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https://issues.apache.org/jira/browse/CASSANDRA-20690?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sam Lightfoot updated CASSANDRA-20690:
--------------------------------------
Description:
Causing test infinite hangs for
_org.apache.cassandra.io.sstable.SSTableReaderTest#testSpannedIndexPositions_
Due to maxSize evaluating to 0, thus spinning forever inside the while loop.
The code was updated in late April, with the bug introduced in
[https://github.com/samueldlightfoot/cassandra/commit/12c5495d2f70e0775c6d8d1ffbd00123cc8923ed#diff-500229e3cd80c758761d257cf1145dff6b5f26fb63addeb4db6f789ba403d9aeL69-R186]
Current code
{code:java}
long maxSize = (long) (MAX_SEGMENT_SIZE / chunkSize) * chunkSize; {code}
Suggested fix
{code:java}
long maxSize = Math.max(chunkSize, (long) (MAX_SEGMENT_SIZE / chunkSize) *
chunkSize); {code}
was:
Causing test infinite hangs for
_org.apache.cassandra.io.sstable.SSTableReaderTest#testSpannedIndexPositions_
Due to maxSize evaluating to 0, thus spinning forever inside the while loop.
The code was updated in late April, with the bug introduced in
[https://github.com/samueldlightfoot/cassandra/commit/12c5495d2f70e0775c6d8d1ffbd00123cc8923ed#diff-500229e3cd80c758761d257cf1145dff6b5f26fb63addeb4db6f789ba403d9aeL69-R186]
> Infinite loop in MmappedRegions::updateState when MAX_SEGMENT_SIZE < chunkSize
> ------------------------------------------------------------------------------
>
> Key: CASSANDRA-20690
> URL: https://issues.apache.org/jira/browse/CASSANDRA-20690
> Project: Apache Cassandra
> Issue Type: Bug
> Reporter: Sam Lightfoot
> Priority: Normal
> Attachments: image-2025-05-29-16-49-33-253.png
>
>
> Causing test infinite hangs for
> _org.apache.cassandra.io.sstable.SSTableReaderTest#testSpannedIndexPositions_
> Due to maxSize evaluating to 0, thus spinning forever inside the while loop.
> The code was updated in late April, with the bug introduced in
> [https://github.com/samueldlightfoot/cassandra/commit/12c5495d2f70e0775c6d8d1ffbd00123cc8923ed#diff-500229e3cd80c758761d257cf1145dff6b5f26fb63addeb4db6f789ba403d9aeL69-R186]
> Current code
> {code:java}
> long maxSize = (long) (MAX_SEGMENT_SIZE / chunkSize) * chunkSize; {code}
> Suggested fix
> {code:java}
> long maxSize = Math.max(chunkSize, (long) (MAX_SEGMENT_SIZE / chunkSize) *
> chunkSize); {code}
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