[ https://issues.apache.org/jira/browse/HBASE-26974?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated HBASE-26974: ----------------------------------- Labels: pull-request-available (was: ) > Introduce a LogRollProcedure > ---------------------------- > > Key: HBASE-26974 > URL: https://issues.apache.org/jira/browse/HBASE-26974 > Project: HBase > Issue Type: Improvement > Components: backup&restore, proc-v2 > Reporter: ruanhui > Assignee: ruanhui > Priority: Minor > Labels: pull-request-available > Fix For: 3.0.0-beta-2 > > > The current log-rolling for all regionservers is based in ZK. Here is an > attempt to reimplement it with procedure v2. > Here are some requirements about the implementation. > The procedure can be introduced as a new feature. It should remain fully > compatible with previous implementations. Also, this feature can be disabled > by the configuration. Currently we only use the logroll procedure when taking > a backup job, so I think all code logic should be implemented in the > hbase-backup module as much as possible(I'm not sure if this is the right way > to do it. If you have any suggestions, please let me know). > Here are some details about the implementation. > *LogRollProcedure* > The LogRollProcedure is used to roll WAL for all the regionservers in the > cluster. It acquires the shared lock of the backup system table. > *RSLogRollProcedure* > The RSLogRollProcedure is used to schedule a RSLogRollRemoteProcedure for > each regionserver. When the subprocedure returns, the RSLogRollProcedure will > check the logrolling result in the backup system table. If failed, The > RSLogRollProcedure will schedule a new RSLogRollRemoteProcedure to retry. > *RSLogRollRemoteProcedure* > The RSLogRollRemoteProcedure is used to send the log roll request to the > remote server. > This is only the first version implementation, any suggestions and feedbacks > are appreciated. -- This message was sent by Atlassian Jira (v8.20.10#820010)