minor cleanup

Author: masseyke

server/src/main/java/org/elasticsearch/action/admin/indices/stats/CommonStats.java

@@ -165,7 +165,7 @@ public static CommonStats getShardLevelStats(
         IndicesQueryCache indicesQueryCache,
         IndexShard indexShard,
         CommonStatsFlags flags,
-        java.util.Map<org.elasticsearch.index.shard.ShardId, Long> precomputedSharedRam
+        Long precomputedSharedRam
     ) {
         // Filter shard level flags
         CommonStatsFlags filteredFlags = flags.clone();
@@ -187,11 +187,8 @@ public static CommonStats getShardLevelStats(
                     case Flush -> stats.flush = indexShard.flushStats();
                     case Warmer -> stats.warmer = indexShard.warmerStats();
                     case QueryCache -> {
-                        if (precomputedSharedRam != null && precomputedSharedRam.containsKey(indexShard.shardId())) {
-                            stats.queryCache = indicesQueryCache.getStats(
-                                indexShard.shardId(),
-                                precomputedSharedRam.get(indexShard.shardId())
-                            );
+                        if (precomputedSharedRam != null) {
+                            stats.queryCache = indicesQueryCache.getStats(indexShard.shardId(), precomputedSharedRam);
                         } else {
                             stats.queryCache = indicesQueryCache.getStats(indexShard.shardId());
                         }

server/src/main/java/org/elasticsearch/indices/IndicesQueryCache.java

@@ -32,7 +32,6 @@
 import java.io.Closeable;
 import java.io.IOException;
 import java.util.Collections;
-import java.util.HashMap;
 import java.util.IdentityHashMap;
 import java.util.Map;
 import java.util.Set;

server/src/main/java/org/elasticsearch/indices/IndicesService.java

@@ -552,12 +552,7 @@ static Map<Index, List<IndexShardStats>> statsByShard(final IndicesService indic
                     }
                 }
                 try {
-                    final IndexShardStats indexShardStats = indicesService.indexShardStats(
-                        indicesService,
-                        indexShard,
-                        flags,
-                        java.util.Collections.singletonMap(shardId, sharedRam)
-                    );
+                    final IndexShardStats indexShardStats = indicesService.indexShardStats(indicesService, indexShard, flags, sharedRam);
                     if (indexShardStats == null) {
                         continue;
                     }
@@ -582,7 +577,7 @@ IndexShardStats indexShardStats(
         final IndicesService indicesService,
         final IndexShard indexShard,
         final CommonStatsFlags flags,
-        Map<org.elasticsearch.index.shard.ShardId, Long> precomputedSharedRam
+        Long precomputedSharedRam
     ) {
         if (indexShard.routingEntry() == null) {
             return null;