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https://issues.apache.org/jira/browse/HBASE-9377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13762489#comment-13762489
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Lars Hofhansl commented on HBASE-9377:
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on 2nd thought, I would hate to have the APIs different here between 0.94 and
0.96+. So we can
# introduce BatchFileCleanerDelegate in 0.96+ as well.
# make this change here (and break clients that wrote their own chores by
directly implementing FileCleanerDelegate.
# do nothing in 0.94
Presumably this can also happen when the slave cluster is down for a while and
many WALs are queued up for replay (that's a scenario that we would face during
upgrades).
For #2 how likely is it that anybody would have done that? I do not know of
anybody.
Thoughts about #1?
> Backport HBASE- 9208 "ReplicationLogCleaner slow at large scale"
> ----------------------------------------------------------------
>
> Key: HBASE-9377
> URL: https://issues.apache.org/jira/browse/HBASE-9377
> Project: HBase
> Issue Type: Task
> Components: Replication
> Reporter: stack
> Assignee: Lars Hofhansl
> Fix For: 0.94.12
>
>
> For [~lhofhansl] to make a call on. See end where Dave Latham talks about
> issues w/ patch in 0.94.
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