001/*
002 *
003 * Licensed to the Apache Software Foundation (ASF) under one
004 * or more contributor license agreements.  See the NOTICE file
005 * distributed with this work for additional information
006 * regarding copyright ownership.  The ASF licenses this file
007 * to you under the Apache License, Version 2.0 (the
008 * "License"); you may not use this file except in compliance
009 * with the License.  You may obtain a copy of the License at
010 *
011 *     http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 */
019
020package org.apache.hadoop.hbase.regionserver.slowlog;
021
022import org.apache.hadoop.hbase.ScheduledChore;
023import org.apache.hadoop.hbase.Stoppable;
024import org.apache.yetus.audience.InterfaceAudience;
025import org.slf4j.Logger;
026import org.slf4j.LoggerFactory;
027
028/**
029 * Chore to insert multiple accumulated slow/large logs to hbase:slowlog system table
030 */
031@InterfaceAudience.Private
032public class SlowLogTableOpsChore extends ScheduledChore {
033
034  private static final Logger LOG = LoggerFactory.getLogger(SlowLogTableOpsChore.class);
035
036  private final SlowLogRecorder slowLogRecorder;
037
038  /**
039   * Chore Constructor
040   *
041   * @param stopper The stopper - When {@link Stoppable#isStopped()} is true, this chore will
042   *   cancel and cleanup
043   * @param period Period in millis with which this Chore repeats execution when scheduled
044   * @param slowLogRecorder {@link SlowLogRecorder} instance
045   */
046  public SlowLogTableOpsChore(final Stoppable stopper, final int period,
047      final SlowLogRecorder slowLogRecorder) {
048    super("SlowLogTableOpsChore", stopper, period);
049    this.slowLogRecorder = slowLogRecorder;
050  }
051
052  @Override
053  protected void chore() {
054    if (LOG.isTraceEnabled()) {
055      LOG.trace("SlowLog Table Ops Chore is starting up.");
056    }
057    slowLogRecorder.addAllLogsToSysTable();
058    if (LOG.isTraceEnabled()) {
059      LOG.trace("SlowLog Table Ops Chore is closing.");
060    }
061  }
062
063}