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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-8160) CF level option to call posix_fadvise for sstables on creation and startup
Date Sat, 25 Oct 2014 15:25:35 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-8160?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Ellis updated CASSANDRA-8160:
--------------------------------------
         Priority: Minor  (was: Critical)
    Fix Version/s: 2.1.2
         Assignee: Branimir Lambov
       Issue Type: New Feature  (was: Improvement)

> CF level option to call posix_fadvise for sstables on creation and startup
> --------------------------------------------------------------------------
>
>                 Key: CASSANDRA-8160
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8160
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Core
>            Reporter: Matt Stump
>            Assignee: Branimir Lambov
>            Priority: Minor
>             Fix For: 2.1.2
>
>
> We should have a CF level configuration with will result in posix_fadvise being called
for sstables for that CF. It should be called on node startup and for new sstables. This should
be configurable per CF to allow for some CFs to be prioritized above others. Not sure if we
should use POSIX_FADV_SEQUENTIAL or POSIX_FADV_WILLNEED. 



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