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Posted to issues@hbase.apache.org by "ChiaPing Tsai (JIRA)" <ji...@apache.org> on 2016/07/13 11:15:21 UTC
[jira] [Updated] (HBASE-16224) Reduces the number of RPC for the
large PUTs
[ https://issues.apache.org/jira/browse/HBASE-16224?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ChiaPing Tsai updated HBASE-16224:
----------------------------------
Status: Patch Available (was: Open)
> Reduces the number of RPC 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
>
>
> 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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