Dimitris Tsirogiannis has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/8449 )

Change subject: IMPALA-3613: Avoid topic updates to unregistered subscriber 
instances
......................................................................


Patch Set 3:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/8449/3/be/src/statestore/statestore.h
File be/src/statestore/statestore.h:

http://gerrit.cloudera.org:8080/#/c/8449/3/be/src/statestore/statestore.h@385
PS3, Line 385: std::pair<SubscriberId, RegistrationId>
> Wouldn't that keep a bunch of unregistered 'Subscriber' objects around due
It will until doSubscriberUpdate is called which will remove the entry. You can 
even use a weak_ptr here if keeping these entries for some time is a concern.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I0329ae7d23dc6e9b04b7bc3ee8d89cbc73756f65
Gerrit-Change-Number: 8449
Gerrit-PatchSet: 3
Gerrit-Owner: Bharath Vissapragada <bhara...@cloudera.com>
Gerrit-Reviewer: Bharath Vissapragada <bhara...@cloudera.com>
Gerrit-Reviewer: Dimitris Tsirogiannis <dtsirogian...@cloudera.com>
Gerrit-Reviewer: Sailesh Mukil <sail...@cloudera.com>
Gerrit-Comment-Date: Mon, 06 Nov 2017 21:28:31 +0000
Gerrit-HasComments: Yes

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