Update param values and add new procedure (opensearch-project#249)

Update param value to get optimal recall during nightly runs.
Added a new procedure which includes index and merge segments.
This will be helpful to prepare snapshot for search-only
nightly runs.

Signed-off-by: Vijayan Balasubramanian <balasvij@amazon.com>

vectorsearch/params/corpus/10million/faiss-cohere-768-dp.json

@@ -2,7 +2,8 @@
     "target_index_name": "target_index",
     "target_field_name": "target_field",
     "target_index_body": "indices/faiss-index.json",
-    "target_index_primary_shards": 18,
+    "target_index_primary_shards": 6,
+    "target_index_replica_shards": 1,
     "target_index_dimension": 768,
     "target_index_space_type": "innerproduct",
 
@@ -11,9 +12,9 @@
     "target_index_bulk_index_data_set_corpus": "cohere-10m",
     "target_index_bulk_indexing_clients": 10,
 
-    "target_index_max_num_segments": 10,
-    "hnsw_ef_search": 100,
-    "hnsw_ef_construction": 100,
+    "target_index_max_num_segments": 1,
+    "hnsw_ef_search": 256,
+    "hnsw_ef_construction": 256,
 
     "query_k": 100,
     "query_body": {

vectorsearch/params/corpus/10million/lucene-cohere-768-dp.json

@@ -2,7 +2,8 @@
     "target_index_name": "target_index",
     "target_field_name": "target_field",
     "target_index_body": "indices/lucene-index.json",
-    "target_index_primary_shards": 18,
+    "target_index_primary_shards": 6,
+    "target_index_replica_shards": 1,
     "target_index_dimension": 768,
     "target_index_space_type": "innerproduct",
 
@@ -11,9 +12,9 @@
     "target_index_bulk_index_data_set_corpus": "cohere-10m",
     "target_index_bulk_indexing_clients": 10,
 
-    "target_index_max_num_segments": 10,
-    "hnsw_ef_search": 100,
-    "hnsw_ef_construction": 100,
+    "target_index_max_num_segments": 1,
+    "hnsw_ef_search": 256,
+    "hnsw_ef_construction": 256,
 
     "query_k": 100,
     "query_body": {

vectorsearch/params/corpus/10million/nmslib-cohere-768-dp.json

@@ -2,7 +2,8 @@
     "target_index_name": "target_index",
     "target_field_name": "target_field",
     "target_index_body": "indices/nmslib-index.json",
-    "target_index_primary_shards": 18,
+    "target_index_primary_shards": 6,
+    "target_index_replica_shards": 1,
     "target_index_dimension": 768,
     "target_index_space_type": "innerproduct",
 
@@ -11,9 +12,9 @@
     "target_index_bulk_index_data_set_corpus": "cohere-10m",
     "target_index_bulk_indexing_clients": 10,
 
-    "target_index_max_num_segments": 10,
-    "hnsw_ef_search": 100,
-    "hnsw_ef_construction": 100,
+    "target_index_max_num_segments": 1,
+    "hnsw_ef_search": 256,
+    "hnsw_ef_construction": 256,
 
     "query_k": 100,
     "query_body": {

vectorsearch/params/corpus/1million/faiss-cohere-768-dp.json

@@ -11,9 +11,9 @@
     "target_index_bulk_index_data_set_corpus": "cohere-1m",
     "target_index_bulk_indexing_clients": 10,
 
-    "target_index_max_num_segments": 10,
-    "hnsw_ef_search": 100,
-    "hnsw_ef_construction": 100,
+    "target_index_max_num_segments": 1,
+    "hnsw_ef_search": 256,
+    "hnsw_ef_construction": 256,
 
     "query_k": 100,
     "query_body": {

vectorsearch/params/corpus/1million/lucene-cohere-768-dp.json

@@ -11,9 +11,9 @@
     "target_index_bulk_index_data_set_corpus": "cohere-1m",
     "target_index_bulk_indexing_clients": 10,
 
-    "target_index_max_num_segments": 10,
-    "hnsw_ef_search": 100,
-    "hnsw_ef_construction": 100,
+    "target_index_max_num_segments": 1,
+    "hnsw_ef_search": 256,
+    "hnsw_ef_construction": 256,
 
     "query_k": 100,
     "query_body": {

vectorsearch/params/corpus/1million/nmslib-cohere-768-dp.json

@@ -11,9 +11,9 @@
     "target_index_bulk_index_data_set_corpus": "cohere-1m",
     "target_index_bulk_indexing_clients": 10,
 
-    "target_index_max_num_segments": 10,
-    "hnsw_ef_search": 100,
-    "hnsw_ef_construction": 100,
+    "target_index_max_num_segments": 1,
+    "hnsw_ef_search": 256,
+    "hnsw_ef_construction": 256,
 
     "query_k": 100,
     "query_body": {

vectorsearch/test_procedures/default.json

@@ -16,6 +16,15 @@
        {{ benchmark.collect(parts="common/index-only-schedule.json") }}
     ]
 },
+{
+    "name": "no-train-test-index-with-merge",
+    "description": "Perform only indexing operation for vector search",
+    "default": false,
+    "schedule": [
+       {{ benchmark.collect(parts="common/index-only-schedule.json") }},
+       {{ benchmark.collect(parts="common/force-merge-schedule.json") }},
+    ]
+},
 {
     "name": "search-only",
     "default": false,