Error
[16:45:43] <logmsgbot> !log hashar@deploy1001 rebuilt and synchronized wikiversions files: group0 to 1.34.0-wmf.21 - T220746
PROBLEM - graphoid endpoints health on scb2006 is CRITICAL: /{domain}/v1/{format}/{title}/{revid}/{id} (retrieve PNG from mediawiki.org) is CRITICAL: Test retrieve PNG from mediawiki.org returned the unexpected status 400 (expecting: 200) https://wikitech.wikimedia.org/wiki/Services/Monitoring/graphoid
Impact
That sounds bad for Graphoid
Notes
Happened immediately after promoting 1.34.0-wmf.21 to group0 and hence www.mediawiki.org
There are a few 403 errors showing up for the scb hosts in logstash.