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From "Alex Zarutin (JIRA)" <>
Subject [jira] [Updated] (CASSANDRA-5555) Allow sstableloader to handle a larger number of files
Date Wed, 19 Jun 2013 05:31:21 GMT


Alex Zarutin updated CASSANDRA-5555:

    Attachment: cass_5555_pic_8.png

well, all we've done now is get to run the code that eliminates IndexSummary
it's going to take a new patch to eliminate that BufferedSegmentedFile
(c) Jonathan Ellis
> Allow sstableloader to handle a larger number of files
> ------------------------------------------------------
>                 Key: CASSANDRA-5555
>                 URL:
>             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, cass_5555_pic_8.png, 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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