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Posted to commits@samza.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2017/08/03 18:53:01 UTC
[jira] [Commented] (SAMZA-1374) Implement Leader Election using Lease Blob in Azure

    [ https://issues.apache.org/jira/browse/SAMZA-1374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16113292#comment-16113292 ] 

ASF GitHub Bot commented on SAMZA-1374:
---------------------------------------

GitHub user PawasChhokra opened a pull request:

    https://github.com/apache/samza/pull/259

    SAMZA-1374: Implement Leader Election using Lease Blob in Azure

    PR 1: AzureClient + AzureConfig
    PR 2: LeaseBlobManager
    PR 3: BlobUtils + JobModelBundle
    PR 4: TableUtils + ProcessorEntity
    **PR 5: AzureLeaderElector** (current PR)

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/PawasChhokra/samza LeaderElection

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/samza/pull/259.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #259
    
----
commit 60eab4ec74f402a63bd76583077c2b6edd8cd1c7
Author: PawasChhokra <jaimatadi1$>
Date:   2017-08-02T07:55:05Z

    Update settings.gradle

commit 30a34c8ce9132dd9a81ddec5982b6f25aa092f97
Author: PawasChhokra <jaimatadi1$>
Date:   2017-08-02T08:00:21Z

    Update build.gradle

commit 16517858d9a2b6cee4fd537767ceb243f65b2ee1
Author: PawasChhokra <jaimatadi1$>
Date:   2017-08-02T08:04:55Z

    Add Azure Storage Client

commit bf88e20205af0dc01b7826eeaa71a8ea96b65fb0
Author: PawasChhokra <jaimatadi1$>
Date:   2017-08-02T17:46:17Z

    Add Azure Config

commit fb4835d4ed1eac08e473883c5d4b34ad2dfc51c3
Author: PawasChhokra <jaimatadi1$>
Date:   2017-08-02T21:25:15Z

    Update configuration-table

commit a62d9716cc473452c65ded2390440340338b2610
Author: PawasChhokra <jaimatadi1$>
Date:   2017-08-02T23:41:54Z

    Add lease utility class

commit 00f5f2c4360c13f2e4fdf7f4aa17c39bdd55eb54
Author: PawasChhokra <jaimatadi1$>
Date:   2017-08-03T06:47:03Z

    Add blob utils

commit dbfa26027055c9f465c024a901c72ffe73dcc5b6
Author: PawasChhokra <jaimatadi1$>
Date:   2017-08-03T07:06:14Z

    Add table utils

commit 0e84de60d5ebce26869c06d2a9ffacc43872669f
Author: PawasChhokra <jaimatadi1$>
Date:   2017-08-03T18:36:11Z

    Address review

commit 316cc4b407fe1d133daa52103abcf79cdef7ceda
Author: PawasChhokra <jaimatadi1$>
Date:   2017-08-03T18:50:15Z

    Add leader election functionality

----


> Implement Leader Election using Lease Blob in Azure
> ---------------------------------------------------
>
>                 Key: SAMZA-1374
>                 URL: https://issues.apache.org/jira/browse/SAMZA-1374
>             Project: Samza
>          Issue Type: New Feature
>            Reporter: Pawas Chhokra
>            Assignee: Pawas Chhokra
>
> A blob in Azure storage is used for storing large amounts of unstructured data. A Lease Blob is an operation that establishes and manages a lock on a blob for write and delete operations. Acquiring a lease on a blob that has already been leased by someone results in failure. We will use this operation to elect the leader when running in Azure



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