Couchbase Server

Not seeing "top-keys" on the destination cluster with XDCR replication

Details

  • Type: Bug Bug
  • Status: Closed Closed
  • Priority: Critical Critical
  • Resolution: Fixed
  • Affects Version/s: 2.0
  • Fix Version/s: 2.0
  • Component/s: couchbase-bucket
  • Security Level: Public
  • Labels:
    None
  • Environment:
    Unidirectional replication on build 2.0-1430
    2 clusters, 64 vbuckets

Description

Setup:

Setup a 2:2 node cluster with unidirectional replication.
Load 1000 items on source node.
Expect 1000 items replicated to the destination cluster. We see the 1000 items on the destination, but not seeing any items
displayed on the "Top Keys" as we see on the srouce node

Since from the destination end, ( replication will be treated like any other incoming load,) Should'nt we be able to view the "Top keys" on destination nodes as well?

Activity

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Junyi Xie added a comment -
Please assign to UI team, seems nothing to fix in XDCR.
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Junyi Xie added a comment - Please assign to UI team, seems nothing to fix in XDCR.
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Aleksey Kondratenko added a comment -
This is not UI bug either.

Most likely set-with-meta is not updating top keys in bucket engine. You can test yourself by issuing cbstats raw topkeys against node in destination cluster.
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Aleksey Kondratenko added a comment - This is not UI bug either. Most likely set-with-meta is not updating top keys in bucket engine. You can test yourself by issuing cbstats raw topkeys against node in destination cluster.
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Junyi Xie added a comment -
Tried ./cbstats raw topkeys on destination cluster but did not see any keys being replicated.

ep_engine should expose that getMeta/SetWithMeta/DelWithMeta to topkeys stats.



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Junyi Xie added a comment - Tried ./cbstats raw topkeys on destination cluster but did not see any keys being replicated. ep_engine should expose that getMeta/SetWithMeta/DelWithMeta to topkeys stats.
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Chiyoung Seo added a comment -
ep-engine doesn't maintain any top key related stats. It's a bucket engine side.
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Chiyoung Seo added a comment - ep-engine doesn't maintain any top key related stats. It's a bucket engine side.
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Chiyoung Seo added a comment -
Ketaki,

please assign this bug to the bucket engine team.
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Chiyoung Seo added a comment - Ketaki, please assign this bug to the bucket engine team.
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Ketaki Gangal added a comment -
Trond, could you take a look at this?
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Ketaki Gangal added a comment - Trond, could you take a look at this?
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Trond Norbye added a comment -
bucket_engine needs to look for "key" in the unknown-command handler and update the topkeys depending on it's presence.
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Trond Norbye added a comment - bucket_engine needs to look for "key" in the unknown-command handler and update the topkeys depending on it's presence.
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Trond Norbye added a comment -
http://review.couchbase.org/#change,19079
http://review.couchbase.org/#change,19080
http://review.couchbase.org/#change,19081
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Trond Norbye added a comment - http://review.couchbase.org/#change,19079 http://review.couchbase.org/#change,19080 http://review.couchbase.org/#change,19081
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Trond Norbye added a comment -
I've merged code that adds topkey info for more commands. Can you rerun your test to check if they pop up now (or if ns_server needs modifications to accumulate the new stats)
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Trond Norbye added a comment - I've merged code that adds topkey info for more commands. Can you rerun your test to check if they pop up now (or if ns_server needs modifications to accumulate the new stats)
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Thuan Nguyen added a comment -
Integrated in github-bucket-engine #61 (See [http://qa.hq.northscale.net/job/github-bucket-engine/61/])
    MB-5879: update topkeys in unknown command (Revision f8a656e24b2751c9c1a7cdcaa6a98d184819479e)

     Result = SUCCESS
Trond Norbye :
Files :
* testapp.c
* configure.ac
* mock_engine.c
* topkeys.h
* bucket_engine.c
Show
Thuan Nguyen added a comment - Integrated in github-bucket-engine #61 (See [ http://qa.hq.northscale.net/job/github-bucket-engine/61/ ])      MB-5879 : update topkeys in unknown command (Revision f8a656e24b2751c9c1a7cdcaa6a98d184819479e)      Result = SUCCESS Trond Norbye : Files : * testapp.c * configure.ac * mock_engine.c * topkeys.h * bucket_engine.c

People

  • Assignee:
    Ketaki Gangal
    Reporter:
    Ketaki Gangal
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Dates

  • Created:
    Updated:
    Resolved: