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MCOL-529 Pool DBRM connections

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DBRM connections are reused so that we don't have a huge amount of
TIME_WAIT sockets when there are large amounts of DML. Also applied to
i_s.columnstore_files
This commit is contained in:
Andrew Hutchings
2017-04-14 14:13:15 +01:00
parent 3e85b6ef07
commit 830b24c1fa
11 changed files with 349 additions and 56 deletions
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57
utils/messageqcpp/messagequeuepool.h Normal file
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/* Copyright (C) 2017 MariaDB Corporaton
This program 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; version 2 of
the License.
This program 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. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
#ifndef MESSAGEQCPP_MESSAGEQUEUECLIENT_H
#define MESSAGEQCPP_MESSAGEQUEUECLIENT_H
#include <map>
#include "messagequeue.h"
namespace messageqcpp {
struct ClientObject
{
MessageQueueClient *client;
uint64_t lastUsed;
bool inUse;
ClientObject() :
client(NULL),
lastUsed(0),
inUse(false)
{}
};
class MessageQueueClientPool
{
public:
static MessageQueueClient *getInstance(const std::string &module);
static MessageQueueClient *getInstance(const std::string &ip, uint64_t port);
static void releaseInstance(MessageQueueClient * client);
static void deleteInstance(MessageQueueClient * client);
static MessageQueueClient *findInPool(const std::string &search);
private:
MessageQueueClientPool() { };
~MessageQueueClientPool() { };
static std::multimap<std::string, ClientObject*> clientMap;
};
}
#endif //MESSAGEQCPP_MESSAGEQUEUECLIENT_H