Last modified: 2013-09-26 15:09:50 UTC

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Bug 53039 - CirrusSearch: When there isn't much data in the wiki result sorting can be wildly wrong
CirrusSearch: When there isn't much data in the wiki result sorting can be wi...
Status: VERIFIED FIXED
Product: MediaWiki extensions
Classification: Unclassified
CirrusSearch (Other open bugs)
unspecified
All All
: High normal (vote)
: ---
Assigned To: Nobody - You can work on this!
:
Depends on:
Blocks:
  Show dependency tree / graph
 
Reported: 2013-08-19 14:13 UTC by Nik Everett
Modified: 2013-09-26 15:09 UTC (History)
2 users (show)

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---

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Description Nik Everett 2013-08-19 14:13:13 UTC 
When there isn't much data in the index result sorting can be wildly wrong.  The simplest way to fix this is to only use a single shard for really small wikis.  We could also fix it by adding an extra query parameter to searches for small wikis.  Read more here:  http://www.elasticsearch.org/blog/understanding-query-then-fetch-vs-dfs-query-then-fetch/
Comment 1 Nik Everett 2013-08-19 14:14:45 UTC 
Note that this shouldn't be a problem in production because there will be "enough" data but it makes tests fail spuriously.
Comment 2 Nik Everett 2013-08-19 14:15:09 UTC 
Assigning high because it causes my tests to fail when they shouldn't, making me waste time.
Comment 3 Nik Everett 2013-08-19 14:54:41 UTC 
https://gerrit.wikimedia.org/r/#/c/79791/
Comment 4 Gerrit Notification Bot 2013-08-19 17:59:10 UTC 
Change 79791 had a related patch set uploaded by Demon:
Default to more accurate but slower search_type.

https://gerrit.wikimedia.org/r/79791
Comment 5 Gerrit Notification Bot 2013-08-19 18:04:00 UTC 
Change 79791 merged by jenkins-bot:
Default to more accurate but slower search_type.

https://gerrit.wikimedia.org/r/79791
Comment 6 Nik Everett 2013-09-26 15:09:50 UTC 
Live and working.
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