[email protected] has uploaded a new patch set (#4). ( 
http://gerrit.cloudera.org:8080/20487 )

Change subject: IMPALA-12399: (addendum) Fixed possible deadloop and also do 
not set the event skip list in notification request to update latestEventId_
......................................................................

IMPALA-12399: (addendum) Fixed possible deadloop and also do not set
the event skip list in notification request to update latestEventId_

Following points are fixed:
1. Possible deadloop in
MetastoreEventsProcessor#getNextMetastoreEventsInBatches()
when OPEN_TXN is the last event on HMS at the moment the
method is invoked. Need to return when events received
in response is empty.
2. latestEventId_ reflects the latest event in HMS. Should
not set the event skip list in notification request to
update latestEventId_.
3. Update lastSyncedEventId_ when event list returned is
empty due to event skip list in notification event.

Testing:
- Added tests and executed all existing tests.

Change-Id: Idb4b8c3db23d39226f10b33cca4e6a1ab271b925
---
M fe/src/compat-apache-hive-3/java/org/apache/impala/compat/MetastoreShim.java
M fe/src/compat-hive-3/java/org/apache/impala/compat/MetastoreShim.java
M 
fe/src/main/java/org/apache/impala/catalog/events/MetastoreEventsProcessor.java
M 
fe/src/test/java/org/apache/impala/catalog/events/MetastoreEventsProcessorTest.java
4 files changed, 150 insertions(+), 46 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/87/20487/4
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Idb4b8c3db23d39226f10b33cca4e6a1ab271b925
Gerrit-Change-Number: 20487
Gerrit-PatchSet: 4
Gerrit-Owner: Anonymous Coward <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Quanlong Huang <[email protected]>
Gerrit-Reviewer: Sai Hemanth Gantasala <[email protected]>

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