[jira] [Commented] (CASSANDRA-19572) Test failure: org.apache.cassandra.db.ImportTest flakiness

2024-04-24 Thread Stefan Miklosovic (Jira)


[ 
https://issues.apache.org/jira/browse/CASSANDRA-19572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17840335#comment-17840335
 ] 

Stefan Miklosovic commented on CASSANDRA-19572:
---

Making the logic in afterTest synchronous failed a bunch of other unit tests. I 
am just going with a simple afterTest with SSTableReader.resetTidying() in it.

> Test failure: org.apache.cassandra.db.ImportTest flakiness
> --
>
> Key: CASSANDRA-19572
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19572
> Project: Cassandra
>  Issue Type: Bug
>  Components: Tool/bulk load
>Reporter: Brandon Williams
>Assignee: Stefan Miklosovic
>Priority: Normal
> Fix For: 4.0.x, 4.1.x, 5.0.x, 5.x
>
>
> As discovered on CASSANDRA-19401, the tests in this class are flaky, at least 
> the following:
>  * testImportCorruptWithoutValidationWithCopying
>  * testImportInvalidateCache
>  * testImportCorruptWithCopying
>  * testImportCacheEnabledWithoutSrcDir
> [https://app.circleci.com/pipelines/github/instaclustr/cassandra/4199/workflows/a70b41d8-f848-4114-9349-9a01ac082281/jobs/223621/tests]



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[jira] [Commented] (CASSANDRA-19572) Test failure: org.apache.cassandra.db.ImportTest flakiness

2024-04-23 Thread Stefan Miklosovic (Jira)


[ 
https://issues.apache.org/jira/browse/CASSANDRA-19572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17840220#comment-17840220
 ] 

Stefan Miklosovic commented on CASSANDRA-19572:
---

OK so more digging ... I was trying to put into each afterTest 
"SSTableReader.resetTidying();" and it did help, below is each job with 5k 
repetitions.

4.0 
https://app.circleci.com/pipelines/github/instaclustr/cassandra/4223/workflows/a82d0483-a0df-44ed-8127-088b303c78ba/jobs/225432/steps
4.1 
https://app.circleci.com/pipelines/github/instaclustr/cassandra/4224/workflows/eae7a5e2-89dd-46cd-aaca-1e4250d0fa8b/jobs/225531/steps
5.0 j11 
https://app.circleci.com/pipelines/github/instaclustr/cassandra/4226/workflows/9805ec75-fd02-4c5a-8996-fa5bce71e8c2/jobs/225728/steps
5.0 j17 
https://app.circleci.com/pipelines/github/instaclustr/cassandra/4226/workflows/9805ec75-fd02-4c5a-8996-fa5bce71e8c2/jobs/225727/steps

However, I just noticed that there is already afterTest in CQLTester which 
ImportTest extends and I was _not_ calling it (super.afterTest()) in my 
afterTest. What CQLTester's afterTest does is this (1). It removes the tables 
and it deletes all SSTables on the disk, so I guess it also calls tidying, just 
by other means, but that whole operation runs in 
ScheduledExecutors.optionalTasks which is asynchronous.

So, what happens, when we run a test method, then afterTest is invoked and 
removal is done asynchronously? Then JUnit does not wait until is is finished, 
right? I think that this work then might leaks beyond the scope of afterTest 
and a new test is run etc ... I fee uneasy about this and that is probably the 
real cause of the issues we see when it comes to these refs. 

What I am doing right now is that I am tidying it up before calling 
super.afterTest and I run multiplex on 4.0 again. If it fails, I guess the next 
step will be to run the logic in afterTest synchronously.

(1) 
https://github.com/apache/cassandra/blob/cassandra-4.1/test/unit/org/apache/cassandra/cql3/CQLTester.java#L417-L433

> Test failure: org.apache.cassandra.db.ImportTest flakiness
> --
>
> Key: CASSANDRA-19572
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19572
> Project: Cassandra
>  Issue Type: Bug
>  Components: Tool/bulk load
>Reporter: Brandon Williams
>Assignee: Stefan Miklosovic
>Priority: Normal
> Fix For: 4.0.x, 4.1.x, 5.0.x, 5.x
>
>
> As discovered on CASSANDRA-19401, the tests in this class are flaky, at least 
> the following:
>  * testImportCorruptWithoutValidationWithCopying
>  * testImportInvalidateCache
>  * testImportCorruptWithCopying
>  * testImportCacheEnabledWithoutSrcDir
> [https://app.circleci.com/pipelines/github/instaclustr/cassandra/4199/workflows/a70b41d8-f848-4114-9349-9a01ac082281/jobs/223621/tests]



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[jira] [Commented] (CASSANDRA-19572) Test failure: org.apache.cassandra.db.ImportTest flakiness

2024-04-23 Thread Stefan Miklosovic (Jira)


[ 
https://issues.apache.org/jira/browse/CASSANDRA-19572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17840112#comment-17840112
 ] 

Stefan Miklosovic commented on CASSANDRA-19572:
---

I have clean 5k here 
https://app.circleci.com/pipelines/github/instaclustr/cassandra/4223/workflows/a82d0483-a0df-44ed-8127-088b303c78ba/jobs/225432/steps

I put SSTableReader.resetTidying() into "after test", I noticed that in 
"after", there are still uncleared references and cleaning them up seem to help.

I will prepare other branches.

> Test failure: org.apache.cassandra.db.ImportTest flakiness
> --
>
> Key: CASSANDRA-19572
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19572
> Project: Cassandra
>  Issue Type: Bug
>  Components: Tool/bulk load
>Reporter: Brandon Williams
>Priority: Normal
> Fix For: 4.0.x, 4.1.x, 5.0.x, 5.x
>
>
> As discovered on CASSANDRA-19401, the tests in this class are flaky, at least 
> the following:
>  * testImportCorruptWithoutValidationWithCopying
>  * testImportInvalidateCache
>  * testImportCorruptWithCopying
>  * testImportCacheEnabledWithoutSrcDir
> [https://app.circleci.com/pipelines/github/instaclustr/cassandra/4199/workflows/a70b41d8-f848-4114-9349-9a01ac082281/jobs/223621/tests]



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[jira] [Commented] (CASSANDRA-19572) Test failure: org.apache.cassandra.db.ImportTest flakiness

2024-04-23 Thread Stefan Miklosovic (Jira)


[ 
https://issues.apache.org/jira/browse/CASSANDRA-19572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17840013#comment-17840013
 ] 

Stefan Miklosovic commented on CASSANDRA-19572:
---

[~marcuse] There is already something about "releasing" SSTables here, I wonder 
what was your thought process behind that as that is the part of the 
functionality where it is failing. What's the context?

(1) 
https://github.com/apache/cassandra/blob/cassandra-4.0/test/unit/org/apache/cassandra/db/ImportTest.java#L235

> Test failure: org.apache.cassandra.db.ImportTest flakiness
> --
>
> Key: CASSANDRA-19572
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19572
> Project: Cassandra
>  Issue Type: Bug
>  Components: Tool/bulk load
>Reporter: Brandon Williams
>Priority: Normal
> Fix For: 4.0.x, 4.1.x, 5.0.x, 5.x
>
>
> As discovered on CASSANDRA-19401, the tests in this class are flaky, at least 
> the following:
>  * testImportCorruptWithoutValidationWithCopying
>  * testImportInvalidateCache
>  * testImportCorruptWithCopying
>  * testImportCacheEnabledWithoutSrcDir
>  * testImportInvalidateCache
> [https://app.circleci.com/pipelines/github/instaclustr/cassandra/4199/workflows/a70b41d8-f848-4114-9349-9a01ac082281/jobs/223621/tests]



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[jira] [Commented] (CASSANDRA-19572) Test failure: org.apache.cassandra.db.ImportTest flakiness

2024-04-23 Thread Marcus Eriksson (Jira)


[ 
https://issues.apache.org/jira/browse/CASSANDRA-19572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17839994#comment-17839994
 ] 

Marcus Eriksson commented on CASSANDRA-19572:
-

sorry, don't remember seeing these errors

> Test failure: org.apache.cassandra.db.ImportTest flakiness
> --
>
> Key: CASSANDRA-19572
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19572
> Project: Cassandra
>  Issue Type: Bug
>  Components: Tool/bulk load
>Reporter: Brandon Williams
>Priority: Normal
> Fix For: 4.0.x, 4.1.x, 5.0.x, 5.x
>
>
> As discovered on CASSANDRA-19401, the tests in this class are flaky, at least 
> the following:
>  * testImportCorruptWithoutValidationWithCopying
>  * testImportInvalidateCache
>  * testImportCorruptWithCopying
>  * testImportCacheEnabledWithoutSrcDir
>  * testImportInvalidateCache
> [https://app.circleci.com/pipelines/github/instaclustr/cassandra/4199/workflows/a70b41d8-f848-4114-9349-9a01ac082281/jobs/223621/tests]



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[jira] [Commented] (CASSANDRA-19572) Test failure: org.apache.cassandra.db.ImportTest flakiness

2024-04-22 Thread Stefan Miklosovic (Jira)


[ 
https://issues.apache.org/jira/browse/CASSANDRA-19572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17839858#comment-17839858
 ] 

Stefan Miklosovic commented on CASSANDRA-19572:
---

[~marcuse] any ideas how to fix this? You wrote that test.

> Test failure: org.apache.cassandra.db.ImportTest flakiness
> --
>
> Key: CASSANDRA-19572
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19572
> Project: Cassandra
>  Issue Type: Bug
>  Components: Tool/bulk load
>Reporter: Brandon Williams
>Priority: Normal
> Fix For: 4.0.x, 4.1.x, 5.0.x, 5.x
>
>
> As discovered on CASSANDRA-19401, the tests in this class are flaky, at least 
> the following:
>  * testImportCorruptWithoutValidationWithCopying
>  * testImportInvalidateCache
>  * testImportCorruptWithCopying
>  * testImportCacheEnabledWithoutSrcDir
>  * testImportInvalidateCache
> [https://app.circleci.com/pipelines/github/instaclustr/cassandra/4199/workflows/a70b41d8-f848-4114-9349-9a01ac082281/jobs/223621/tests]



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[jira] [Commented] (CASSANDRA-19572) Test failure: org.apache.cassandra.db.ImportTest flakiness

2024-04-22 Thread Stefan Miklosovic (Jira)


[ 
https://issues.apache.org/jira/browse/CASSANDRA-19572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17839857#comment-17839857
 ] 

Stefan Miklosovic commented on CASSANDRA-19572:
---

I tried to fix this just for one test, testImportInvalidateCache, by callgin 
resetTidying() before each load but it still fails

{code}
ERROR [main] 2024-04-22 21:02:10,706 Failed importing sstables in directory 
/tmp/importtest2511606450027946118/cql_test_keyspace/table_00
java.lang.AssertionError: null
at 
org.apache.cassandra.utils.concurrent.Ref$State.assertNotReleased(Ref.java:196)
at org.apache.cassandra.utils.concurrent.Ref.ref(Ref.java:152)
at 
org.apache.cassandra.io.sstable.format.SSTableReader$GlobalTidy.get(SSTableReader.java:2196)
at 
org.apache.cassandra.io.sstable.format.SSTableReader$InstanceTidier.setup(SSTableReader.java:2028)
at 
org.apache.cassandra.io.sstable.format.SSTableReader.setup(SSTableReader.java:1971)
at 
org.apache.cassandra.io.sstable.format.SSTableReaderBuilder$ForRead.build(SSTableReaderBuilder.java:370)
at 
org.apache.cassandra.io.sstable.format.SSTableReader.open(SSTableReader.java:501)
at 
org.apache.cassandra.io.sstable.format.SSTableReader.open(SSTableReader.java:372)
at 
org.apache.cassandra.db.SSTableImporter.getTargetDirectory(SSTableImporter.java:213)
at 
org.apache.cassandra.db.SSTableImporter.importNewSSTables(SSTableImporter.java:135)
at org.apache.cassandra.db.ImportTest.load(ImportTest.java:484)
at 
org.apache.cassandra.db.ImportTest.testImportInvalidateCache(ImportTest.java:543)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
{code}



> Test failure: org.apache.cassandra.db.ImportTest flakiness
> --
>
> Key: CASSANDRA-19572
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19572
> Project: Cassandra
>  Issue Type: Bug
>  Components: Tool/bulk load
>Reporter: Brandon Williams
>Assignee: Stefan Miklosovic
>Priority: Normal
> Fix For: 4.0.x, 4.1.x, 5.0.x, 5.x
>
>
> As discovered on CASSANDRA-19401, the tests in this class are flaky, at least 
> the following:
>  * testImportCorruptWithoutValidationWithCopying
>  * testImportInvalidateCache
>  * testImportCorruptWithCopying
>  * testImportCacheEnabledWithoutSrcDir
>  * testImportInvalidateCache
> [https://app.circleci.com/pipelines/github/instaclustr/cassandra/4199/workflows/a70b41d8-f848-4114-9349-9a01ac082281/jobs/223621/tests]



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[jira] [Commented] (CASSANDRA-19572) Test failure: org.apache.cassandra.db.ImportTest flakiness

2024-04-22 Thread Stefan Miklosovic (Jira)


[ 
https://issues.apache.org/jira/browse/CASSANDRA-19572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17839812#comment-17839812
 ] 

Stefan Miklosovic commented on CASSANDRA-19572:
---

I still see 

{code}
testImportCacheEnabledWithoutSrcDir
junit.framework.AssertionFailedError: expected:<1> but was:<2>
at 
org.apache.cassandra.db.ImportTest.testImportCacheEnabledWithoutSrcDir(ImportTest.java:562)
{code}
and 
{code}
junit.framework.AssertionFailedError: expected:<10> but was:<20>
at 
org.apache.cassandra.db.ImportTest.testImportInvalidateCache(ImportTest.java:537)
{code}

nevethless I think this is already a progress. 

> Test failure: org.apache.cassandra.db.ImportTest flakiness
> --
>
> Key: CASSANDRA-19572
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19572
> Project: Cassandra
>  Issue Type: Bug
>  Components: Tool/bulk load
>Reporter: Brandon Williams
>Assignee: Stefan Miklosovic
>Priority: Normal
> Fix For: 4.0.x, 4.1.x, 5.0.x, 5.x
>
>
> As discovered on CASSANDRA-19401, the tests in this class are flaky, at least 
> the following:
>  * testImportCorruptWithoutValidationWithCopying
>  * testImportInvalidateCache
>  * testImportCorruptWithCopying
>  * testImportCacheEnabledWithoutSrcDir
>  * testImportInvalidateCache
> [https://app.circleci.com/pipelines/github/instaclustr/cassandra/4199/workflows/a70b41d8-f848-4114-9349-9a01ac082281/jobs/223621/tests]



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[jira] [Commented] (CASSANDRA-19572) Test failure: org.apache.cassandra.db.ImportTest flakiness

2024-04-22 Thread Stefan Miklosovic (Jira)


[ 
https://issues.apache.org/jira/browse/CASSANDRA-19572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17839797#comment-17839797
 ] 

Stefan Miklosovic commented on CASSANDRA-19572:
---

I think I am onto something. I check the logs from the build for plain 4.0 
(without patch in 19401) and the first one is very interesting 
(testImportCorruptWithCopying) (1)

It fails on:
{code:java}
junit.framework.AssertionFailedError: 
expected:<[/tmp/importtest7641524017208283450/cql_test_keyspace/table_15-005af720fd9511ee865eef8364010360]>
 but 
was:<[/tmp/importtest7641524017208283450/cql_test_keyspace/table_15-005af720fd9511ee865eef8364010360,
 
/tmp/importtest916153905487802965/cql_test_keyspace/table_15-005af720fd9511ee865eef8364010360]>
at 
org.apache.cassandra.db.ImportTest.testCorruptHelper(ImportTest.java:341)
at 
org.apache.cassandra.db.ImportTest.testImportCorruptWithCopying(ImportTest.java:384)
 {code}
That test is expecting only one directory of sstables to be imported to be 
failed and another it expects to be loaded just fine, but here we clearly see 
that it failed to import {_}both{_}. I was checking the raw logs and I was 
quite lucky to find it, it is in this one (2). Grep it on exactly this 
timestamp:
{code}
ERROR [main] 2024-04-18 15:04:49,454 SSTableImporter.java:102
{code}
There you see that it failed to import the directory which it is not supposed 
to, that is the first stacktrace, but below it, there is another one:
{code}
[junit-timeout] ERROR [main] 2024-04-18 15:04:49,469 SSTableImporter.java:147 - 
Failed importing sstables in directory 
/tmp/importtest916153905487802965/cql_test_keyspace/table_15-005af720fd9511ee865eef8364010360
[junit-timeout] java.lang.AssertionError: null
[junit-timeout] at 
org.apache.cassandra.utils.concurrent.Ref$State.assertNotReleased(Ref.java:196)
[junit-timeout] at 
org.apache.cassandra.utils.concurrent.Ref.ref(Ref.java:152)
[junit-timeout] at 
org.apache.cassandra.io.sstable.format.SSTableReader$GlobalTidy.get(SSTableReader.java:2196)
[junit-timeout] at 
org.apache.cassandra.io.sstable.format.SSTableReader$InstanceTidier.setup(SSTableReader.java:2028)
[junit-timeout] at 
org.apache.cassandra.io.sstable.format.SSTableReader.setup(SSTableReader.java:1971)
[junit-timeout] at 
org.apache.cassandra.io.sstable.format.SSTableReaderBuilder$ForRead.build(SSTableReaderBuilder.java:370)
[junit-timeout] at 
org.apache.cassandra.io.sstable.format.SSTableReader.open(SSTableReader.java:501)
[junit-timeout] at 
org.apache.cassandra.io.sstable.format.SSTableReader.open(SSTableReader.java:372)
[junit-timeout] at 
org.apache.cassandra.db.SSTableImporter.getTargetDirectory(SSTableImporter.java:211)
[junit-timeout] at 
org.apache.cassandra.db.SSTableImporter.importNewSSTables(SSTableImporter.java:135)
[junit-timeout] at 
org.apache.cassandra.db.ImportTest.testCorruptHelper(ImportTest.java:340)
[junit-timeout] at 
org.apache.cassandra.db.ImportTest.testImportCorruptWithCopying(ImportTest.java:384)
[junit-timeout] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method)
[junit-timeout] at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
{code}

Here we see that it was asserting that sstable reader is not released but it 
failed because it seems it is. That release is happening here (3).

I run the multiplexer on this (4) test for 3000x (5) and it all passed. I think 
we should just call "SSTableReader.resetTidying();". That method is actually 
annotated with VisibleForTesting. I think that resetting the tidying will clear 
underlying map of references so it will not complain afterwards. It is probably 
some concurrent thing or similar ... 

(1) 
[https://app.circleci.com/pipelines/github/instaclustr/cassandra/4199/workflows/a70b41d8-f848-4114-9349-9a01ac082281/jobs/223621/tests]
(2) 
[https://circleci.com/api/v1.1/project/github/instaclustr/cassandra/223621/output/103/11?file=true=662134c47c6ecf4bb1db4681-11-build%2FABCDEFGH]
(3) 
[https://github.com/apache/cassandra/blob/cassandra-4.0/test/unit/org/apache/cassandra/db/ImportTest.java#L235]
(4) 
https://github.com/apache/cassandra/pull/3264/commits/d934e1c0f40353a12cd7588fc8a15a23d35d6a30
(5) 
https://app.circleci.com/pipelines/github/instaclustr/cassandra/4210/workflows/eea52e61-b670-4dc9-86b6-b07bf1030b09/jobs/224285

> Test failure: org.apache.cassandra.db.ImportTest flakiness
> --
>
> Key: CASSANDRA-19572
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19572
> Project: Cassandra
>  Issue Type: Bug
>  Components: Tool/bulk load
>Reporter: Brandon Williams
>Priority: Normal
> Fix For: 4.0.x, 4.1.x, 5.0.x, 5.x
>
>
> As discovered on 

[jira] [Commented] (CASSANDRA-19572) Test failure: org.apache.cassandra.db.ImportTest flakiness

2024-04-22 Thread Brandon Williams (Jira)


[ 
https://issues.apache.org/jira/browse/CASSANDRA-19572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17839672#comment-17839672
 ] 

Brandon Williams commented on CASSANDRA-19572:
--

Yes, it is.

> Test failure: org.apache.cassandra.db.ImportTest flakiness
> --
>
> Key: CASSANDRA-19572
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19572
> Project: Cassandra
>  Issue Type: Bug
>  Components: Tool/bulk load
>Reporter: Brandon Williams
>Priority: Normal
> Fix For: 4.0.x, 4.1.x, 5.0.x, 5.x
>
>
> As discovered on CASSANDRA-19401, the tests in this class are flaky, at least 
> the following:
>  * testImportCorruptWithoutValidationWithCopying
>  * testImportInvalidateCache
>  * testImportCorruptWithCopying
>  * testImportCacheEnabledWithoutSrcDir
>  * testImportInvalidateCache
> [https://app.circleci.com/pipelines/github/instaclustr/cassandra/4199/workflows/a70b41d8-f848-4114-9349-9a01ac082281/jobs/223621/tests]



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[jira] [Commented] (CASSANDRA-19572) Test failure: org.apache.cassandra.db.ImportTest flakiness

2024-04-22 Thread Stefan Miklosovic (Jira)


[ 
https://issues.apache.org/jira/browse/CASSANDRA-19572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17839671#comment-17839671
 ] 

Stefan Miklosovic commented on CASSANDRA-19572:
---

[~brandon.williams] do you still consider this to be a blocker for 
CASSANDRA-19401. I do not know what to make of it after your last comment in 
this ticket.

> Test failure: org.apache.cassandra.db.ImportTest flakiness
> --
>
> Key: CASSANDRA-19572
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19572
> Project: Cassandra
>  Issue Type: Bug
>  Components: Tool/bulk load
>Reporter: Brandon Williams
>Priority: Normal
> Fix For: 4.0.x, 4.1.x, 5.0.x, 5.x
>
>
> As discovered on CASSANDRA-19401, the tests in this class are flaky, at least 
> the following:
>  * testImportCorruptWithoutValidationWithCopying
>  * testImportInvalidateCache
>  * testImportCorruptWithCopying
>  * testImportCacheEnabledWithoutSrcDir
>  * testImportInvalidateCache
> [https://app.circleci.com/pipelines/github/instaclustr/cassandra/4199/workflows/a70b41d8-f848-4114-9349-9a01ac082281/jobs/223621/tests]



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[jira] [Commented] (CASSANDRA-19572) Test failure: org.apache.cassandra.db.ImportTest flakiness

2024-04-18 Thread Brandon Williams (Jira)


[ 
https://issues.apache.org/jira/browse/CASSANDRA-19572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17838805#comment-17838805
 ] 

Brandon Williams commented on CASSANDRA-19572:
--

I haven't been able to repro these - I have a suspicion they may only occur in 
circle, and only when run in the suite since I didn't repro a specific test in 
5k attempts 
[here|https://app.circleci.com/pipelines/github/driftx/cassandra/1586/workflows/2f172253-80a8-4c5f-b299-174067f0c4c6/jobs/84768/tests]
 or 
[here|https://app.circleci.com/pipelines/github/driftx/cassandra/1589/workflows/868187b9-32e5-49ce-98a4-db4b9c48d148/jobs/85046/tests].

> Test failure: org.apache.cassandra.db.ImportTest flakiness
> --
>
> Key: CASSANDRA-19572
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19572
> Project: Cassandra
>  Issue Type: Bug
>  Components: Tool/bulk load
>Reporter: Brandon Williams
>Priority: Normal
> Fix For: 4.0.x, 4.1.x, 5.0.x, 5.x
>
>
> As discovered on CASSANDRA-19401, the tests in this class are flaky, at least 
> the following:
>  * testImportCorruptWithoutValidationWithCopying
>  * testImportInvalidateCache
>  * testImportCorruptWithCopying
>  * testImportCacheEnabledWithoutSrcDir
>  * testImportInvalidateCache
> [https://app.circleci.com/pipelines/github/instaclustr/cassandra/4199/workflows/a70b41d8-f848-4114-9349-9a01ac082281/jobs/223621/tests]



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