Hello Todd Lipcon, Impala Public Jenkins,
I'd like you to reexamine a change. Please visit
http://gerrit.cloudera.org:8080/11021
to look at the new patch set (#2).
Change subject: IMPALA-6214: Determine and warn about stuck fragment instances.
......................................................................
IMPALA-6214: Determine and warn about stuck fragment instances.
In order to diagnose query hangs, we need to know the fragment execution
time on a particular exec node. Inspecting the query run time profile
to find the cause of hang does not give much details.
This change helps in finding the problematic 'exec node' where the fragment
execution is not making progress. The change makes use of timed-wait wait
that waits for the 1 min delay if the batch request is not recieved from
the sender node.
Testing:
--------
a) Added a delay on the sender side as a part of manual test case to notice
the affect of change. The watchdog prints the detail of fragmentID and
nodeID when the watchdog timer expires.
b) Ran the core test without failure.
Change-Id: I260a1d0a3477e5c6a46094e664500c3e2ed7de62
---
M be/src/runtime/krpc-data-stream-recvr.cc
1 file changed, 7 insertions(+), 4 deletions(-)
git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/21/11021/2
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I260a1d0a3477e5c6a46094e664500c3e2ed7de62
Gerrit-Change-Number: 11021
Gerrit-PatchSet: 2
Gerrit-Owner: Pranay Singh
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Pranay Singh
Gerrit-Reviewer: Todd Lipcon <t...@apache.org>
