Dimitris Tsirogiannis has uploaded this change for review. ( 
http://gerrit.cloudera.org:8080/9232


Change subject: IMPALA-6486: Fix INVALIDATE METADATA hang after statestore 
restart
......................................................................

IMPALA-6486: Fix INVALIDATE METADATA hang after statestore restart

This commit fixes an issue where an INVALIDATE METADATA statement will
hang if executed after a statestore restart. The issue was that the
CatalogObjectVersionQueue was not properly reset when a non-delta
catalog topic update was received in an impalad, causing it to record
duplicate catalog versions and, hence, not properly advancing the minimum
catalog object watermark. The latter is used by INVALIDATE METADATA to
determine when the effects of that operation have been applied to the
local impalad catalog cache.

Change-Id: Icf3ee31c28884ed79c5dbc700ccd4ef761015c68
---
M fe/src/main/java/org/apache/impala/catalog/CatalogObjectVersionQueue.java
M fe/src/main/java/org/apache/impala/catalog/ImpaladCatalog.java
2 files changed, 5 insertions(+), 4 deletions(-)



  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/32/9232/1
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: Icf3ee31c28884ed79c5dbc700ccd4ef761015c68
Gerrit-Change-Number: 9232
Gerrit-PatchSet: 1
Gerrit-Owner: Dimitris Tsirogiannis <dtsirogian...@cloudera.com>

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