org.apache.hudi.org.apache.hadoop.hbase.master.MobCompactionChore Maven / Gradle / Ivy
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*
* 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.hadoop.hbase.master;
import java.util.Map;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.TimeUnit;
import org.apache.hadoop.hbase.ScheduledChore;
import org.apache.hadoop.hbase.TableDescriptors;
import org.apache.yetus.audience.InterfaceAudience;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;
import org.apache.hadoop.hbase.client.TableDescriptor;
import org.apache.hadoop.hbase.client.TableState;
import org.apache.hadoop.hbase.master.locking.LockManager;
import org.apache.hadoop.hbase.mob.MobUtils;
import org.apache.hadoop.hbase.procedure2.LockType;
/**
* The Class MobCompactChore for running compaction regularly to merge small mob files.
*/
@InterfaceAudience.Private
public class MobCompactionChore extends ScheduledChore {
private static final Logger LOG = LoggerFactory.getLogger(MobCompactionChore.class);
private HMaster master;
private ExecutorService pool;
public MobCompactionChore(HMaster master, int period) {
// use the period as initial delay.
super(master.getServerName() + "-MobCompactionChore", master, period, period, TimeUnit.SECONDS);
this.master = master;
this.pool = MobUtils.createMobCompactorThreadPool(master.getConfiguration());
}
@Override
protected void chore() {
try {
TableDescriptors htds = master.getTableDescriptors();
Map map = htds.getAll();
for (TableDescriptor htd : map.values()) {
if (!master.getTableStateManager().isTableState(htd.getTableName(),
TableState.State.ENABLED)) {
continue;
}
boolean reported = false;
try {
final LockManager.MasterLock lock = master.getLockManager().createMasterLock(
MobUtils.getTableLockName(htd.getTableName()), LockType.EXCLUSIVE,
this.getClass().getName() + ": mob compaction");
for (ColumnFamilyDescriptor hcd : htd.getColumnFamilies()) {
if (!hcd.isMobEnabled()) {
continue;
}
if (!reported) {
master.reportMobCompactionStart(htd.getTableName());
reported = true;
}
MobUtils.doMobCompaction(master.getConfiguration(), master.getFileSystem(),
htd.getTableName(), hcd, pool, false, lock);
}
} finally {
if (reported) {
master.reportMobCompactionEnd(htd.getTableName());
}
}
}
} catch (Exception e) {
LOG.error("Failed to compact mob files", e);
}
}
@Override
protected synchronized void cleanup() {
super.cleanup();
pool.shutdown();
}
}