/*
* 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.accumulo.server.util;
import java.util.Iterator;
import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;
import org.apache.accumulo.core.Constants;
import org.apache.accumulo.core.client.Instance;
import org.apache.accumulo.core.client.ZooKeeperInstance;
import org.apache.accumulo.core.master.state.tables.TableState;
import org.apache.accumulo.server.master.LiveTServerSet;
import org.apache.accumulo.server.master.LiveTServerSet.Listener;
import org.apache.accumulo.server.master.state.MetaDataTableScanner;
import org.apache.accumulo.server.master.state.TServerInstance;
import org.apache.accumulo.server.master.state.TabletLocationState;
import org.apache.accumulo.server.master.state.TabletState;
import org.apache.accumulo.server.master.state.tables.TableManager;
import org.apache.accumulo.server.security.SecurityConstants;
import org.apache.commons.collections.iterators.IteratorChain;
import org.apache.log4j.Logger;
public class FindOfflineTablets {
private static final Logger log = Logger.getLogger(FindOfflineTablets.class);
/**
* @param args
*/
public static void main(String[] args) throws Exception {
if (args.length != 2) {
System.err.println("Usage: " + FindOfflineTablets.class.getName() + " <instance> <zookeepers>");
System.exit(1);
}
String instance = args[0];
String keepers = args[1];
Instance zooInst = new ZooKeeperInstance(instance, keepers);
MetaDataTableScanner rootScanner = new MetaDataTableScanner(zooInst, SecurityConstants.getSystemCredentials(),
Constants.ROOT_TABLET_EXTENT.toMetadataRange());
MetaDataTableScanner metaScanner = new MetaDataTableScanner(zooInst, SecurityConstants.getSystemCredentials(), Constants.NON_ROOT_METADATA_KEYSPACE);
@SuppressWarnings("unchecked")
Iterator<TabletLocationState> scanner = (Iterator<TabletLocationState>) new IteratorChain(rootScanner, metaScanner);
final AtomicBoolean scanning = new AtomicBoolean(false);
LiveTServerSet tservers = new LiveTServerSet(zooInst, new Listener() {
@Override
public void update(LiveTServerSet current, Set<TServerInstance> deleted, Set<TServerInstance> added) {
if (!deleted.isEmpty() && scanning.get())
log.warn("Tablet servers deleted while scanning: " + deleted);
if (!added.isEmpty() && scanning.get())
log.warn("Tablet servers added while scanning: " + added);
}
});
tservers.startListeningForTabletServerChanges();
scanning.set(true);
while (scanner.hasNext()) {
TabletLocationState locationState = scanner.next();
TabletState state = locationState.getState(tservers.getCurrentServers());
if (state != null && state != TabletState.HOSTED
&& TableManager.getInstance().getTableState(locationState.extent.getTableId().toString()) != TableState.OFFLINE)
if (!locationState.extent.equals(Constants.ROOT_TABLET_EXTENT))
System.out.println(locationState + " is " + state + " #walogs:" + locationState.walogs.size());
}
}
}