| /* |
| * 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.metrics; |
| |
| import java.io.Closeable; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.log4j.LogManager; |
| import org.apache.log4j.Logger; |
| |
| import com.codahale.metrics.ConsoleReporter; |
| import com.codahale.metrics.MetricFilter; |
| import com.codahale.metrics.MetricRegistry; |
| |
| /** |
| * Hudi Console metrics reporter. Reports the metrics by printing them to the stdout on the console. |
| */ |
| public class ConsoleMetricsReporter extends MetricsReporter { |
| |
| private static final Logger LOG = LogManager.getLogger(ConsoleMetricsReporter.class); |
| private final ConsoleReporter consoleReporter; |
| |
| public ConsoleMetricsReporter(MetricRegistry registry) { |
| this.consoleReporter = ConsoleReporter.forRegistry(registry) |
| .convertRatesTo(TimeUnit.SECONDS) |
| .convertDurationsTo(TimeUnit.MILLISECONDS) |
| .filter(MetricFilter.ALL).build(); |
| } |
| |
| @Override |
| public void start() { |
| if (consoleReporter != null) { |
| consoleReporter.start(30, TimeUnit.SECONDS); |
| } else { |
| LOG.error("Cannot start as the consoleReporter is null."); |
| } |
| } |
| |
| @Override |
| public void report() { |
| if (consoleReporter != null) { |
| consoleReporter.report(); |
| } else { |
| LOG.error("Cannot report metrics as the consoleReporter is null."); |
| } |
| } |
| |
| @Override |
| public Closeable getReporter() { |
| return consoleReporter; |
| } |
| |
| @Override |
| public void stop() { |
| } |
| } |