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Posted to commits@cassandra.apache.org by "Jonathan Ellis (JIRA)" <ji...@apache.org> on 2012/07/06 20:02:33 UTC

[jira] [Updated] (CASSANDRA-4422) Humor 32bit JVMs

     [ https://issues.apache.org/jira/browse/CASSANDRA-4422?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Ellis updated CASSANDRA-4422:
--------------------------------------

    Attachment: 4422.txt

attached.
                
> Humor 32bit JVMs
> ----------------
>
>                 Key: CASSANDRA-4422
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4422
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 1.1.0
>            Reporter: Jonathan Ellis
>            Assignee: Jonathan Ellis
>            Priority: Minor
>              Labels: commitlog
>             Fix For: 1.1.3
>
>         Attachments: 4422.txt
>
>
> The commitlog rewrite for 1.1 uses mmap, anticipating multithreaded commitlog writes.  However, the default commitlog settings will quickly exhaust a 32bit address space.

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