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From "ryan rawson (JIRA)" <j...@apache.org>
Subject [jira] Reopened: (HBASE-2066) Perf: parallelize puts
Date Sat, 20 Mar 2010 07:44:27 GMT

     [ https://issues.apache.org/jira/browse/HBASE-2066?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

ryan rawson reopened HBASE-2066:
--------------------------------


this will go into 0.20 branch since now we have HBASE-2219 in there

> Perf: parallelize puts
> ----------------------
>
>                 Key: HBASE-2066
>                 URL: https://issues.apache.org/jira/browse/HBASE-2066
>             Project: Hadoop HBase
>          Issue Type: Bug
>    Affects Versions: 0.20.2
>            Reporter: ryan rawson
>            Assignee: ryan rawson
>             Fix For: 0.21.0
>
>         Attachments: HBASE-2066-3.patch, HBASE-2066-branch.patch, HBASE-2066-v2.patch,
TestBatchPut.java
>
>
> Right now with large region count tables, the write buffer is not efficient.  This is
because we issue potentially N RPCs, where N is the # of regions in the table.  When N gets
large (lets say 1200+) things become sloowwwww.
> Instead if we batch things up using a different RPC and use thread pools, we could see
higher performance!
> This requires a RPC change...

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