Todd Lipcon has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/11638 )

Change subject: IMPALA-7669: Gracefully handle concurrent invalidate/partial 
fetch RPCs
......................................................................


Patch Set 1:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/11638/1/fe/src/main/java/org/apache/impala/catalog/IncompleteTable.java
File fe/src/main/java/org/apache/impala/catalog/IncompleteTable.java:

http://gerrit.cloudera.org:8080/#/c/11638/1/fe/src/main/java/org/apache/impala/catalog/IncompleteTable.java@144
PS1, Line 144: if (cause_ == null) {
             :       throw new TableLoadingException("Table state on the 
Catalog server has been " +
             :           "invalidated by another concurrent request. Please 
retry the query.");
> The problem seems to be here [1] (I added some additional logging to confir
ah, I see. I think in other places we also make an assumption that 
getOrLoadTable always returns either a failed or a complete table (never an 
incomplete one). Is this problem more widespread than just this API call?



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I8533f73f25ca42a20f146ddfd95d4213add9b705
Gerrit-Change-Number: 11638
Gerrit-PatchSet: 1
Gerrit-Owner: Bharath Vissapragada <bhara...@cloudera.com>
Gerrit-Reviewer: Bharath Vissapragada <bhara...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Todd Lipcon <t...@apache.org>
Gerrit-Reviewer: Vuk Ercegovac <vercego...@cloudera.com>
Gerrit-Comment-Date: Thu, 11 Oct 2018 22:48:31 +0000
Gerrit-HasComments: Yes

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