Surya Hebbar has uploaded a new patch set (#6). ( 
http://gerrit.cloudera.org:8080/20522 )

Change subject: IMPALA-12473: Fix profile's missing event timestamp exception 
in query timeline
......................................................................

IMPALA-12473: Fix profile's missing event timestamp exception in query timeline

In case of missing event timestamps, the event lists are compared on
the basis of labels to ensure correct timestamps are aggregated while
plotting the fragment timing diagram.

As this mismatch of event lists takes place in very rare instances,
to optimize this operation, we bypass comparison of labels each time
in case the event list's lengths are the same.

The event lists are traversed in an optimal order to reduce comparisons,
assuming the first event list in each 'event_sequences' to have been
the longest and that the later 'event_sequences' lists will be in the
same expected order.

Change-Id: I025b00d8632a5a1953ecdaaa7d8a4ae224dd2610
---
M www/query_timeline.tmpl
1 file changed, 41 insertions(+), 6 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/22/20522/6
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I025b00d8632a5a1953ecdaaa7d8a4ae224dd2610
Gerrit-Change-Number: 20522
Gerrit-PatchSet: 6
Gerrit-Owner: Surya Hebbar <sheb...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Kurt Deschler <kdesc...@cloudera.com>
Gerrit-Reviewer: Surya Hebbar <sheb...@cloudera.com>
Gerrit-Reviewer: Wenzhe Zhou <wz...@cloudera.com>

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