org.apache.hudi.org.apache.hadoop.hbase.master.balancer.ClusterStatusChore Maven / Gradle / Ivy
/**
* 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.balancer;
import java.io.InterruptedIOException;
import org.apache.hadoop.hbase.ScheduledChore;
import org.apache.yetus.audience.InterfaceAudience;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.hadoop.hbase.master.HMaster;
import org.apache.hadoop.hbase.master.LoadBalancer;
/**
* Chore that will feed the balancer the cluster status.
*/
@InterfaceAudience.Private
public class ClusterStatusChore extends ScheduledChore {
private static final Logger LOG = LoggerFactory.getLogger(ClusterStatusChore.class);
private final HMaster master;
private final LoadBalancer balancer;
public ClusterStatusChore(HMaster master, LoadBalancer balancer) {
super(master.getServerName() + "-ClusterStatusChore", master, master.getConfiguration().getInt(
"hbase.balancer.statusPeriod", 60000));
this.master = master;
this.balancer = balancer;
}
@Override
protected void chore() {
try {
balancer.setClusterMetrics(master.getClusterMetricsWithoutCoprocessor());
} catch (InterruptedIOException e) {
LOG.warn("Ignoring interruption", e);
}
}
}