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  1. Couchbase Server
  2. MB-7518

[2.0.2 RN Done + Doc Drafted] Has multi-reader & writer per bucket that increases disk channel-level (i/o bandwidth) utilization

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      kzeller kzeller added a comment -

      What I meant is a configurable reader/writer is 2.1, while a under-the-hood multi-reader/writer is in 2.0.2.....

      Show
      kzeller kzeller added a comment - What I meant is a configurable reader/writer is 2.1, while a under-the-hood multi-reader/writer is in 2.0.2.....
      Hide
      kzeller kzeller added a comment -

      Added release note here:

      We now provide multiple readers and writers per data bucket for disk persistence. In the past, Couchbase
      Server had only one reader/writer per data bucket. This enhancement provides significant
      performance improvements for restoring data, replicating via XDCR, as well as rebalance.
      For more information, see <xref linkend="couchbase-introduction-architecture-diskstorage" />.

      Cross reference to content here:

      http://www.couchbase.com/docs/couchbase-manual-2.0/couchbase-introduction-architecture-diskstorage.html

      Show
      kzeller kzeller added a comment - Added release note here: We now provide multiple readers and writers per data bucket for disk persistence. In the past, Couchbase Server had only one reader/writer per data bucket. This enhancement provides significant performance improvements for restoring data, replicating via XDCR, as well as rebalance. For more information, see <xref linkend="couchbase-introduction-architecture-diskstorage" />. Cross reference to content here: http://www.couchbase.com/docs/couchbase-manual-2.0/couchbase-introduction-architecture-diskstorage.html
      Hide
      maria Maria McDuff (Inactive) added a comment -

      abhinav, pls review/approve these doc changes on mrw. once you are done with that, pls close this bug. Thanks.

      Show
      maria Maria McDuff (Inactive) added a comment - abhinav, pls review/approve these doc changes on mrw. once you are done with that, pls close this bug. Thanks.
      Hide
      abhinav Abhinav Dangeti added a comment -

      As of 802.

      Show
      abhinav Abhinav Dangeti added a comment - As of 802.
      Hide
      thuan Thuan Nguyen added a comment -

      Integrated in github-ep-engine-2-0 #488 (See http://qa.hq.northscale.net/job/github-ep-engine-2-0/488/)
      MB-7518: Only snapshot vbuckets from a particular shard (Revision 9d98cca50b682b636dcd7fc1812ac2bfc587be1f)
      MB-7518: Remove ep_db_init stat (Revision 0f9cb2e88cdde2a824250a48fa49348b465f996b)
      MB-7518: Fix snapshotVbuckets logic that was broken by prev change (Revision b27577b5e1f476a50432b5f57549821b2c189cc6)

      Result = SUCCESS
      Mike Wiederhold :
      Files :

      • src/kvshard.cc
      • src/ep.cc
      • src/kvshard.hh

      Mike Wiederhold :
      Files :

      • src/ep_engine.cc
      • docs/stats.org
      • src/ep_engine.h

      Mike Wiederhold :
      Files :

      • src/kvshard.cc
      • src/kvshard.hh
      • src/ep.cc
      Show
      thuan Thuan Nguyen added a comment - Integrated in github-ep-engine-2-0 #488 (See http://qa.hq.northscale.net/job/github-ep-engine-2-0/488/ ) MB-7518 : Only snapshot vbuckets from a particular shard (Revision 9d98cca50b682b636dcd7fc1812ac2bfc587be1f) MB-7518 : Remove ep_db_init stat (Revision 0f9cb2e88cdde2a824250a48fa49348b465f996b) MB-7518 : Fix snapshotVbuckets logic that was broken by prev change (Revision b27577b5e1f476a50432b5f57549821b2c189cc6) Result = SUCCESS Mike Wiederhold : Files : src/kvshard.cc src/ep.cc src/kvshard.hh Mike Wiederhold : Files : src/ep_engine.cc docs/stats.org src/ep_engine.h Mike Wiederhold : Files : src/kvshard.cc src/kvshard.hh src/ep.cc

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        • Assignee:
          abhinav Abhinav Dangeti
          Reporter:
          jin Jin Lim
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            Updated:
            Resolved:

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