Tim Armstrong has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/14246 )

Change subject: IMPALA-8634: Catalog client should retry RPCs
......................................................................


Patch Set 1:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/14246/1/be/src/exec/catalog-op-executor.cc
File be/src/exec/catalog-op-executor.cc:

http://gerrit.cloudera.org:8080/#/c/14246/1/be/src/exec/catalog-op-executor.cc@62
PS1, Line 62: static Status CatalogRpcDebugFn(int& attempt) {
nit: pass as a pointer


http://gerrit.cloudera.org:8080/#/c/14246/1/be/src/runtime/exec-env.cc
File be/src/runtime/exec-env.cc:

http://gerrit.cloudera.org:8080/#/c/14246/1/be/src/runtime/exec-env.cc@142
PS1, Line 142: DEFINE_int32(catalog_client_connection_num_retries, 3, "The 
number of times connections "
I kinda wonder if we should tweak the defaults to make it poll more frequently 
and/or longer. Every 10 seconds seems kinda long if the outage might be 
intermittent flakiness.

30 seconds also might not be long enough for the catalogd to recover (although 
I can see we might just want to fail queries if they're delayed 30+ seconds).



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I7f33ad2b36d301fb64e70a939e71decab0ca993c
Gerrit-Change-Number: 14246
Gerrit-PatchSet: 1
Gerrit-Owner: Sahil Takiar <stak...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Michael Ho <k...@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com>
Gerrit-Comment-Date: Tue, 17 Sep 2019 20:43:10 +0000
Gerrit-HasComments: Yes

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