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Posted to commits@hudi.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/01/28 12:50:00 UTC
[jira] [Updated] (HUDI-1557) Make Flink write pipeline write task
scalable
[ https://issues.apache.org/jira/browse/HUDI-1557?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated HUDI-1557:
---------------------------------
Labels: pull-request-available (was: )
> Make Flink write pipeline write task scalable
> ---------------------------------------------
>
> Key: HUDI-1557
> URL: https://issues.apache.org/jira/browse/HUDI-1557
> Project: Apache Hudi
> Issue Type: Sub-task
> Components: DeltaStreamer
> Reporter: Danny Chen
> Priority: Major
> Labels: pull-request-available
>
> This issue introduces a BucketAssigner that assigns bucket ID (partition path & fileID) for each stream record.
> There is no need to look up index and partition the records anymore in the following pipeline for these records,
> we actually decide the write target location before the write and each record computes its location when the BucketAssigner receives it, thus, the indexing is with streaming style.
> Computing locations for a batch of records all at a time is resource consuming so a pressure to the engine,
> we should avoid that in streaming system.
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