/**
* 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.hive.ql.hooks;
import junit.framework.Assert;
import org.apache.hadoop.hive.ql.MapRedStats;
import org.apache.hadoop.hive.ql.session.SessionState;
import java.util.Map;
public class ShowMapredStatsHook implements ExecuteWithHookContext {
public void run(HookContext hookContext) {
SessionState ss = SessionState.get();
Assert.assertNotNull("SessionState returned null");
Map<String, MapRedStats> stats = ss.getMapRedStats();
if (stats != null && !stats.isEmpty()) {
for (Map.Entry<String, MapRedStats> stat : stats.entrySet()) {
SessionState.getConsole().printError(
stat.getKey() + "=" + stat.getValue().getTaskNumbers());
}
}
}
}