[Bugs] [Bug 1218475] New: [FEAT] - Sharding xlator

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1218475

            Bug ID: 1218475
           Summary: [FEAT] - Sharding xlator
           Product: GlusterFS
           Version: 3.7.0
         Component: sharding
          Keywords: Triaged
          Assignee: kdhananj at redhat.com
          Reporter: kdhananj at redhat.com
        QA Contact: bugs at gluster.org
                CC: bugs at gluster.org, gluster-bugs at redhat.com,
                    sasundar at redhat.com
        Depends On: 1200082
            Blocks: 1199352 (glusterfs-3.7.0)



+++ This bug was initially created as a clone of Bug #1200082 +++

Description of problem:

This is a bug that is to be associated with the ongoing efforts w.r.t sharding
translator.

https://gist.github.com/avati/af04f1030dcf52e16535#sharding-xlator-stripe-20

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1.
2.
3.

Actual results:


Expected results:


Additional info:

--- Additional comment from Anand Avati on 2015-03-09 12:59:11 EDT ---

REVIEW: http://review.gluster.org/9841 (WIP: Sharding xlator) posted (#1) for
review on master by Krutika Dhananjay (kdhananj at redhat.com)

--- Additional comment from Anand Avati on 2015-03-16 11:24:51 EDT ---

REVIEW: http://review.gluster.org/9841 (WIP: Sharding xlator) posted (#2) for
review on master by Krutika Dhananjay (kdhananj at redhat.com)

--- Additional comment from Anand Avati on 2015-03-16 11:36:46 EDT ---

REVIEW: http://review.gluster.org/9841 (WIP: Sharding xlator) posted (#3) for
review on master by Krutika Dhananjay (kdhananj at redhat.com)

--- Additional comment from Anand Avati on 2015-03-19 05:35:42 EDT ---

REVIEW: http://review.gluster.org/9841 (WIP: Sharding xlator) posted (#4) for
review on master by Krutika Dhananjay (kdhananj at redhat.com)

--- Additional comment from Anand Avati on 2015-03-19 06:33:52 EDT ---

REVIEW: http://review.gluster.org/9841 (features/shard: Introducing sharding
translator) posted (#5) for review on master by Krutika Dhananjay
(kdhananj at redhat.com)

--- Additional comment from Anand Avati on 2015-03-19 07:43:26 EDT ---

REVIEW: http://review.gluster.org/9841 (features/shard: Introducing sharding
translator) posted (#6) for review on master by Pranith Kumar Karampuri
(pkarampu at redhat.com)

--- Additional comment from Anand Avati on 2015-03-19 13:59:35 EDT ---

COMMIT: http://review.gluster.org/9841 committed in master by Vijay Bellur
(vbellur at redhat.com) 
------
commit 6f389fbb812b384bdd9bf4a20e86930505531996
Author: Krutika Dhananjay <kdhananj at redhat.com>
Date:   Fri Nov 21 11:47:23 2014 +0530

    features/shard: Introducing sharding translator

    Based on the high-level design by Anand V. Avati which can be found @
   
https://gist.github.com/avati/af04f1030dcf52e16535#sharding-xlator-stripe-20

    Still to-do:
            * complete implementation of inode write fops - [f]truncate,
              zerofill, fallocate, discard
            * introduce transaction mechanism in inode write fops
            * complete readv
            * Handle open with O_TRUNC
            * Handle unlinking of all shards during unlink/rename
            * Compute total ia_size and ia_blocks in lookup, readdirp, etc
            * wind fsync/flush on all shards

            Note: Most of the items above are related. Once we come up
            with a clean way to determine the last shard/shard count for
            a file/file size and the mgmt of sparse regions of the file,
            implementing them becomes trivial.

    Change-Id: Id871379b53a4a916e4baa2e06f197dd8c0043b0f
    BUG: 1200082
    Signed-off-by: Krutika Dhananjay <kdhananj at redhat.com>
    Reviewed-on: http://review.gluster.org/9841
    Tested-by: Gluster Build System <jenkins at build.gluster.com>
    Reviewed-by: Vijay Bellur <vbellur at redhat.com>

--- Additional comment from Anand Avati on 2015-05-04 22:34:51 EDT ---

REVIEW: http://review.gluster.org/10537 (doc: Feature doc for shard translator)
posted (#1) for review on master by Krutika Dhananjay (kdhananj at redhat.com)


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1199352
[Bug 1199352] GlusterFS 3.7.0 tracker
https://bugzilla.redhat.com/show_bug.cgi?id=1200082
[Bug 1200082] [FEAT] - Sharding xlator
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