sharding_debugging.md

Metrics to pay attention to

You can group by shard_number for all metrics below.

Counters

LookupFuturesCreationFailure

ShardedLookupFailure

ShardedLookupServerRequestFailed

LookupClientMissing

ShardedLookupServerKeyCollisionOnCollection

InternalRunQueryEmtpyQuery

InternalRunQueryMissingKeyset

InternalRunQueryParsingFailure

InternalRunQueryKeysetRetrievalFailure

InternalRunQueryQueryFailure

ShardedLookupGrpcFailure

Latency

InternalRunQuery

Dashboard

Feel free to import this dashboard and modify it to suit your needs.