862 > URL: https://issues.apache.org/jira/browse/HBASE-4862 > Project: HBase > Issue Type: Bug >Affects Versions: 0.90.2 >Reporter: chunhui shen > Attachments: 4862.patch > > > Case Description: > 1.Split hlog thread creat writer for the file region A/recoverd.edits/123456 > and is appending log entry > 2.Regionserver is opening region A now, and in the process > replayRecoveredEditsIfAny() ,it will delete the file region > A/recoverd.edits/123456 > 3.Split hlog thread catches the io exception, and stop parse this log file > and if skipError = true , add it to the corrupt logsHowever, data in > other regions in this log file will loss > 4.Or if skipError = false, it will check filesystem.Of course, the file > system is ok , and it only prints a error log, continue assigning regions. > Therefore, data in other log files will also loss!! > The case may happen in the following: > 1.Move region from server A to server B > 2.kill server A and Server B > 3.restart server A and Server B > We could prevent this exception throuth forbiding deleting recover.edits > file > which is appending by split hlog thread -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira
