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From "Marcus Eriksson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-10421) Potential issue with LogTransaction as it only checks in a single directory for files
Date Thu, 01 Oct 2015 06:11:04 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-10421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14939363#comment-14939363
] 

Marcus Eriksson commented on CASSANDRA-10421:
---------------------------------------------

Maybe we could lazily create the LogFiles when we do trackNew? And support multiple LogFiles
if we get files in separate directories

> 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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