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HeapDumpCommand.java
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HeapDumpCommand.java
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/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Alex Rojkov
*/
package com.caucho.boot;
import com.caucho.server.admin.ManagerClient;
import com.caucho.util.L10N;
/**
* Makes the remote server produce heap dump. Heap dump is written to a file
* local to a remote server as it can be big.
*/
public class HeapDumpCommand extends AbstractManagementCommand
{
private static final L10N L = new L10N(HeapDumpCommand.class);
@Override
public int doCommand(WatchdogArgs args,
WatchdogClient client,
ManagerClient managerClient)
{
boolean raw = args.hasOption("-raw");
String data = managerClient.doHeapDump(raw);
System.out.println(data);
return 0;
}
@Override
public void usage()
{
System.err.println(L.l("usage: bin/resin.sh [-conf <file>] [-server <id>] heap-dump [-address <address>] [-port <port>] -user <user> -password <password> [-raw]"));
System.err.println(L.l(""));
System.err.println(L.l("description:"));
System.err.println(L.l(" prints heap summary taken on remote server"));
System.err.println(L.l(""));
System.err.println(L.l("options:"));
System.err.println(L.l(" -conf <file> : resin configuration file"));
System.err.println(L.l(" -server <id> : id of a server"));
System.err.println(L.l(" -address <address> : ip or host name of the server"));
System.err.println(L.l(" -port <port> : server http port"));
System.err.println(L.l(" -user <user> : user name used for authentication to the server"));
System.err.println(L.l(" -password <password> : password used for authentication to the server"));
System.err.println(L.l(" -raw : creates an hprof file"));
}
}