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https://issues.apache.org/jira/browse/HBASE-16945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15618309#comment-15618309
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Duo Zhang commented on HBASE-16945:
-----------------------------------
Yeah the whole async client implementation lacks of trace log and metrics...
Let me file a issue later to address it. Maybe we could add trace log for every
asynchronous operation. For example, before scheduling, log "start XXX", and
when the callback is invoked, log "end XXX".
> Implement AsyncRegionLocator
> ----------------------------
>
> Key: HBASE-16945
> URL: https://issues.apache.org/jira/browse/HBASE-16945
> Project: HBase
> Issue Type: Sub-task
> Components: Client
> Affects Versions: 2.0.0
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Fix For: 2.0.0
>
> Attachments: HBASE-16945.patch
>
>
> Will implement it based on the small scan introduced in HBASE-16932 and the
> async zk cluster registry introduced in HBASE-16835.
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