[spark] Add scan.max.records.per.partition config to split log table input partitions#3260
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Yohahaha wants to merge 1 commit intoapache:mainfrom
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[spark] Add scan.max.records.per.partition config to split log table input partitions#3260Yohahaha wants to merge 1 commit intoapache:mainfrom
Yohahaha wants to merge 1 commit intoapache:mainfrom
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@luoyuxia @fresh-borzoni PTAL! |
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Purpose
Linked issue: close #3215
Brief change log
scan.max.records.per.partitionconfig option for Spark log table reads. When set, each Flussbucket whose offset range exceeds this value will be split into multiple Spark input partitions, improving
read parallelism for large offset ranges.
BucketOffsetsRetrieverImplto support fetching real earliest offsets when needed.Tests
SparkLogTableReadTest: "Spark Read: split partition by config"API and Format
Documentation