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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2013/07/31 00:21:49 UTC

[jira] [Commented] (HBASE-9093) Hbase client API: Restore the writeToWal method

    [ https://issues.apache.org/jira/browse/HBASE-9093?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13724511#comment-13724511 ] 

stack commented on HBASE-9093:
------------------------------

[~hshreedharan] Do you have a patch sir?  (On reflection, could you not save off the method instance found by reflection and just call it each time rather than look it up on each write?  Maybe you can't).  Would suggest you add it back w/ deprecated annotation.
                
> Hbase client API: Restore the writeToWal method
> -----------------------------------------------
>
>                 Key: HBASE-9093
>                 URL: https://issues.apache.org/jira/browse/HBASE-9093
>             Project: HBase
>          Issue Type: Bug
>          Components: Client
>    Affects Versions: 0.95.0
>            Reporter: Hari Shreedharan
>
> The writeToWal is used by downstream projects like Flume to disable writes to WAL to improve performance when durability is not strictly required. But renaming this method to setDurability forces us to use reflection to support hbase versions < 95 - which in turn hits performance, as this method needs to be called on every single write. I recommend adding the old method back as deprecated and removing it once hbase-95/96 becomes the popular version used in prod.

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