prashantwason commented on code in PR #6502: URL: https://github.com/apache/hudi/pull/6502#discussion_r968708081
########## hudi-client/hudi-client-common/src/main/java/org/apache/hudi/client/transaction/lock/metrics/HoodieLockMetrics.java: ########## @@ -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.isLockingMetricsEnabled(); + this.writeConfig = writeConfig; + + if (isMetricsEnabled) { + Metrics.init(writeConfig); + MetricRegistry registry = Metrics.getInstance().getRegistry(); Review Comment: Registry.getRegistry("HoodieLockProvider"); ########## hudi-client/hudi-client-common/src/main/java/org/apache/hudi/client/transaction/lock/metrics/HoodieLockMetrics.java: ########## @@ -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.isLockingMetricsEnabled(); + this.writeConfig = writeConfig; + + if (isMetricsEnabled) { + Metrics.init(writeConfig); + MetricRegistry registry = Metrics.getInstance().getRegistry(); Review Comment: The new way is to use "Registry" class and not use codahale metrics directly. ########## hudi-client/hudi-client-common/src/main/java/org/apache/hudi/client/transaction/lock/metrics/HoodieLockMetrics.java: ########## @@ -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.isLockingMetricsEnabled(); + this.writeConfig = writeConfig; + + if (isMetricsEnabled) { + Metrics.init(writeConfig); + MetricRegistry registry = Metrics.getInstance().getRegistry(); + + lockAttempts = registry.counter(getMetricsName("acquire.attempts")); + succesfulLockAttempts = registry.counter(getMetricsName("acquire.success")); + failedLockAttempts = registry.counter(getMetricsName("acquire.failure")); + + lockDuration = createTimerForMetrics(registry, "acquire.duration"); + lockApiRequestDuration = createTimerForMetrics(registry, "request.latency"); + } + } + + private String getMetricsName(String metric) { + return writeConfig == null ? null : String.format("%s.%s.%s", writeConfig.getMetricReporterMetricsNamePrefix(), "lock", metric); Review Comment: When you use "Registry" class for metrics, this prefix logic is not required and is handled automatically. ########## hudi-client/hudi-client-common/src/main/java/org/apache/hudi/client/transaction/lock/metrics/HoodieLockMetrics.java: ########## @@ -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.isLockingMetricsEnabled(); + this.writeConfig = writeConfig; + + if (isMetricsEnabled) { + Metrics.init(writeConfig); Review Comment: This does not need to be done here. It will be done once (being a static) as part of the WriteClient creation. ########## hudi-client/hudi-client-common/src/main/java/org/apache/hudi/client/transaction/lock/metrics/HoodieLockMetrics.java: ########## @@ -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.isLockingMetricsEnabled(); + this.writeConfig = writeConfig; + + if (isMetricsEnabled) { + Metrics.init(writeConfig); + MetricRegistry registry = Metrics.getInstance().getRegistry(); + + lockAttempts = registry.counter(getMetricsName("acquire.attempts")); Review Comment: In other components, we define these string constants as static to prevent typos as well as to enable other components/unit tests to refer to these public strings. -- This is an automated message from the Apache Git Service. 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