Commit b69d1bd

original-brownbear

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Make SnapshotsInProgress Diffable (#89619)

This is very important for #77466. Profiling showed that serializing snapshots-in-progress when there's a few snapshots with high shard count running takes a significant amount of CPU and heap for sending the full data structure over an over. This PR adds diffing in the simplest way I could think of on top of the existing data structure. closes #88732

1 parent 1c2bd7c commit b69d1bdCopy full SHA for b69d1bd

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docs/changelog
- 89619.yaml
server/src
- main/java/org/elasticsearch/cluster
  - SnapshotsInProgress.java
- test/java/org/elasticsearch/snapshots
  - SnapshotsInProgressSerializationTests.java

3 files changed

+474

-69

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`‎docs/changelog/89619.yaml‎`

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 +pr: 89619
 +summary: Make `SnapshotsInProgress` Diffable
 +area: Snapshot/Restore
 +type: enhancement
 +issues:
 + - 88732

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