Mezmo change history: Searches are running slowly

Mezmo reported major Search degradation starting 2023-02-10 18:11 UTC, resolved at 2023-02-10 18:14 UTC (computed duration: 2 min). Searches were slow or returned no results; no data was lost and ingestion continued. The postmortem lists an earlier start of 16:45 UTC; normal search speeds were restored.