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https://issues.apache.org/jira/browse/CASSANDRA-10421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14939662#comment-14939662
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Marcus Eriksson commented on CASSANDRA-10421:
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Actually 6696 was why I stumbled on this, for two reasons:
* I want to model flushing as a single transaction - this means writing files
to different data directories under a single txn. I guess this could be done as
multiple transactions though
* Compaction will at times need to write to multiple directories - after say
range movements or disk additions (to rebalance the tokens over the disks again)
> Potential issue with LogTransaction as it only checks in a single directory
> for files
> -------------------------------------------------------------------------------------
>
> Key: CASSANDRA-10421
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10421
> Project: Cassandra
> Issue Type: Bug
> Reporter: Marcus Eriksson
> Assignee: Stefania
>
> When creating a new LogTransaction we try to create the new logfile in the
> same directory as the one we are writing to, but as we use
> {{[directories.getDirectoryForNewSSTables()|https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/db/lifecycle/LogTransaction.java#L125]}}
> this might end up in "any" of the configured data directories. If it does,
> we will not be able to clean up leftovers as we check for files in the same
> directory as the logfile was created:
> https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/db/lifecycle/LogRecord.java#L163
> cc [~Stefania]
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