Change method name - fieldMemoryStats

Signed-off-by: Jean Kim <bgshhd95@gmail.com>

Author: pado0

server/src/main/java/org/opensearch/index/fielddata/FieldDataStats.java

@@ -148,7 +148,7 @@ public Builder evictions(long evictions) {
             return this;
         }
 
-        public Builder fields(@Nullable FieldMemoryStats fields) {
+        public Builder fieldMemoryStats(@Nullable FieldMemoryStats fields) {
             this.fields = fields;
             return this;
         }

server/src/main/java/org/opensearch/index/fielddata/ShardFieldData.java

@@ -69,7 +69,7 @@ public FieldDataStats stats(String... fields) {
         }
         return new FieldDataStats.Builder().memorySize(totalMetric.count())
             .evictions(evictionsMetric.count())
-            .fields(fieldTotals == null ? null : new FieldMemoryStats(fieldTotals))
+            .fieldMemoryStats(fieldTotals == null ? null : new FieldMemoryStats(fieldTotals))
             .build();
     }
 

server/src/test/java/org/opensearch/action/admin/cluster/node/stats/NodeStatsTests.java

@@ -1378,7 +1378,7 @@ private CommonStats createRandomCommonStats() {
             .build();
         commonStats.fieldData = new FieldDataStats.Builder().memorySize(randomLongBetween(0, 100))
             .evictions(randomLongBetween(0, 100))
-            .fields(null)
+            .fieldMemoryStats(null)
             .build();
         commonStats.queryCache = new QueryCacheStats.Builder().ramBytesUsed(randomLongBetween(0, 100))
             .hitCount(randomLongBetween(0, 100))

server/src/test/java/org/opensearch/action/admin/cluster/stats/ClusterStatsNodesTests.java

@@ -377,7 +377,7 @@ private CommonStats createRandomCommonStats() {
             .build();
         commonStats.fieldData = new FieldDataStats.Builder().memorySize(randomLongBetween(0, 100))
             .evictions(randomLongBetween(0, 100))
-            .fields(null)
+            .fieldMemoryStats(null)
             .build();
         commonStats.queryCache = new QueryCacheStats.Builder().ramBytesUsed(randomLongBetween(0, 100))
             .hitCount(randomLongBetween(0, 100))

server/src/test/java/org/opensearch/action/admin/cluster/stats/ClusterStatsResponseTests.java

@@ -245,7 +245,7 @@ private CommonStats createRandomCommonStats() {
             .build();
         commonStats.fieldData = new FieldDataStats.Builder().memorySize(randomLongBetween(0, 100))
             .evictions(randomLongBetween(0, 100))
-            .fields(null)
+            .fieldMemoryStats(null)
             .build();
         commonStats.queryCache = new QueryCacheStats.Builder().ramBytesUsed(randomLongBetween(0, 100))
             .hitCount(randomLongBetween(0, 100))

server/src/test/java/org/opensearch/index/fielddata/FieldDataStatsTests.java

@@ -45,7 +45,7 @@ public void testSerialize() throws IOException {
         FieldMemoryStats map = randomBoolean() ? null : FieldMemoryStatsTests.randomFieldMemoryStats();
         FieldDataStats stats = new FieldDataStats.Builder().memorySize(randomNonNegativeLong())
             .evictions(randomNonNegativeLong())
-            .fields(map)
+            .fieldMemoryStats(map)
             .build();
         BytesStreamOutput out = new BytesStreamOutput();
         stats.writeTo(out);