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CirrusSearch: don't spawn a new job to update links if there are no links to update
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Description

Don't spawn a new job to update links if there are no links to update. This is really common and the jobs don't do any work:

2013-12-02 23:46:30 mw1001 itwiki: cirrusSearchLinksUpdate Kortessem addedLinks=array(0) removedLinks=array(0) primary= STARTING
2013-12-02 23:46:30 mw1001 itwiki: cirrusSearchLinksUpdate Kortessem addedLinks=array(0) removedLinks=array(0) primary= t=0 good
2013-12-02 23:46:30 mw1007 nlwikivoyage: cirrusSearchLinksUpdate Kortessem addedLinks=array(0) removedLinks=array(0) primary= STARTING
2013-12-02 23:46:30 mw1007 nlwikivoyage: cirrusSearchLinksUpdate Kortessem addedLinks=array(0) removedLinks=array(0) primary= t=0 good
2013-12-02 23:46:31 mw1003 itwiki: cirrusSearchLinksUpdate Zoersel addedLinks=array(0) removedLinks=array(0) primary= STARTING
2013-12-02 23:46:31 mw1003 itwiki: cirrusSearchLinksUpdate Zoersel addedLinks=array(0) removedLinks=array(0) primary= t=0 good
2013-12-02 23:46:31 mw1003 itwiki: cirrusSearchLinksUpdate Lista_degli_artisti_musicali_italiani_per_stime_di_vendita addedLinks=array(0) removedLinks=array(0) primary= STARTING
2013-12-02 23:46:31 mw1003 itwiki: cirrusSearchLinksUpdate Lista_degli_artisti_musicali_italiani_per_stime_di_vendita addedLinks=array(0) removedLinks=array(0) primary= t=0 good
2013-12-02 23:46:31 mw1007 nlwikivoyage: cirrusSearchLinksUpdate Wellen addedLinks=array(0) removedLinks=array(0) primary= STARTING
2013-12-02 23:46:31 mw1007 nlwikivoyage: cirrusSearchLinksUpdate Wellen addedLinks=array(0) removedLinks=array(0) primary= t=0 good
2013-12-02 23:46:34 mw1001 itwiki: cirrusSearchLinksUpdate Fading_Like_a_Flower_(Every_Time_You_Leave) addedLinks=array(0) removedLinks=array(0) primary= STARTING
2013-12-02 23:46:34 mw1001 itwiki: cirrusSearchLinksUpdate Fading_Like_a_Flower_(Every_Time_You_Leave) addedLinks=array(0) removedLinks=array(0) primary= t=0 good
2013-12-02 23:46:37 mw1005 itwiki: cirrusSearchLinksUpdate Fagioli/Mi_piaccion_le_sbarbine addedLinks=array(0) removedLinks=array(0) primary= STARTING
2013-12-02 23:46:37 mw1005 itwiki: cirrusSearchLinksUpdate Fagioli/Mi_piaccion_le_sbarbine addedLinks=array(0) removedLinks=array(0) primary= t=0 good


Version: unspecified
Severity: normal

Details

Reference
bz57900

Event Timeline

bzimport raised the priority of this task from to Medium.Nov 22 2014, 2:41 AM
bzimport added a project: CirrusSearch.
bzimport set Reference to bz57900.
bzimport added a subscriber: Unknown Object (MLST).

Somewhat related - we should investigate raising the number of link additions and deletes chosen per reindex. This has very low cost.

Change 98845 had a related patch set uploaded by Manybubbles:
Don't spawn to update links if there aren't any

https://gerrit.wikimedia.org/r/98845

Change 98845 merged by jenkins-bot:
Don't spawn to update links if there aren't any

https://gerrit.wikimedia.org/r/98845