Kunal Kotwani

**Is your feature request related to a problem? Please describe.** The feature is a part of searchable snapshots tracked here - #2919 The restored snapshot will have shards which can...

[Searchable Snapshot] Implement the IndexInput classes for block-based storage

1

**Is your feature request related to a problem? Please describe.** - The snapshot mechanisms in OpenSearch restore the entire index including the segment files for restoring an index - Searchable...

Add workflow for changelog verification

3

Signed-off-by: Kunal Kotwani ### Description - The changes under this PR build on adding a changelog enforcer using the GHA [`Changelog Enforcer`](https://github.com/marketplace/actions/changelog-enforcer) following the [Keep A Changelog](https://keepachangelog.com/en/1.0.0/) format - What...

[Gradle Check Retry] Publish/Record tests which pass after a retry to address flakiness

2

**Is your feature request related to a problem? Please describe.** - `gradle check` test failures are now retried as a part of https://github.com/opensearch-project/OpenSearch/pull/2638 - This issue addresses the scenarios where...

**Is your feature request related to a problem? Please describe.** - Searchable snapshots will introduce a new remote searcher role - https://github.com/opensearch-project/OpenSearch/issues/3895 - As a part of this, we would...

[FEATURE] Add support for searchable snapshots within index management

9

**Is your feature request related to a problem?** - Searchable snapshots was launched as GA with v2.7.0 and enables space saving with query-time data fetch from snapshots within the repository...

[Feature Request] Design file integrity verification support for files downloaded from remote store

6

### Is your feature request related to a problem? Please describe Files from the remote store are downloaded using the `RemoteStoreFileDowloader` [instance](https://github.com/opensearch-project/OpenSearch/blob/main/server/src/main/java/org/opensearch/index/store/RemoteStoreFileDownloader.java) This method currently uses directory copy methods to...

Add rolling version upgrade support for ignore_unmapped

5

### Description - Adds in rolling version upgrade support for `ignore_unmapped` ### Issues Resolved - N/A ### Check List - [ ] New functionality includes testing. - [ ] All...

**Is your feature request related to a problem?** - Currently, version specific features are enabled by fetching the minimum node version from the cluster: [here](https://github.com/opensearch-project/k-NN/blob/main/src/main/java/org/opensearch/knn/index/IndexUtil.java#L258-L263) - The current mechanism of...

Deprecate nmslib engine

2

### Description - Deprecates `nmslib` engine support ### Related Issues - N/A ### Check List - [ ] ~New functionality includes testing.~ - [x] New functionality has been documented. -...