QuakeWang opened a new pull request, #9231:
URL: https://github.com/apache/paimon/pull/9231
### Purpose
`PrimaryKeySortedIndexScan` waits for each file evaluation to finish before
starting the next independent sorted-index group. This serializes index I/O
across groups and prevents the existing global-index read executor from using
its configured parallelism.
Add asynchronous predicate evaluation and start all file evaluations before
awaiting their results. Results are still collected in file order, while
shared-reader reuse, per-file fallback, interruption handling, and reader
cleanup are preserved.
### Tests
- `mvn -pl paimon-common -DwildcardSuites=none
-Dtest=GlobalIndexEvaluatorTest test`
- `mvn -pl paimon-core -am -DfailIfNoTests=false -DwildcardSuites=none
-Dtest=PrimaryKeySortedIndexScanTest test`
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