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From "Mahadev konar (JIRA)" <j...@apache.org>
Subject [jira] Updated: (ZOOKEEPER-380) bookkeeper should have a streaming api so that its easier to store checpoints/snapshots in bookkeeper.
Date Mon, 04 May 2009 22:32:30 GMT

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-380?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mahadev konar updated ZOOKEEPER-380:
------------------------------------

    Status: Open  (was: Patch Available)

> bookkeeper should have a streaming api so that its easier to store checpoints/snapshots
in bookkeeper.
> ------------------------------------------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-380
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-380
>             Project: Zookeeper
>          Issue Type: Improvement
>          Components: contrib-bookkeeper
>    Affects Versions: 3.1.1, 3.1.0
>            Reporter: Mahadev konar
>            Assignee: Mahadev konar
>             Fix For: 3.2.0
>
>         Attachments: ZOOKEEPER-380.patch, ZOOKEEPER-380.patch, ZOOKEEPER-380.patch, ZOOKEEPER-380.patch,
ZOOKEEPER-380.patch, ZOOKEEPER-380.patch
>
>
> currently, bookkeeper api allows just a bytes interface which is 
> ld.write(bytes).
> We should have an interface like 
> Stream s = ledger.createStream() (I am not very sure of the interface right now but will
post a more concrete one after giving it a little more thought)
> now this stream can be used to wirte checkpoints as 
> s.write(bytes)
> and then closed to s.close() to close the snapshot. 
> This api could use the current api to implement snapshots as chunks of bytes (buffered
by stream s) that can be written via ld.write(bytes).

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