[Request] Adds CacheConfig related info

src/main/java/org/opensearch/performanceanalyzer/commons/metrics/RTFMetrics.java

@@ -292,6 +292,54 @@ public static class Constants {
         }
     }
 
+    public enum CacheConfigDimension implements MetricDimension, JooqFieldValue {
+        CACHE_TYPE(RTFMetrics.CacheConfigDimension.Constants.TYPE_VALUE);
+
+        private final String value;
+
+        CacheConfigDimension(String value) {
+            this.value = value;
+        }
+
+        @Override
+        public String toString() {
+            return value;
+        }
+
+        @Override
+        public Field<String> getField() {
+            return DSL.field(DSL.name(this.value), String.class);
+        }
+
+        @Override
+        public String getName() {
+            return value;
+        }
+
+        public static class Constants {
+            public static final String TYPE_VALUE = "cache_type";
+        }
+    }
+
+    public enum CacheConfigValue implements MetricValue {
+        CACHE_MAX_SIZE(RTFMetrics.CacheConfigValue.Constants.CACHE_MAX_SIZE_VALUE);
+
+        private final String value;
+
+        CacheConfigValue(String value) {
+            this.value = value;
+        }
+
+        @Override
+        public String toString() {
+            return value;
+        }
+
+        public static class Constants {
+            public static final String CACHE_MAX_SIZE_VALUE = "cache_max_size";
+        }
+    }
+
     public enum MetricUnits {
         CORES(Constants.CORES_VALUE),
         COUNT_PER_SEC(Constants.COUNT_PER_SEC_VALUE),

src/main/java/org/opensearch/performanceanalyzer/commons/stats/metrics/StatExceptionCode.java

@@ -83,6 +83,7 @@ public enum StatExceptionCode {
     RTF_THREADPOOL_METRICS_COLLECTOR_ERROR("RTFThreadPoolMetricsCollectorError"),
     SHARD_STATE_COLLECTOR_ERROR("ShardStateCollectorError"),
     CACHE_CONFIG_METRICS_COLLECTOR_ERROR("CacheConfigMetricsCollectorError"),
+    RTF_CACHE_CONFIG_METRICS_COLLECTOR_ERROR("RTFCacheConfigMetricsCollectorError"),
     ADMISSION_CONTROL_COLLECTOR_ERROR("AdmissionControlCollectorError"),
     CIRCUIT_BREAKER_COLLECTOR_ERROR("CircuitBreakerCollectorError"),
     CLUSTER_MANAGER_SERVICE_EVENTS_METRICS_COLLECTOR_ERROR(

src/main/java/org/opensearch/performanceanalyzer/commons/stats/metrics/StatMetrics.java

@@ -80,6 +80,11 @@ public enum StatMetrics implements MeasurementSet {
             "millis",
             StatsType.LATENCIES,
             Statistics.SUM),
+    RTF_CACHE_CONFIG_METRICS_COLLECTOR_EXECUTION_TIME(
+            "RTFCacheConfigMetricsCollectorExecutionTime",
+            "millis",
+            StatsType.LATENCIES,
+            Statistics.SUM),
     CIRCUIT_BREAKER_COLLECTOR_EXECUTION_TIME(
             "CircuitBreakerCollectorExecutionTime", "millis", StatsType.LATENCIES, Statistics.SUM),
     CLUSTER_APPLIER_SERVICE_STATS_COLLECTOR_EXECUTION_TIME(