Pintoch created this task. Pintoch added a project: Wikidata. Restricted Application added a subscriber: Aklapper.
TASK DESCRIPTION With the introduction of the WDQS lag in Wikidata's maxlag computation (T221774 <https://phabricator.wikimedia.org/T221774>), we are now seeing the behaviour I feared: bots start and stop brutally as the lag rises and falls. F31469424: maxlag.png <https://phabricator.wikimedia.org/F31469424> https://grafana.wikimedia.org/dashboard/snapshot/mbbjQjo7FMnDAath4tuRyP7F9300Wj2S?orgId=1 This morning, bots which used `maxlag=5` for their edits (as advised) could only edit about half of the time. This start and stop behaviour is not desirable: bots should slow down gradually as the lag increases instead of running at full speed until the lag reaches 5. We should agree on a better throttling policy and implement it in most bot editing frameworks (QuickStatements, Pywikibot, OpenRefine, …) to improve everyone's experience with the service. The current policy looks like this, assuming a default rate of 1 edit/sec: F31469546: currentpolicy.png <https://phabricator.wikimedia.org/F31469546> We could instead try something like this, with a gradual slowdown as soon as maxlag goes above 2.5 sec (half the threshold where it should stop), for instance: F31469548: proposedpolicy.png <https://phabricator.wikimedia.org/F31469548> Would this be a sensible throttling policy to encourage? I believe this should avoid the start/stop behaviour shown above, once such a behaviour is adopted by most bots (which should not be super hard: by patching the most popular editing backends, we should cover most of it). TASK DETAIL https://phabricator.wikimedia.org/T240442 EMAIL PREFERENCES https://phabricator.wikimedia.org/settings/panel/emailpreferences/ To: Pintoch Cc: Aklapper, Pintoch, darthmon_wmde, DannyS712, Nandana, Lahi, Gq86, GoranSMilovanovic, QZanden, LawExplorer, _jensen, rosalieper, Scott_WUaS, Wikidata-bugs, aude, Mbch331
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