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From "Duo Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-17282) Reduce the redundant requests to meta table
Date Thu, 15 Dec 2016 15:01:10 GMT

     [ https://issues.apache.org/jira/browse/HBASE-17282?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Duo Zhang updated HBASE-17282:
------------------------------
             Assignee: Duo Zhang
    Affects Version/s: 2.0.0
               Status: Patch Available  (was: Open)

> 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.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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