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https://issues.apache.org/jira/browse/SOLR-15146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17337836#comment-17337836
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Ilan Ginzburg edited comment on SOLR-15146 at 5/1/21, 4:29 PM:
---------------------------------------------------------------
[~mdrob] I see this test failing in a similar way earlier than April 17th. It
doesn't seem related to my changes. If you think otherwise, can you please
share more context?
In old repo March 7 this year:
??Build: [https://jenkins.thetaphi.de/job/Lucene-Solr-master-Linux/29630/]??
??Java: 64bit/jdk-13.0.2 -XX:-UseCompressedOops -XX:+UseParallelGC??
??2 tests failed.??
??FAILED:
org.apache.solr.client.solrj.io.stream.StreamDecoratorTest.testParallelPriorityStream??
??Error Message:??
??java.lang.AssertionError: expected:<8> but was:<4>??
??Stack Trace:??
??java.lang.AssertionError: expected:<8> but was:<4>??
?? at
__randomizedtesting.SeedInfo.seed([568BE78267F4F618:66F0565158B488BF]:0)??
?? at org.junit.Assert.fail(Assert.java:89)??
?? at org.junit.Assert.failNotEquals(Assert.java:835)??
?? at org.junit.Assert.assertEquals(Assert.java:647)??
?? at org.junit.Assert.assertEquals(Assert.java:633)??
?? at
org.apache.solr.client.solrj.io.stream.StreamDecoratorTest.testParallelPriorityStream(StreamDecoratorTest.java:2648)??
?? at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)??
In new repo April 7:
??Build: [https://jenkins.thetaphi.de/job/Solr-main-Linux/233/]??
??Java: 64bit/jdk-11.0.6 -XX:-UseCompressedOops -XX:+UseParallelGC??
??3 tests failed.??
??FAILED:
org.apache.solr.client.solrj.io.stream.StreamDecoratorTest.testParallelPriorityStream??
??Error Message:??
??java.lang.AssertionError: expected:<5> but was:<4>??
??Stack Trace:??
??java.lang.AssertionError: expected:<5> but was:<4>??
?? at
__randomizedtesting.SeedInfo.seed([A613324F91DBC694:9668839CAE9BB833]:0)??
?? at org.junit.Assert.fail(Assert.java:89)??
?? at org.junit.Assert.failNotEquals(Assert.java:835)??
?? at org.junit.Assert.assertEquals(Assert.java:647)??
?? at org.junit.Assert.assertEquals(Assert.java:633)??
?? at
org.apache.solr.client.solrj.io.stream.StreamDecoratorTest.testParallelPriorityStream(StreamDecoratorTest.java:2648)??
?? at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)??
was (Author: murblanc):
[~mdrob] I see this test failing in a similar way earlier than April 17th. It
doesn't seem related to my changes. If you think otherwise, can you please
share more context?
In old repo March 7 this year:
??Build: [https://jenkins.thetaphi.de/job/Lucene-Solr-master-Linux/29630/]??
??Java: 64bit/jdk-13.0.2 -XX:-UseCompressedOops -XX:+UseParallelGC??
??2 tests failed.??
??FAILED:
org.apache.solr.client.solrj.io.stream.StreamDecoratorTest.testParallelPriorityStream??
??Error Message:??
??java.lang.AssertionError: expected:<8> but was:<4>??
??Stack Trace:??
??java.lang.AssertionError: expected:<8> but was:<4>??
?? at
__randomizedtesting.SeedInfo.seed([568BE78267F4F618:66F0565158B488BF]:0)??
?? at org.junit.Assert.fail(Assert.java:89)??
?? at org.junit.Assert.failNotEquals(Assert.java:835)??
?? at org.junit.Assert.assertEquals(Assert.java:647)??
?? at org.junit.Assert.assertEquals(Assert.java:633)??
?? at
org.apache.solr.client.solrj.io.stream.StreamDecoratorTest.testParallelPriorityStream(StreamDecoratorTest.java:2648)??
?? at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)??
In new repo:
??Build: [https://jenkins.thetaphi.de/job/Solr-main-Linux/233/]??
??Java: 64bit/jdk-11.0.6 -XX:-UseCompressedOops -XX:+UseParallelGC??
??3 tests failed.??
??FAILED:
org.apache.solr.client.solrj.io.stream.StreamDecoratorTest.testParallelPriorityStream??
??Error Message:??
??java.lang.AssertionError: expected:<5> but was:<4>??
??Stack Trace:??
??java.lang.AssertionError: expected:<5> but was:<4>??
?? at
__randomizedtesting.SeedInfo.seed([A613324F91DBC694:9668839CAE9BB833]:0)??
?? at org.junit.Assert.fail(Assert.java:89)??
?? at org.junit.Assert.failNotEquals(Assert.java:835)??
?? at org.junit.Assert.assertEquals(Assert.java:647)??
?? at org.junit.Assert.assertEquals(Assert.java:633)??
?? at
org.apache.solr.client.solrj.io.stream.StreamDecoratorTest.testParallelPriorityStream(StreamDecoratorTest.java:2648)??
?? at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)??
> Distribute Collection API command execution
> -------------------------------------------
>
> Key: SOLR-15146
> URL: https://issues.apache.org/jira/browse/SOLR-15146
> Project: Solr
> Issue Type: Sub-task
> Components: SolrCloud
> Affects Versions: main (9.0)
> Reporter: Ilan Ginzburg
> Assignee: Ilan Ginzburg
> Priority: Major
> Labels: collection-api, overseer
> Time Spent: 40m
> Remaining Estimate: 0h
>
> Building on the distributed cluster state update changes (SOLR-14928), this
> ticket will distribute the Collection API so that commands can execute on any
> node (i.e. the node handling the request through {{CollectionsHandler}})
> without having to go through a Zookeeper queue and the Overseer.
> This is the second step (first was SOLR-14928) after which the Overseer
> could be removed (but the code keeps existing execution options so completion
> by no means Overseer is gone, but it could be removed in a future release).
> -There is a dependency on the distributed cluster state changes because the
> Overseer locking protecting same collection (or same shard) Collection API
> commands from executing concurrently will be replaced by optimistic locking
> of the collection {{state.json}} znodes (or other znodes that will eventually
> replace/augment {{state.json}}).-
> The goal of this ticket is threefold:
> * Simplify the code (running synchronously and not going through the
> Zookeeper queues and the Overseer dequeue logic is much simpler),
> * Lead to improved performance for most/all use cases (although this is a
> secondary goal, as long as performance is not degraded) and
> * Allow a future change (in another future Jira) to the way cluster state is
> cached on the nodes of the cluster (keep less information, be less dependent
> on Zookeeper watches, do not care about collections not present on the node).
> This future work will aim to significantly increase the scale (amount of
> collections) supported by SolrCloud.
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