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Posted to commits@cassandra.apache.org by "Benedict (JIRA)" <ji...@apache.org> on 2015/09/15 10:01:45 UTC

[jira] [Updated] (CASSANDRA-10322) skipBytes is used extensively, but is slow

     [ https://issues.apache.org/jira/browse/CASSANDRA-10322?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benedict updated CASSANDRA-10322:
---------------------------------
    Priority: Trivial  (was: Minor)

> skipBytes is used extensively, but is slow
> ------------------------------------------
>
>                 Key: CASSANDRA-10322
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10322
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Benedict
>            Assignee: Benedict
>            Priority: Trivial
>             Fix For: 3.0.x
>
>
> We skip a great deal to avoid materializing data. Ironically, however, skipping is just as (perhaps more) expensive, as it allocates a temporary array of the size of the number of bytes we want to skip.
> This trivial patch implements {{skipBytes}} more efficiently, and simplifies {{FileUtils.skipBytesFully}}



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