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From "Jesse Yates (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-2315) BookKeeper for write-ahead logging
Date Mon, 25 Jun 2012 16:53:46 GMT

    [ https://issues.apache.org/jira/browse/HBASE-2315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13400616#comment-13400616
] 

Jesse Yates commented on HBASE-2315:
------------------------------------

personally, I'd prefer to see a logical higher-level WAL interface and then have an FsWAL
subclass that might have some more specifics to make an easier match to an underlying FS implementation
(hadoop or otherwise). Maybe a bit more pain upfront, but will (likely) pay off in the end).
                
> BookKeeper for write-ahead logging
> ----------------------------------
>
>                 Key: HBASE-2315
>                 URL: https://issues.apache.org/jira/browse/HBASE-2315
>             Project: HBase
>          Issue Type: New Feature
>          Components: regionserver
>            Reporter: Flavio Junqueira
>         Attachments: HBASE-2315.patch, bookkeeperOverview.pdf, zookeeper-dev-bookkeeper.jar
>
>
> BookKeeper, a contrib of the ZooKeeper project, is a fault tolerant and high throughput
write-ahead logging service. This issue provides an implementation of write-ahead logging
for hbase using BookKeeper. Apart from expected throughput improvements, BookKeeper also has
stronger durability guarantees compared to the implementation currently used by hbase.

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