org.apache.hudi.org.apache.hadoop.hbase.master.ExpiredMobFileCleanerChore 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.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.master.locking.LockManager;
import org.apache.hadoop.hbase.mob.ExpiredMobFileCleaner;
import org.apache.hadoop.hbase.mob.MobConstants;
import org.apache.hadoop.hbase.mob.MobUtils;
import org.apache.hadoop.hbase.procedure2.LockType;
/**
* The Class ExpiredMobFileCleanerChore for running cleaner regularly to remove the expired
* mob files.
*/
@InterfaceAudience.Private
public class ExpiredMobFileCleanerChore extends ScheduledChore {
private static final Logger LOG = LoggerFactory.getLogger(ExpiredMobFileCleanerChore.class);
private final HMaster master;
private ExpiredMobFileCleaner cleaner;
public ExpiredMobFileCleanerChore(HMaster master) {
super(master.getServerName() + "-ExpiredMobFileCleanerChore", master, master.getConfiguration()
.getInt(MobConstants.MOB_CLEANER_PERIOD, MobConstants.DEFAULT_MOB_CLEANER_PERIOD), master
.getConfiguration().getInt(MobConstants.MOB_CLEANER_PERIOD,
MobConstants.DEFAULT_MOB_CLEANER_PERIOD), TimeUnit.SECONDS);
this.master = master;
cleaner = new ExpiredMobFileCleaner();
cleaner.setConf(master.getConfiguration());
}
@Override
@edu.umd.cs.findbugs.annotations.SuppressWarnings(value="REC_CATCH_EXCEPTION",
justification="Intentional")
protected void chore() {
try {
TableDescriptors htds = master.getTableDescriptors();
Map map = htds.getAll();
for (TableDescriptor htd : map.values()) {
for (ColumnFamilyDescriptor hcd : htd.getColumnFamilies()) {
if (hcd.isMobEnabled() && hcd.getMinVersions() == 0) {
// clean only for mob-enabled column.
// obtain a read table lock before cleaning, synchronize with MobFileCompactionChore.
final LockManager.MasterLock lock = master.getLockManager().createMasterLock(
MobUtils.getTableLockName(htd.getTableName()), LockType.SHARED,
this.getClass().getSimpleName() + ": Cleaning expired mob files");
try {
lock.acquire();
cleaner.cleanExpiredMobFiles(htd.getTableName().getNameAsString(), hcd);
} finally {
lock.release();
}
}
}
}
} catch (Exception e) {
LOG.error("Fail to clean the expired mob files", e);
}
}
}