[jira] Updated: (HBASE-2315) BookKeeper for write-ahead logging

["Flavio Paiva Junqueira (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-2315?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Flavio Paiva Junqueira updated HBASE-2315:
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    Attachment: HBASE-2315.patch

I'm attaching a preliminary patch. I haven't tested extensively, but it works in my small setup with one computer running hbase+dfs, three bookies, and one zookeeper server. 

> BookKeeper for write-ahead logging
> ----------------------------------
>
>                 Key: HBASE-2315
>                 URL: https://issues.apache.org/jira/browse/HBASE-2315
>             Project: Hadoop HBase
>          Issue Type: New Feature
>          Components: regionserver
>            Reporter: Flavio Paiva Junqueira
>         Attachments: HBASE-2315.patch
>
>
> 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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