Alexey Serbin has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/20310 )

Change subject: KUDU-3497 optimize leader rebalancer algorithm
......................................................................


Patch Set 17:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/20310/10/src/kudu/master/auto_leader_rebalancer.cc
File src/kudu/master/auto_leader_rebalancer.cc:

http://gerrit.cloudera.org:8080/#/c/20310/10/src/kudu/master/auto_leader_rebalancer.cc@248
PS10, Line 248:     string leader_uuid = from_info.first;
              :     int32_t need_transfer_count = from_info.second;
              :     int32_t pick_count = 0;
              :     vector<string>& uuid_leaders = 
leader_tablet_ids_by_ts_uuid[leader_uuid];
              :     std::shuffle(uuid_leaders.begin(), uuid_leaders.end(), 
random_generator_);
              :     // This loop would generate 'uuid_leaders.size()' leader 
transferring tasks at most.
              :     // Every task would p
> I think, no, 'remaining_tablets' can not turn negative. The formula of 'rem
All right, even if it did, I guess it could be only at the very last iteration 
of the cycle, but that wouldn't affect the contents of the 
'leader_transfer_source'.



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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I0f1fe796fd98da2d8764da793b7e254319e6348a
Gerrit-Change-Number: 20310
Gerrit-PatchSet: 17
Gerrit-Owner: Song Jiacheng <[email protected]>
Gerrit-Reviewer: Alexey Serbin <[email protected]>
Gerrit-Reviewer: Kudu Jenkins (120)
Gerrit-Reviewer: Song Jiacheng <[email protected]>
Gerrit-Reviewer: Tidy Bot (241)
Gerrit-Reviewer: Wang Xixu <[email protected]>
Gerrit-Reviewer: Yingchun Lai <[email protected]>
Gerrit-Reviewer: Yuqi Du <[email protected]>
Gerrit-Comment-Date: Tue, 21 Nov 2023 05:38:56 +0000
Gerrit-HasComments: Yes

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