See parent task. https://wikidata.beta.wmflabs.org/w/api.php?maxlag=5&action=query shows:
{
"error": {
"code": "maxlag",
"info": "Waiting for tumwiki: 15838.983333333 seconds lagged.",
"host": "tumwiki",
"lag": 15838.983333333,
"type": "wikibase-dispatching",
"dispatchLag": 950339,
"*": "See https://wikidata.beta.wmflabs.org/w/api.php for API usage. Subscribe to the mediawiki-api-announce mailing list at <https://lists.wikimedia.org/mailman/listinfo/mediawiki-api-announce> for notice of API deprecations and breaking changes."
},
"servedby": "deployment-mediawiki-09"
}