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https://issues.apache.org/jira/browse/SOLR-12739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16644149#comment-16644149
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Steve Rowe commented on SOLR-12739:
-----------------------------------
{{CollectionsAPIDistributedZkTest.testCoresAreDistributedAcrossNodes()}} is
failing reproducibly (but only with a seed, and with no {{-Dtests.method}} on
the cmdline, so maybe another test in the suite isn't cleaning up properly
after itself?), and the first failing master commit is {{dbed8baf}} on this
issue. From [https://builds.apache.org/job/Lucene-Solr-Tests-master/2861/]:
{noformat}
Checking out Revision a52d47a1a5ca24bf090105388743a07ec985b399
(refs/remotes/origin/master)
[...]
[junit4] 2> NOTE: reproduce with: ant test
-Dtestcase=CollectionsAPIDistributedZkTest
-Dtests.method=testCoresAreDistributedAcrossNodes -Dtests.seed=104795730302867C
-Dtests.multiplier=2 -Dtests.slow=true -Dtests.locale=no-NO
-Dtests.timezone=Europe/Berlin -Dtests.asserts=true -Dtests.file.encoding=UTF-8
[junit4] FAILURE 5.84s J0 |
CollectionsAPIDistributedZkTest.testCoresAreDistributedAcrossNodes <<<
[junit4] > Throwable #1: java.lang.AssertionError: [127.0.0.1:38121_solr]
expected:<0> but was:<1>
[junit4] > at
__randomizedtesting.SeedInfo.seed([104795730302867C:7407401FB8CC0E6D]:0)
[junit4] > at
org.apache.solr.cloud.api.collections.CollectionsAPIDistributedZkTest.testCoresAreDistributedAcrossNodes(CollectionsAPIDistributedZkTest.java:352)
[junit4] > at java.lang.Thread.run(Thread.java:748)
{noformat}
> Make autoscaling policy based replica placement the default strategy for
> placing replicas
> -----------------------------------------------------------------------------------------
>
> Key: SOLR-12739
> URL: https://issues.apache.org/jira/browse/SOLR-12739
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Components: AutoScaling, SolrCloud
> Reporter: Shalin Shekhar Mangar
> Assignee: Shalin Shekhar Mangar
> Priority: Major
> Fix For: 7.6, master (8.0)
>
> Attachments: SOLR-12739.patch, SOLR-12739.patch, SOLR-12739.patch,
> SOLR-12739.patch, SOLR-12739.patch
>
>
> Today the default placement strategy is the same one used since Solr 4.x
> which is to select nodes on a round robin fashion. I propose to make the
> autoscaling policy based replica placement as the default policy for placing
> replicas.
> This is related to SOLR-12648 where even though we have default cluster
> preferences, we don't use them unless a policy is also configured.
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