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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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