[IMPALA-7394] Don't print stack trace in ImpalaServer::ExpireSessions()

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: Impala 3.0, Impala 2.12.0
• Fix Version/s: Impala 3.1.0
• Component/s: Backend
• Target Version: Impala 3.1.0
• Epic Color: ghx-label-3
• Assignee: Michael Ho
• Reporter: Michael Ho
• Created: 03/Aug/18 20:29
• Updated: 08/Aug/18 18:50
• Resolved: 08/Aug/18 18:50

Description

It appears that session expiration can result in huge amount of log spew like the following. While IMPALA-7014 reduces the overhead by avoiding the symbolization, the log spew still seems unnecessary.

I0730 13:00:10.241578 400820 status.cc:125] Session expired due to inactivity
    @           0x96678a  impala::Status::Status()
    @           0xc00d3c  impala::ImpalaServer::ExpireSessions()
    @           0xd6101f  impala::Thread::SuperviseThread()
    @           0xd6181a  boost::detail::thread_data<>::run()
    @          0x12d85ca  (unknown)
    @     0x7f16285fbdc5  start_thread
    @     0x7f162832c17d  __clone