MediaWiki Job Queue

Me­di­aWi­ki

I'm writ­ing this ar­ti­cle at the time while mi­grat­ing this wi­ki from Me­di­aWi­ki ver­sion 1.38 to ver­sion 1.39. Ac­cord­ing to the Cir­rusSearch extension's page and I was in need to mi­grate from Elas­tic­search ver­sion 6.8.23 to ver­sion 7.10.2.

So af­ter in­stalling Elas­tic­search ver­sion 7.10.2, in­stead fol­low­ing the Up­grade man­u­al I've Re­build the Elas­tic­search da­ta from scratch which leads me to an in­fi­nite MediaWiki's Job queue. For this rea­son I was need to get much fa­mil­iar with the MediaWiki's main­te­nance scripts re­lat­ed the Job queue.

Envvars

The en­vi­ron­ment vari­ables used in the fol­low­ing com­mands.

IP="/var/www/wiki.example.com" # The DocumentRoot directory of the wiki
OWNER="www-data"               # The user that owns the $IP directory

Show Jobs

sudo -u ${OWNER} php "${IP}/maintenance/showJobs.php"

15    # The count of the all pending jobs

sudo -u ${OWNER} php "${IP}/maintenance/showJobs.php" --group

cirrusSearchLinksUpdatePrioritized: 2 queued; 0 claimed (0 active, 0 abandoned); 0 delayed
htmlCacheUpdate: 4 queued; 0 claimed (0 active, 0 abandoned); 0 delayed
recentChangesUpdate: 1 queued; 0 claimed (0 active, 0 abandoned); 0 delayed
refreshLinksDynamic: 7 queued; 0 claimed (0 active, 0 abandoned); 0 delayed

sudo -u ${OWNER} php "${IP}/maintenance/showJobs.php" --group

cirrusSearchLinksUpdatePrioritized MediaWiki_Job_Queue addedLinks=[] removedLinks=[] prioritize=1 cluster= namespace=0 title=MediaWiki_Job_Queue requestId=ZASOXkzdk5n0fxsD5JVbLgAAQRA (id=6794955,timestamp=20230305124311) status=unclaimed
...
htmlCacheUpdate MediaWiki_Job_Queue table=templatelinks recursive=1 rootJobIsSelf=1 rootJobSignature=fcd541151cba4e3ac5b300da797a3163c93407bc rootJobTimestamp=20230305124311 causeAction=page-edit namespace=0 title=MediaWiki_Job_Queue requestId=ZASOXkzdk5n0fxsD5JVbLgAAQRA causeAgent=unknown (id=6794956,timestamp=20230305124311) status=unclaimed
...
recentChangesUpdate Special:RecentChanges type=cacheUpdate namespace=-1 title=RecentChanges requestId=ZASOUUzdk5n0fxsD5JVa-QAAUQs (id=6794954,timestamp=20230305124307) status=unclaimed
refreshLinksDynamic Kali_Linux_Install_GUFW_(gui-ufw) isOpportunistic=1 rootJobTimestamp=20230305121652 namespace=0 title=Kali_Linux_Install_GUFW_(gui-ufw) requestId=ZASIM9BBdr0qUp1CuMirLwAAABA causeAction=unknown causeAgent=unknown (id=6794945,timestamp=20230305121653) status=unclaimed
...

sudo -u ${OWNER} php "${IP}/maintenance/showJobs.php" --type cirrusSearchLinksUpdatePrioritized

2    # The count of the pending jobs for the specified --type

If it is a wi­ki fam­i­ly, you may need to spec­i­fy the $wiki­Id, like be­low.

sudo -u ${OWNER} php "${IP}/maintenance/showJobs.php" --wiki="${wikiId}"

Man­age Jobs

Re-push aban­doned jobs of cer­tain type.

sudo -u ${OWNER} php "${IP}/maintenance/manageJobs.php" --type typeName --action "repush-abandoned"

Delete Jobs of cer­tain type.

sudo -u ${OWNER} php "${IP}/maintenance/manageJobs.php" --type typeName --action "delete"

Use showJobs.php –group, as it is shown above, to find avail­able job types in the cur­rent job queue. Note the quote marks at the ac­tion op­tions in the ex­am­ples above are used here just for bet­ter high­light.

Ref­er­ences

• Con­tin­u­ous ser­vice ex­am­ples:
  • Me­di­aWi­ki: Man­u­al:Job queue
  • Se­man­tic Me­di­aWi­ki: Help:Job queue
• Me­di­aWi­ki: Man­u­al:runJobs.php
• Me­di­aWi­ki: Man­u­al:showJobs.php
• Me­di­aWi­ki: Man­u­al:manageJobs.php
• Me­di­aWi­ki Docs: JobQueue | JobQueue Ar­chi­tec­ture | Manual:Job queue/​​​For de­vel­op­ers
• Me­di­aWi­ki Sup­port desk: How to re­move aban­doned jobs from job queue?

Reg­is­ter: Me­di­aWi­ki

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