Alexey Serbin has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/14111 )

Change subject: KUDU-2069 pt 1: add a maintenance mode
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Patch Set 5:

(3 comments)

http://gerrit.cloudera.org:8080/#/c/14111/2//COMMIT_MSG
Commit Message:

http://gerrit.cloudera.org:8080/#/c/14111/2//COMMIT_MSG@10
PS2, Line 10: failures of T will not be considered when determining
            : whether a given tablet is under-replicated
> I don't explicitly mention this in the design doc, but going by what I desc
I was thinking of special error code for reporting purposes at this point, but 
after some consideration that doesn't sound like a necessity.  Overall, whoever 
operates the cluster should let users know that there is a maintenance window 
and some tablet servers might be unavailable.

As for postponing creating the proper number of replicas for later, I don't 
think it's worth to introduce such a complexity, at list at this point, yep.


http://gerrit.cloudera.org:8080/#/c/14111/2//COMMIT_MSG@23
PS2, Line 23: whitelist
> I was struggling to come to a term that aptly described the behavior and la
OK.


http://gerrit.cloudera.org:8080/#/c/14111/2/src/kudu/master/master.proto
File src/kudu/master/master.proto:

http://gerrit.cloudera.org:8080/#/c/14111/2/src/kudu/master/master.proto@816
PS2, Line 816: optional MaintenanceStatePB state
> I don't think that is necessary right now, but I'll write it so we can in t
Yeah, I looked around as of now I don't see any cases which would require 
'setting at once' semantics.



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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Ia857668b87560cdd451c2e7f90d72f8217ba5a4b
Gerrit-Change-Number: 14111
Gerrit-PatchSet: 5
Gerrit-Owner: Andrew Wong <[email protected]>
Gerrit-Reviewer: Alexey Serbin <[email protected]>
Gerrit-Reviewer: Andrew Wong <[email protected]>
Gerrit-Reviewer: Kudu Jenkins (120)
Gerrit-Reviewer: Tidy Bot (241)
Gerrit-Comment-Date: Mon, 26 Aug 2019 13:49:45 +0000
Gerrit-HasComments: Yes

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