Manoj Govindassamy created HUDI-2961:
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Summary: Async table services can race with metadata table updates
Key: HUDI-2961
URL: https://issues.apache.org/jira/browse/HUDI-2961
Project: Apache Hudi
Issue Type: Task
Components: Writer Core
Reporter: Manoj Govindassamy
Assignee: Manoj Govindassamy
Fix For: 0.11.0
Today Metadata table updates are done inline/synchronous with the data table
updates. Metadata data table updates can also sometime trigger table services
like compaction which are also done inline w.r.t the ongoing commit. So,
updates in the metadata table are always serial. However, there can be async
table services like clustering which are running in parallel with single or
multiple writers and can update the metadata table in parallel with the writer
commits.
In the multi writer case, since we anyway have the lock provider configured
metadata table updates are guarded for race. But, the lock providers are not
must today for single writer + async table service deployments, leading to race
in metadata table updates. Async table service like clustering can race with
the metadata table compaction, and can update the wrong delta log file than the
right next delta file from the compaction.
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