Code search experiencing degraded performance

Feb 24, 00:46 UTC Resolved - This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A detailed root cause analysis will be shared as soon as it is available.

Feb 24, 00:38 UTC Update - We have identified a cause for the latency and timeouts and have implemented a fix. We are observing initial recovery now.

Feb 23, 23:10 UTC Update - Customers using code search continue to see increased latency and timeout errors. We are working to mitigate issues on the affected shard.

Feb 23, 22:22 UTC Update - Elevated latency and timeouts for code search is isolated to a single shard experiencing elevated CPU. We are taking steps to isolate and mitigate the affected shard.

Feb 23, 21:18 UTC Update - Elevated latency and timeouts for code search is isolated to a single shard experiencing elevated CPU. We are continuing to investigate the cause and steps to mitigate.

Feb 23, 20:33 UTC Update - We are continuing to investigate elevated latency and timeouts for code search.

Feb 23, 19:59 UTC Investigating - We are investigating reports of impacted performance for some GitHub services.