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https://issues.apache.org/jira/browse/CASSANDRA-15364?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marcus Eriksson updated CASSANDRA-15364:
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    Description: We currently list the data directory for every {REMOVE} record 
in the file in {LogFile.verify()} - this can get very expensive during startup 
when we call {LogTransaction.removeUnfinishedLeftovers()}. In 
{LogRecord.getExistingFiles(Set<String> absoluteFilePaths)} we also fully parse 
the file name of the sstables found, here we only need to prefix match.  (was: 
We currently list the data directory for every `REMOVE` record in the file in 
`LogFile.verify()` - this can get very expensive during startup when we call 
`LogTransaction.removeUnfinishedLeftovers()`. In 
`LogRecord.getExistingFiles(Set<String> absoluteFilePaths)` we also fully parse 
the file name of the sstables found, here we only need to prefix match.)

> Avoid over scanning data directories in LogFile.verify()
> --------------------------------------------------------
>
>                 Key: CASSANDRA-15364
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15364
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Marcus Eriksson
>            Assignee: Marcus Eriksson
>            Priority: Normal
>
> We currently list the data directory for every {REMOVE} record in the file in 
> {LogFile.verify()} - this can get very expensive during startup when we call 
> {LogTransaction.removeUnfinishedLeftovers()}. In 
> {LogRecord.getExistingFiles(Set<String> absoluteFilePaths)} we also fully 
> parse the file name of the sstables found, here we only need to prefix match.



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