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Posted to dev@bookkeeper.apache.org by "Rakesh R (JIRA)" <ji...@apache.org> on 2012/06/08 07:44:23 UTC

[jira] [Updated] (BOOKKEEPER-272) Provide automatic mechanism to know bookie failures

     [ https://issues.apache.org/jira/browse/BOOKKEEPER-272?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rakesh R updated BOOKKEEPER-272:
--------------------------------

    Description: 
The idea is to build automatic mechanism to find out the bookie failures. Setup the bookie failure notifications to start the re-replication process.

There are multiple approaches to findout bookie failures. Please refer the documents attached in BookKeeper-237.

  was:
The idea is to form logical chain and each Bookie will be taking care each other. On any Bookie failure, his neighbour will act and initiate re-replication.

For example:
Assume we have 1,2,3,4,5,6 bookies and will be forming the following chain

01 <- 02 <- 03 <- 04 <- 05 <- 06 <- 01

Here, each one should take care of my immediate predecessor node. The lowest node should always care the highest node and is forming the logical closed chain.

Reference docs attached in BookKeeper-237.

        Summary: Provide automatic mechanism to know bookie failures  (was: Introduce chain of bookies for distributing the re-replication)

I have edited the JIRA subjectline inorder to reduce the scope of this task.
                
> Provide automatic mechanism to know bookie failures
> ---------------------------------------------------
>
>                 Key: BOOKKEEPER-272
>                 URL: https://issues.apache.org/jira/browse/BOOKKEEPER-272
>             Project: Bookkeeper
>          Issue Type: Sub-task
>          Components: bookkeeper-server
>            Reporter: Rakesh R
>            Assignee: Rakesh R
>         Attachments: BOOKKEEPER-272.1.patch, BOOKKEEPER-272.2.patch, BOOKKEEPER-272.patch
>
>
> The idea is to build automatic mechanism to find out the bookie failures. Setup the bookie failure notifications to start the re-replication process.
> There are multiple approaches to findout bookie failures. Please refer the documents attached in BookKeeper-237.

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