[Impala-ASF-CR] IMPALA-5108: idle session timeout kicks in later than expected

["Pranay Singh (Code Review)" <ge...@cloudera.org>]

Hello Henry Robinson,

I'd like you to reexamine a change.  Please visit

    http://gerrit.cloudera.org:8080/7709

to look at the new patch set (#3).

Change subject: IMPALA-5108: idle_session_timeout kicks in later than expected
......................................................................

IMPALA-5108: idle_session_timeout kicks in later than expected

Fix: The issue was caused because sessions could get closed
     some time after their timeout expires, because the session
     expiration thread only woke up every session-timeout/2
     seconds. This fix changes the logic, now the session expiration
     thread will wakeup every 1 sec to check whether sessions can
     be expired.

    The test changes in session-expiry-test is based on introducing
    variable names for the numeric constants and to reduce the time
    of max_idle_timeout_ms.

Change-Id: Ic62f1ece6c128a80676c6eb331ef190a038bee76
---
M be/src/service/impala-server.cc
M be/src/service/session-expiry-test.cc
2 files changed, 9 insertions(+), 8 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/09/7709/3
-- 
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Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Ic62f1ece6c128a80676c6eb331ef190a038bee76
Gerrit-PatchSet: 3
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Pranay Singh
Gerrit-Reviewer: Bharath Vissapragada <bh...@cloudera.com>
Gerrit-Reviewer: Henry Robinson <he...@cloudera.com>
Gerrit-Reviewer: Joe McDonnell <jo...@cloudera.com>
Gerrit-Reviewer: Pranay Singh