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https://issues.apache.org/jira/browse/HBASE-17282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15755843#comment-15755843
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stack commented on HBASE-17282:
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I +1'd the patch over on RB. Its easy to follow what is going on. One comment
though, looking over in HBASE-17323, this stuff is noisy. See logs from a run
of TestAsyncGetMultiThread. You might want to clean some of it up on commit.
> Reduce the redundant requests to meta table
> -------------------------------------------
>
> Key: HBASE-17282
> URL: https://issues.apache.org/jira/browse/HBASE-17282
> 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-17282-v1.patch, HBASE-17282.patch
>
>
> This usually happens at startup when the meta cache is empty. There will be a
> lot of locating requests, but most of will have same results. Things become
> worse if we do batch operations with AsyncTable as we will send a locating
> request for each operation concurrently.
> We need to reduce the redundant requests to meta table.
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