[spark] Add scan.maxRecordsPerPartition config to split log table input partitions#3260
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[spark] Add scan.maxRecordsPerPartition config to split log table input partitions#3260Yohahaha wants to merge 6 commits into
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@luoyuxia @fresh-borzoni PTAL! |
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@Yohahaha Ty for the PR, overall LGTM, left minor comments, PTAL
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@luoyuxia @YannByron more comments? |
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@Yohahaha Ty for the changes, LGTM 👍 , just minor comment
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@Yohahaha you need to update config key in tests to fix tests |
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Purpose
Linked issue: close #3215
Brief change log
scan.maxRecordsPerPartitionconfig 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