[GitHub] [hudi] jsbali commented on a diff in pull request #6502: HUDI-4722 Added locking metrics for Hudi

[GitBox <gi...@apache.org>]

jsbali commented on code in PR #6502:
URL: https://github.com/apache/hudi/pull/6502#discussion_r961900521


##########
hudi-client/hudi-client-common/src/main/java/org/apache/hudi/client/transaction/lock/metrics/HoodieLockMetrics.java:
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@@ -0,0 +1,111 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hudi.client.transaction.lock.metrics;
+
+import org.apache.hudi.common.util.HoodieTimer;
+import org.apache.hudi.config.HoodieWriteConfig;
+import org.apache.hudi.metrics.Metrics;
+
+import com.codahale.metrics.Counter;
+import com.codahale.metrics.MetricRegistry;
+import com.codahale.metrics.SlidingWindowReservoir;
+import com.codahale.metrics.Timer;
+
+import java.util.concurrent.TimeUnit;
+
+public class HoodieLockMetrics {
+
+  private final HoodieWriteConfig writeConfig;
+  private final boolean isMetricsEnabled;
+  private final int keepLastNtimes = 100;
+  private final transient HoodieTimer lockDurationTimer = HoodieTimer.create();
+  private final transient HoodieTimer lockApiRequestDurationTimer = HoodieTimer.create();
+  private transient Counter lockAttempts;
+  private transient Counter succesfulLockAttempts;
+  private transient Counter failedLockAttempts;
+  private transient Timer lockDuration;
+  private transient Timer lockApiRequestDuration;
+
+  public HoodieLockMetrics(HoodieWriteConfig writeConfig) {
+    this.isMetricsEnabled = writeConfig.isMetricsOn();
+    this.writeConfig = writeConfig;
+
+    if (writeConfig.isMetricsOn()) {

Review Comment:
   Done added



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