Quanlong Huang has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/21573 )

Change subject: IMPALA-13208: Add cluster id to the membership and 
request-queue topic names
......................................................................


Patch Set 2:

(7 comments)

> Did you miss adding a custom_cluster file?

Yeah, sorry about that. Forgot to add 
tests/custom_cluster/test_shared_catalogd.py.

http://gerrit.cloudera.org:8080/#/c/21573/1/be/src/scheduling/admission-controller.h
File be/src/scheduling/admission-controller.h:

http://gerrit.cloudera.org:8080/#/c/21573/1/be/src/scheduling/admission-controller.h@915
PS1, Line 915:   std::string request_queue_topic_name_;
> I'm surprised this works without 'std::'. We tend to avoid relying on 'usin
Yeah, maybe a header file explicitly declares "std::". We use "string" without 
"std::" in other places in this file, e.g. L811.
Anyway, changed this to "std::string" to be consistent.


http://gerrit.cloudera.org:8080/#/c/21573/1/be/src/scheduling/admission-controller.cc
File be/src/scheduling/admission-controller.cc:

http://gerrit.cloudera.org:8080/#/c/21573/1/be/src/scheduling/admission-controller.cc@670
PS1, Line 670:     request_queue_topic_name_ =
> line too long (96 > 90)
Done


http://gerrit.cloudera.org:8080/#/c/21573/1/be/src/scheduling/cluster-membership-mgr.h
File be/src/scheduling/cluster-membership-mgr.h:

http://gerrit.cloudera.org:8080/#/c/21573/1/be/src/scheduling/cluster-membership-mgr.h@289
PS1, Line 289:   std::string membership_topic_name_;
> nit: use 'std::string'
Done


http://gerrit.cloudera.org:8080/#/c/21573/1/be/src/statestore/statestore.cc
File be/src/statestore/statestore.cc:

http://gerrit.cloudera.org:8080/#/c/21573/1/be/src/statestore/statestore.cc@1235
PS1, Line 1235:   return ends_with(topic, IMPALA_MEMBERSHIP_TOPIC)
> line too long (99 > 90)
Done


http://gerrit.cloudera.org:8080/#/c/21573/1/bin/start-impala-cluster.py
File bin/start-impala-cluster.py:

http://gerrit.cloudera.org:8080/#/c/21573/1/bin/start-impala-cluster.py@93
PS1, Line 93:                   help="Start additional impalad processes.")
> Can you expand on how this differs from --add-executors?
--add-executors just adds executors, not coordinators:
https://github.com/apache/impala/blob/c53987480726b114e0c3537c71297df2834a4962/bin/start-impala-cluster.py#L1119-L1121

So I add a new option to add abitratry impalads. But I need a hack at L1151 to 
set expected_num_ready_impalads. I think we'd better refactor this to have a 
formal option for adding a new cluster using the existing catalogd and 
statestore.


http://gerrit.cloudera.org:8080/#/c/21573/1/tests/common/custom_cluster_test_suite.py
File tests/common/custom_cluster_test_suite.py:

http://gerrit.cloudera.org:8080/#/c/21573/1/tests/common/custom_cluster_test_suite.py@312
PS1, Line 312:                             add_impalads=False,
> I don't see this option used anywhere yet.
It's used in the new test that I forgot to upload.


http://gerrit.cloudera.org:8080/#/c/21573/1/tests/common/impala_test_suite.py
File tests/common/impala_test_suite.py:

http://gerrit.cloudera.org:8080/#/c/21573/1/tests/common/impala_test_suite.py@323
PS1, Line 323:       host_port = host_ports[0]
> Why was this addition necessary?
IMPALAD_HOST_PORT_LIST just have 3 items. When we start more impalads, we need 
to calculate the ports based on the first item. This is used in the new test 
that I forgot to upload. Added it in PS2.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I2ff41539f568ef03c0ee2284762b4116b313d90f
Gerrit-Change-Number: 21573
Gerrit-PatchSet: 2
Gerrit-Owner: Quanlong Huang <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Michael Smith <[email protected]>
Gerrit-Reviewer: Quanlong Huang <[email protected]>
Gerrit-Comment-Date: Fri, 12 Jul 2024 00:42:38 +0000
Gerrit-HasComments: Yes

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