[core] Optimize snapshots collect in ExpireSnapshots#7397
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JingsongLi merged 1 commit intoapache:masterfrom Mar 11, 2026
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[core] Optimize snapshots collect in ExpireSnapshots#7397JingsongLi merged 1 commit intoapache:masterfrom
JingsongLi merged 1 commit intoapache:masterfrom
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…eTask subclasses fix minor comments move paimon-core logic to paimon-flink [core][flink] fix changelogDecoupled missing bug in parall mode [core][flink] keep LocalAction [core][flink] add support for: Optimize snapshots collect in ExpireSnapshots (apache#7397) [core][flink] fix comments [core][flink] Support parallelism snapshot expire
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…eTask subclasses fix minor comments move paimon-core logic to paimon-flink [core][flink] fix changelogDecoupled missing bug in parall mode [core][flink] keep LocalAction [core][flink] add support for: Optimize snapshots collect in ExpireSnapshots (apache#7397) [core][flink] fix comments [core][flink] Support parallelism snapshot expire
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…eTask subclasses fix minor comments move paimon-core logic to paimon-flink [core][flink] fix changelogDecoupled missing bug in parall mode [core][flink] keep LocalAction [core][flink] add support for: Optimize snapshots collect in ExpireSnapshots (apache#7397) [core][flink] fix comments [core][flink] Support parallelism snapshot expire
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Purpose
This PR optimizes the collection method of snapshots in ExpireSnapsImpl, replacing the logic of sequentially reading snapshots from multiple locations in the ExpireUntil method with a one-time concurrent collection of all required snapshots to Map<Long, Snapshot>, and then directly querying from Map to avoid duplicate file IO.
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