[Delta Uniform] Support expireSnapshot in uniform iceberg table automatically when OPTIMIZE #3298
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lzlfred
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Jun 25, 2024
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Description
Issue: the current uniform iceberg table doesn't have a mechanism to cleanup old manifest/manifest list files, which adds great storage maintenance overhead
Proposed: when
OPTIMIZEis running on uniform delta table, it will trigger theexpireSnapshotoperation on corresponding iceberg table to do cleanup on manifests. TheOPTIMIZEis chosen as the trigger since it's recommended to run frequently on delta table and iceberg'sexpireSnapshotis also recommended to run frequently (once every day)How was this patch tested?
Manually tested