Dianna Hohensee

Make max shard limit variable public, and clearer variable names

2

Related ES-8244

PUT /_snapshot/{repository} with invalid repository configuration returns an error response but still successfully changes the config

8

### Description In a support case, it was possible to set invalid config (missing S3 required `settings` fields) despite the API request returning a 500 error. We should at least...

An interrupted node-left operation can leave a node (even if it rejoins later) on a list of faultyNodes that do not receive cluster state updates until a LagDetector timeout

3

Related to https://github.com/elastic/elasticsearch/issues/91447 test failure. We believe the failure circumstances are rare: the circumstances were created by a NullPointerException that has been fixed, and what remains is hypothetical. It's possible...

Snapshot code name refactors and comments

1

"Renaming some classes/variables to be more descriptive/accurate. Also added comments here and there. Added to the package-level documentation." ------------------------- I was investigating the code, and these are comments and renames...

Add debug logging for snapshots

1

"Specifically around pausing shard snapshots on node removal, and finalizing shards snapshots that change the shard generation of other non- finalized snapshots Relates ES-8566." ------------------- Related to ES-8566. Trying to...

Support setting total_shards_per_node in the allocate action in the frozen tier of an ILM policy

1

### Description [We disabled `total_shards_per_node` on the frozen tier](https://github.com/elastic/elasticsearch/pull/97979) by ignoring/clearing any pre-existing `total_shards_per_node ` setting on the index when mounting the searchable snapshot. In the related issue, [the idea...

Track shard snapshot progress during node shutdown

2

Track shard snapshot progress during shutdown to identify any bottlenecks that cause slowness that can ultimately block shard re-allocation. ------------- TODO: note to self, include human readable time since shutdown...