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Posted to issues@impala.apache.org by "Mostafa Mokhtar (JIRA)" <ji...@apache.org> on 2017/12/06 20:48:00 UTC
[jira] [Created] (IMPALA-6285) Avoid printing the stack as part of
DoTransmitDataRpc as it leads to burning lots of kernel CPU
Mostafa Mokhtar created IMPALA-6285:
---------------------------------------
Summary: Avoid printing the stack as part of DoTransmitDataRpc as it leads to burning lots of kernel CPU
Key: IMPALA-6285
URL: https://issues.apache.org/jira/browse/IMPALA-6285
Project: IMPALA
Issue Type: Bug
Affects Versions: Impala 2.11.0
Reporter: Mostafa Mokhtar
Assignee: Michael Ho
Priority: Blocker
When running on 32 concurrent TPCDS queries against 20 r4.8xlarge some of the RPCs timeout but don't fail the query
{code}
I1206 12:44:14.925405 25274 status.cc:58] RPC recv timed out: Client foo-17.domain.com:22000 timed-out during recv call.
@ 0x957a6a impala::Status::Status()
@ 0x11dd5fe impala::DataStreamSender::Channel::DoTransmitDataRpc()
@ 0x11ddcd4 impala::DataStreamSender::Channel::TransmitDataHelper()
@ 0x11de080 impala::DataStreamSender::Channel::TransmitData()
@ 0x11e1004 impala::ThreadPool<>::WorkerThread()
@ 0xd10063 impala::Thread::SuperviseThread()
@ 0xd107a4 boost::detail::thread_data<>::run()
@ 0x128997a (unknown)
@ 0x7f68c5bc7e25 start_thread
@ 0x7f68c58f534d __clone
{code}
{code}
I1206 12:44:15.152775 25296 status.cc:58] RPC recv timed out: Client foo-5.domain.com:22000 timed-out during recv call.
@ 0x957a6a impala::Status::Status()
@ 0x11dd5fe impala::DataStreamSender::Channel::DoTransmitDataRpc()
@ 0x11ddcd4 impala::DataStreamSender::Channel::TransmitDataHelper()
@ 0x11de080 impala::DataStreamSender::Channel::TransmitData()
@ 0x11e1004 impala::ThreadPool<>::WorkerThread()
@ 0xd10063 impala::Thread::SuperviseThread()
@ 0xd107a4 boost::detail::thread_data<>::run()
@ 0x128997a (unknown)
@ 0x7f68c5bc7e25 start_thread
@ 0x7f68c58f534d __clone
{code}
The status can be changed to expected but it is worth verifying that this timeout can be tolerated.
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