lilei1128 opened a new pull request, #8822:
URL: https://github.com/apache/paimon/pull/8822
### Purpose
Register PartialLookupMetrics in QueryExecutorOperator and inject them into
the query service's LocalTableQuery. This exposes lookup request counts and
table-storage access counts for remote query service lookups while
preserving
the existing Full Cache and RPC metric behavior.
Make the query service metrics test deterministic by writing one record and
querying the same key twice, validating that the first lookup accesses
table
storage and the second lookup hits the local lookup-file cache.
### Tests
RemoteLookupJoinITCase#testRemoteQueryServicePartialLookupMetrics.
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