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https://issues.apache.org/jira/browse/HUDI-4506?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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yuemeng updated HUDI-4506:
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Summary: make BucketIndexPartitioner distribute data more balance (was:
make BucketIndexPartitioner distribute data more balanced)
> make BucketIndexPartitioner distribute data more balance
> --------------------------------------------------------
>
> Key: HUDI-4506
> URL: https://issues.apache.org/jira/browse/HUDI-4506
> Project: Apache Hudi
> Issue Type: Improvement
> Components: flink
> Reporter: yuemeng
> Assignee: yuemeng
> Priority: Major
>
> Currently.BucketIndexPartitioner uses a partition path and bucket id to
> partition data to write subTask
> Suppose:
> # bucket num < write tasks num
> # old partition was never modified or only a little old partition path had
> modified.
> this partition logical
> {code}
> int globalHash = (key.getPartitionPath() + curBucket +
> hashKeys.hashCode()).hashCode() & Integer.MAX_VALUE;
> {code}
> will cause data may distribute some of the write tasks
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