001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.namequeues;
019
020import org.apache.hadoop.hbase.metrics.BaseSource;
021import org.apache.yetus.audience.InterfaceAudience;
022
023@InterfaceAudience.Private
024public interface MetricsWALEventTrackerSource extends BaseSource {
025  /**
026   * The name of the metrics
027   */
028  String METRICS_NAME = "WALEventTracker";
029
030  /**
031   * The name of the metrics context that metrics will be under.
032   */
033  String METRICS_CONTEXT = "regionserver";
034
035  /**
036   * Description
037   */
038  String METRICS_DESCRIPTION = "Metrics about HBase RegionServer WALEventTracker";
039
040  /**
041   * The name of the metrics context that metrics will be under in jmx
042   */
043  String METRICS_JMX_CONTEXT = "RegionServer,sub=" + METRICS_NAME;
044
045  String NUM_FAILED_PUTS = "numFailedPuts";
046  String NUM_FAILED_PUTS_DESC = "Number of put requests that failed";
047
048  String NUM_RECORDS_FAILED_PUTS = "numRecordsFailedPuts";
049  String NUM_RECORDS_FAILED_PUTS_DESC = "number of records in failed puts";
050
051  /*
052   * Increment 2 counters, numFailedPuts and numRecordsFailedPuts
053   */
054  void incrFailedPuts(long numRecords);
055
056  /*
057   * Get the failed puts counter.
058   */
059  long getFailedPuts();
060
061  /*
062   * Get the number of records in failed puts.
063   */
064  long getNumRecordsFailedPuts();
065}