Finn

Signed-off-by: Finn Roblin ### Description Adds documentation and support for JSON Pointers to the `parse_json` processor ### Issues Resolved Resolves #831 ### Check List - [X] New functionality includes testing....

### Description This change supports [nested field](https://opensearch.org/docs/latest/search-plugins/knn/nested-search-knn/) benchmarks for vector search. Previously k-NN maintainers would need to use the deprecated perf tool to benchmark nested fields. ### Issues Resolved This...

[FEATURE] Softer validation of corpora workload parameters for vectorsearch benchmark

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### Is your feature request related to a problem? Please describe Currently each workload corpus [requires a target index parameter](https://github.com/opensearch-project/opensearch-benchmark/blob/7ebbfefe0a31f7665a72a8e35175d439806623b2/osbenchmark/workload/loader.py#L1484) when there are multiple indices. However, the vector search bulk...

### Description When the number of search clients is greater than the number of cpu cores [recall drops unexpectedly](https://github.com/opensearch-project/opensearch-benchmark-workloads/issues/347). @VijayanB is investigating the cause, but this PR throws a warning...

### Description Adds hdf5 file support for bulk ingestion. hdf5 files contain datasets of vectors in a non-json format so @VijayanB wrote separate parameter operations to send vectors to the...