Riza Suminto has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/23094 )

Change subject: IMPALA-12057: Track removed coordinators to reject queued 
queries early
......................................................................


Patch Set 7:

(7 comments)

http://gerrit.cloudera.org:8080/#/c/23094/5//COMMIT_MSG
Commit Message:

http://gerrit.cloudera.org:8080/#/c/23094/5//COMMIT_MSG@13
PS5, Line 13: resulting in unnecessary waiting until timeout.
> The timeout is determined by either FLAGS_queue_wait_timeout_ms or the queu
Ack


http://gerrit.cloudera.org:8080/#/c/23094/5/be/src/scheduling/admission-controller.cc
File be/src/scheduling/admission-controller.cc:

http://gerrit.cloudera.org:8080/#/c/23094/5/be/src/scheduling/admission-controller.cc@263
PS5, Line 263: FIX = "The coordinator no longer
> Done
Done


http://gerrit.cloudera.org:8080/#/c/23094/5/be/src/scheduling/admission-controller.cc@2547
PS5, Line 2547: >local_stats().num_queue
> Changed to allow FindGroupToAdmitOrReject to return false in this case.
Done


http://gerrit.cloudera.org:8080/#/c/23094/5/be/src/scheduling/cluster-membership-mgr-test.cc
File be/src/scheduling/cluster-membership-mgr-test.cc:

http://gerrit.cloudera.org:8080/#/c/23094/5/be/src/scheduling/cluster-membership-mgr-test.cc@329
PS5, Line 329:
> Done
Done


http://gerrit.cloudera.org:8080/#/c/23094/5/be/src/scheduling/cluster-membership-mgr-test.cc@332
PS5, Line 332: ble(rng_);
> Done
Done


http://gerrit.cloudera.org:8080/#/c/23094/7/be/src/scheduling/cluster-membership-mgr.cc
File be/src/scheduling/cluster-membership-mgr.cc:

http://gerrit.cloudera.org:8080/#/c/23094/7/be/src/scheduling/cluster-membership-mgr.cc@195
PS7, Line 195: _addToRemovedCoordinators
addToRemoved sounds conflicting to me. Perhaps MarkCoordinatorAsMissing is 
better?


http://gerrit.cloudera.org:8080/#/c/23094/7/be/src/scheduling/cluster-membership-mgr.cc@221
PS7, Line 221:     _addToRemovedCoordinators(state, be, *actual_be);
Under intermittent network partition, is it possible that same coordinator that 
previously declared gone is coming back again with the same backend id?
If that happens, they should be removed from state->removed_coordinators_map 
and state->removed_coordinators_order, right?



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I1e0f270299f8c20975d7895c17f4e2791c3360e0
Gerrit-Change-Number: 23094
Gerrit-PatchSet: 7
Gerrit-Owner: Yida Wu <[email protected]>
Gerrit-Reviewer: Abhishek Rawat <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Riza Suminto <[email protected]>
Gerrit-Reviewer: Wenzhe Zhou <[email protected]>
Gerrit-Reviewer: Yida Wu <[email protected]>
Gerrit-Comment-Date: Thu, 10 Jul 2025 16:12:31 +0000
Gerrit-HasComments: Yes

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