Does spark integrated iceberg support concurrent insert overwrite

[lizu18xz]

Does spark integrated iceberg support concurrent insert overwrite？

[zz22394]

Short answer:
Yes.

Ref:

How does Iceberg handle multiple concurrent writes?

https://www.dremio.com/apache-iceberg-faq/#h-how-does-iceberg-handle-multiple-concurrent-writes

Iceberg uses "optimistic concurrency" to provide transactional guarantees during multiple concurrent writes.

[zz22394]

https://iceberg.apache.org/docs/latest/spark-writes/
MERGE INTO is recommended instead of INSERT OVERWRITE because Iceberg can replace only the affected data files

[github-actions]

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[github-actions]

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