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Posted to issues@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2016/07/13 20:19:20 UTC

[jira] [Updated] (HBASE-16224) Reduce the number of RPCs for the large PUTs

     [ https://issues.apache.org/jira/browse/HBASE-16224?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ted Yu updated HBASE-16224:
---------------------------
    Summary: Reduce the number of RPCs for the large PUTs  (was: Reduces the number of RPC for the large PUTs)

> Reduce the number of RPCs for the large PUTs
> --------------------------------------------
>
>                 Key: HBASE-16224
>                 URL: https://issues.apache.org/jira/browse/HBASE-16224
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: ChiaPing Tsai
>            Priority: Minor
>         Attachments: HBASE-16224-v1.patch, HBASE-16224-v2.patch
>
>
> This patch is proposed to reduce the number of RPC for the large PUTs 
> The number and data size of write thread(SingleServerRequestRunnable) is a result of three main factors:
> 1) The flush size taken by BufferedMutatorImpl#backgroundFlushCommits
> 2) The limit of task number
> 3) ClientBackoffPolicy
> A lot of threads created with less MUTATIONs is a result of two reason: 1) many regions of target table are in different server. 2) flush size in step one is summed by “all” server rather than “individual” server
> This patch removes the limit of flush size in step one and add maximum size to submit for each server in the AsyncProcess



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