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Posted to issues@kylin.apache.org by "nichunen (Jira)" <ji...@apache.org> on 2020/01/21 07:44:02 UTC

[jira] [Closed] (KYLIN-4026) Avoid too many file append operations in HiveProducer of hive metrics reporter

     [ https://issues.apache.org/jira/browse/KYLIN-4026?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

nichunen closed KYLIN-4026.
---------------------------

Resolved in release v3.0.0-alpha2(2019-07-31)

> Avoid too many file append operations in HiveProducer of hive metrics reporter
> ------------------------------------------------------------------------------
>
>                 Key: KYLIN-4026
>                 URL: https://issues.apache.org/jira/browse/KYLIN-4026
>             Project: Kylin
>          Issue Type: Improvement
>            Reporter: Shaohui Liu
>            Priority: Major
>             Fix For: v3.0.0-alpha2
>
>
> Currently  for each write in HiveProducer, there will be a hdfs append operation, which is heavy for HDFS. 
> A improvement is to keep a FSDataOutputStream in  HiveProducer and write data to it continuously 
>  
>  



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