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Iceberg: wait for batch minting operator to validate presence of table#34899

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DAlperin merged 1 commit intoMaterializeInc:mainfrom
DAlperin:dov/iceberg-backoff-retry-table-load
Feb 4, 2026
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Iceberg: wait for batch minting operator to validate presence of table#34899
DAlperin merged 1 commit intoMaterializeInc:mainfrom
DAlperin:dov/iceberg-backoff-retry-table-load

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@DAlperin DAlperin commented Feb 3, 2026

It's expected that table loading might fail the first time a sink starts if the table hasn't been created yet. It will be created eventually though, so backoff a few times before exiting with an error.

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  • This PR has adequate test coverage / QA involvement has been duly considered. (trigger-ci for additional test/nightly runs)
  • This PR has an associated up-to-date design doc, is a design doc (template), or is sufficiently small to not require a design.
  • If this PR evolves an existing $T ⇔ Proto$T mapping (possibly in a backwards-incompatible way), then it is tagged with a T-proto label.
  • If this PR will require changes to cloud orchestration or tests, there is a companion cloud PR to account for those changes that is tagged with the release-blocker label (example).
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@DAlperin DAlperin requested a review from a team as a code owner February 3, 2026 20:51
@DAlperin DAlperin requested a review from a team February 3, 2026 21:29
Use a stream similar to slot_ready in postgres to let downstream
operators know when the table is gaurenteed to exist.
@DAlperin DAlperin force-pushed the dov/iceberg-backoff-retry-table-load branch from 29fbf10 to c8a62f4 Compare February 4, 2026 20:26
@DAlperin DAlperin changed the title Iceberg: backoff and retry loading tables when starting operators Iceberg: wait for batch minting operator to validate presence of table Feb 4, 2026
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@martykulma martykulma left a comment

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Nice - thanks @DAlperin!

@DAlperin DAlperin merged commit a8605d1 into MaterializeInc:main Feb 4, 2026
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2 participants