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From "Alex Zarutin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-5555) Allow sstableloader to handle a larger number of files
Date Mon, 10 Jun 2013 20:14:21 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-5555?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alex Zarutin updated CASSANDRA-5555:
------------------------------------

    Attachment: CASSANDRA-5555.txt

Updated repro steps. Reviewed by Mike Bulman
                
> Allow sstableloader to handle a larger number of files
> ------------------------------------------------------
>
>                 Key: CASSANDRA-5555
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5555
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core, Tools
>            Reporter: Tyler Hobbs
>            Assignee: Jonathan Ellis
>             Fix For: 1.2.6
>
>         Attachments: 5555-01.txt, 5555-02.txt, CASSANDRA-5555.txt, CASSANDRA-5555.txt
>
>
> With the default heap size, sstableloader will OOM when there are roughly 25k files in
the directory to load.  It's easy to reach this number of files in a single LCS column family.
> By avoiding creating all SSTableReaders up front in SSTableLoader, we should be able
to increase the number of files that sstableloader can handle considerably.

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