FlaggedRevsHooks::recentContentEditCount and FlaggedRevsHooks::editSpacingCheck seem to be failing on edit, which could mean edits are being lost. Setting as unbreak unless confirmed it is a minor defect:
First occurence on 2018-05-30T22:01:35 and going up throughout the week, so almost definitely train-related.
{ "_index": "logstash-2018.06.01", "_type": "mediawiki", "_id": "AWO6eTc8ZoLyKtr1VvDG", "_version": 1, "_score": null, "_source": { "server": "de.wikipedia.org", "db_server": "10.64.32.73", "wiki": "dewiki", "channel": "DBQuery", "type": "mediawiki", "error": "Key 'rev_user_timestamp' doesn't exist in table 'revision' (10.64.32.73)", "http_method": "POST", "@version": 1, "host": "mw1246", "shard": "s5", "sql1line": "SELECT rev_timestamp FROM `revision` FORCE INDEX (rev_user_timestamp) WHERE rev_user = '203289' ORDER BY rev_timestamp ASC LIMIT 1 ", "fname": "FlaggedRevsHooks::editSpacingCheck", "errno": 1176, "unique_id": "WxEEZwpAMFEAAJxD5bIAAABF", "method": "Wikimedia\\Rdbms\\Database::makeQueryException", "level": "ERROR", "ip": "10.64.0.104", "mwversion": "1.32.0-wmf.6", "message": "FlaggedRevsHooks::editSpacingCheck\t10.64.32.73\t1176\tKey 'rev_user_timestamp' doesn't exist in table 'revision' (10.64.32.73)\tSELECT rev_timestamp FROM `revision` FORCE INDEX (rev_user_timestamp) WHERE rev_user = '203289' ORDER BY rev_timestamp ASC LIMIT 1 ", "normalized_message": "{fname}\t{db_server}\t{errno}\t{error}\t{sql1line}", "url": "/w/index.php?title=Wikipedia:Administratoren/Anfragen&action=submit", "tags": [ "syslog", "es", "es" ], "reqId": "WxEEZwpAMFEAAJxD5bIAAABF", "referrer": "https://de.wikipedia.org/w/index.php?title=Wikipedia:Administratoren/Anfragen&action=edit§ion=12", "@timestamp": "2018-06-01T08:31:36.000Z", "db_name": "dewiki", "db_user": "wikiuser" }, "fields": { "@timestamp": [ 1527841896000 ] }, "sort": [ 1527841896000 ] }