[
https://issues.apache.org/jira/browse/HBASE-25720?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Xiaolin Ha resolved HBASE-25720.
--------------------------------
Resolution: Won't Fix
> Sync WAL stuck when prepare flush cache will prevent flush cache and cause OOM
> ------------------------------------------------------------------------------
>
> Key: HBASE-25720
> URL: https://issues.apache.org/jira/browse/HBASE-25720
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 1.4.13
> Reporter: Xiaolin Ha
> Assignee: Xiaolin Ha
> Priority: Major
> Attachments: prepare-flush-cache-stuck.png
>
>
> We call HRegion#doSyncOfUnflushedWALChanges when preparing to flush cache.
> But this WAL sync may stuck, and abort the flush of cache.
> !prepare-flush-cache-stuck.png|width=519,height=246!
> If we cannot aware of this problem in time, RS will OOM kill.
> I think we should force abort RS when sync stuck in preparing, like in
> committing snapshots.
>
>
--
This message was sent by Atlassian Jira
(v8.20.1#820001)
