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https://issues.apache.org/jira/browse/IMPALA-14885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18072964#comment-18072964
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ASF subversion and git services commented on IMPALA-14885:
----------------------------------------------------------

Commit ade1f0f0eb04b69d5877b599a5e438f51e42559d in impala's branch 
refs/heads/master from stiga-huang
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=ade1f0f0e ]

IMPALA-14885: Remove async_rpc_pool_ which has no usages

async_rpc_pool_ used to be the thread pool for sending Thrift
UpdateFilter RPCs. After IMPALA-7984 ports UpdateFilter to KRPC, this
thread pool has no usages and should be removed. This also saves 8
threads that are never used.

Change-Id: I7b1f9bccc34f4b00f7914c93adc986dc448501c0
Reviewed-on: http://gerrit.cloudera.org:8080/24182
Reviewed-by: Impala Public Jenkins <[email protected]>
Tested-by: Impala Public Jenkins <[email protected]>


> Useless threads launched for async-rpc-sender
> ---------------------------------------------
>
>                 Key: IMPALA-14885
>                 URL: https://issues.apache.org/jira/browse/IMPALA-14885
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Backend
>            Reporter: Quanlong Huang
>            Assignee: Quanlong Huang
>            Priority: Major
>
> After IMPALA-7984, async_rpc_pool_ has no usages and should be removed. The 
> last usage is removed here: 
> [https://gerrit.cloudera.org/c/13882/32/be/src/runtime/runtime-filter-bank.cc#b173]
> It's used in UpdateFilter RPC when it's implemented in thrift. After we port 
> UpdateFilter to KRPC, this thread pool has no usages.



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