/*
* 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.cassandra.utils;
import java.lang.management.ManagementFactory;
import java.util.Set;
import javax.management.JMX;
import javax.management.MBeanServer;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import com.google.common.collect.Iterables;
import org.apache.cassandra.cache.AutoSavingCache;
import org.apache.cassandra.cache.IRowCacheEntry;
import org.apache.cassandra.cache.KeyCacheKey;
import org.apache.cassandra.cache.RowCacheKey;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.cassandra.concurrent.JMXEnabledThreadPoolExecutorMBean;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.db.ColumnFamilyStore;
import org.apache.cassandra.db.RowIndexEntry;
import org.apache.cassandra.db.compaction.CompactionManager;
import org.apache.cassandra.net.MessagingService;
import org.apache.cassandra.service.CacheService;
public class StatusLogger
{
private static final Logger logger = LoggerFactory.getLogger(StatusLogger.class);
public static void log()
{
MBeanServer server = ManagementFactory.getPlatformMBeanServer();
// everything from o.a.c.concurrent
logger.info(String.format("%-25s%10s%10s%10s", "Pool Name", "Active", "Pending", "Blocked"));
Set<ObjectName> request, internal;
try
{
request = server.queryNames(new ObjectName("org.apache.cassandra.request:type=*"), null);
internal = server.queryNames(new ObjectName("org.apache.cassandra.internal:type=*"), null);
}
catch (MalformedObjectNameException e)
{
throw new RuntimeException(e);
}
for (ObjectName objectName : Iterables.concat(request, internal))
{
String poolName = objectName.getKeyProperty("type");
JMXEnabledThreadPoolExecutorMBean threadPoolProxy = JMX.newMBeanProxy(server, objectName, JMXEnabledThreadPoolExecutorMBean.class);
logger.info(String.format("%-25s%10s%10s%10s",
poolName, threadPoolProxy.getActiveCount(), threadPoolProxy.getPendingTasks(), threadPoolProxy.getCurrentlyBlockedTasks()));
}
// one offs
CompactionManager cm = CompactionManager.instance;
logger.info(String.format("%-25s%10s%10s",
"CompactionManager", cm.getActiveCompactions(), cm.getPendingTasks()));
int pendingCommands = 0;
for (int n : MessagingService.instance().getCommandPendingTasks().values())
{
pendingCommands += n;
}
int pendingResponses = 0;
for (int n : MessagingService.instance().getResponsePendingTasks().values())
{
pendingResponses += n;
}
logger.info(String.format("%-25s%10s%10s",
"MessagingService", "n/a", pendingCommands + "," + pendingResponses));
// Global key/row cache information
AutoSavingCache<KeyCacheKey, RowIndexEntry> keyCache = CacheService.instance.keyCache;
AutoSavingCache<RowCacheKey, IRowCacheEntry> rowCache = CacheService.instance.rowCache;
int keyCacheKeysToSave = DatabaseDescriptor.getKeyCacheKeysToSave();
int rowCacheKeysToSave = DatabaseDescriptor.getRowCacheKeysToSave();
logger.info(String.format("%-25s%10s%25s%25s%65s", "Cache Type", "Size", "Capacity", "KeysToSave", "Provider"));
logger.info(String.format("%-25s%10s%25s%25s%65s", "KeyCache",
keyCache.weightedSize(),
keyCache.getCapacity(),
keyCacheKeysToSave == Integer.MAX_VALUE ? "all" : keyCacheKeysToSave,
""));
logger.info(String.format("%-25s%10s%25s%25s%65s", "RowCache",
rowCache.weightedSize(),
rowCache.getCapacity(),
rowCacheKeysToSave == Integer.MAX_VALUE ? "all" : rowCacheKeysToSave,
DatabaseDescriptor.getRowCacheProvider().getClass().getName()));
// per-CF stats
logger.info(String.format("%-25s%20s", "ColumnFamily", "Memtable ops,data"));
for (ColumnFamilyStore cfs : ColumnFamilyStore.all())
{
logger.info(String.format("%-25s%20s",
cfs.table.name + "." + cfs.columnFamily,
cfs.getMemtableColumnsCount() + "," + cfs.getMemtableDataSize()));
}
}
}