[CELEBORN-2270] Fix problem with eviction to tiered storage during partition split#3610
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eolivelli wants to merge 4 commits intoapache:mainfrom
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[CELEBORN-2270] Fix problem with eviction to tiered storage during partition split#3610eolivelli wants to merge 4 commits intoapache:mainfrom
eolivelli wants to merge 4 commits intoapache:mainfrom
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@eolivelli, #3608 has already been merged. Please rebase the latest main branch. |
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Pull request overview
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RexXiong
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Mar 2, 2026
SteNicholas
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Thanks. Merged to main(v0.7.0). |
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NOTE: this PR is stacked on top of #3608
Please consider only 756d25e
What changes were proposed in this pull request?
Handle the eviction to a different location type.
Why are the changes needed?
Because it may happen that a MEMORY file is to be evicted to another storage type (i.e. S3). This does not work.
Usually, as described in tests in #3608 when you have tiered storage, the primary partition type is usually not MEMORY, but it may happen that during a partition split the client decides to use MEMORY.
This patch fixes the problem on the worker side.
An alternative fix would be to change the behavior of the client, and simulate what the master does when offering slots.
Such a change would be more involved and it won't make the server side resilient to this scenario.
Does this PR resolve a correctness bug?
No.
Does this PR introduce any user-facing change?
No.
How was this patch tested?