Alexey Serbin has posted comments on this change.

Change subject: [catalog manager] fixed deadlock on catalog shutdown
......................................................................


Patch Set 3:

(4 comments)

http://gerrit.cloudera.org:8080/#/c/6134/3/src/kudu/master/catalog_manager.cc
File src/kudu/master/catalog_manager.cc:

Line 812:     LOG(INFO) << "No active consensus, ignoring callback";
> Let's change this to WARNING.
Done


Line 991:     return RaftPeerPB::UNKNOWN_ROLE;
> When is this method invoked? Will returning UNKNOWN_ROLE be OK?
It's used in MasterServiceImpl::GetMasterRegistration() and  
MasterServiceImpl::ConnectToMaster() RPC handlers.  It sets the 'role' field in 
GetMasterRegistrationResponsePB and ConnectToMasterResponsePB correspondingly.  
As far as I can see, the callers might expect that field to be set to UNKNOWN 
value.


Line 1025:   // on the system table, if any.
> Let's be more explicit and explain how it's important to do this before wai
Done


Line 1034:   // Wait for any outstanding table visitors to finish.
> Can you reword this comment so it's talking about the ElectedLeaderCb task?
Done


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Gerrit-MessageType: comment
Gerrit-Change-Id: I10ad66fe33d4696adf2a02a09e2790afa8869583
Gerrit-PatchSet: 3
Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-Owner: Alexey Serbin <aser...@cloudera.com>
Gerrit-Reviewer: Adar Dembo <a...@cloudera.com>
Gerrit-Reviewer: Alexey Serbin <aser...@cloudera.com>
Gerrit-Reviewer: David Ribeiro Alves <dral...@apache.org>
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Mike Percy <mpe...@apache.org>
Gerrit-Reviewer: Tidy Bot
Gerrit-Reviewer: Todd Lipcon <t...@apache.org>
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