High Availability MySQL Cookbook pot
... http://www.simpopdf.com High Availability MySQL Cookbook Over 50 simple but incredibly effective recipes focusing on different methods of achieving high availability for MySQL databases Alex ... (mysql- 5.1.34 ndb-7.0.6) [mysqld(API)] 4 node(s) id=11 @10.0.0.1 (mysql- 5.1.34 ndb-7.0.6) id=12 @10.0.0.2 (mysql- 5.1.34 ndb-7.0.6) id=13 @10.0.0.3 (mysql- 5.1.34 ndb-7.0.6) id=14 @1...
Ngày tải lên: 27/06/2014, 06:20
high availability mysql cookbook
... on different methods of achieving high availability for MySQL databases Alex Davies BIRMINGHAM - MUMBAI www.it-ebooks.info High Availability with MySQL Cluster 24 Finally, check the ... ~/ [root@node1 ~]# mkdir mysql- storagenode [root@node1 ~]# cd mysql- storagenode/ [root@node1 mysql- storagenode]# wget http://dev .mysql. com/get/Downloads/ MySQL- Cluster-7.0 /M...
Ngày tải lên: 24/04/2014, 15:16
MySQL High Availability- P4
... "/var/run/mysqld/mysqld1.sock"); $NODE[] = array("localhost", 3308, "/var/run/mysqld/mysqld2.sock"); $NODE[] = array("localhost", 3309, "/var/run/mysqld/mysqld3.sock"); 176 ... sec) Conclusion High availability is a nontrivial concept to implement in practice. In this chapter, we presented a look into high availability and how you ca...
Ngày tải lên: 17/10/2013, 22:15
MySQL High Availability- P5
... shard_to_node WHERE shard = %d"; mysql_ select_db("common", $common); $result = mysql_ query(sprintf($query, $shardNo), $common); $row = mysql_ fetch_row($result); $db_server = ... ? ":{$row[2]}" : "{$row[0]}:{$row[1]}"; $conn = mysql_ connect($db_server, 'query_user'); mysql_ select_db("shard_$shardNo", $conn); return array($...
Ngày tải lên: 20/10/2013, 17:15
MySQL High Availability- P6
... is relatively high (it is time-consuming compared to accessing main memory directly), modern operating systems can do it so quickly that the penalty isn’t normally an issue unless it reaches such a high ... swapping at a high level periodically to reclaim memory. Be sure to measure memory usage over a period of time to ensure you are not observing a normal cleanup operation. When period...
Ngày tải lên: 20/10/2013, 17:15
MySQL High Availability- P7
... features of the MySQL Administrator. While the graphs hide the underlying status variables and only present the maximum and minimum values over time, they can be very helpful in spot- ting potential ... sub- layer in MySQL an area not well understood or covered by other reference sources. How MySQL Communicates Performance There are two mechanisms you can use to govern and monitor behavi...
Ngày tải lên: 24/10/2013, 15:15
MySQL High Availability- P8
... key cache and the MyISAM stor- age engine, see the online MySQL Reference Manual. MySQL, Replication, and High Availability There is a higher probability of corruption of MyISAM data than InnoDB ... EXPLAIN, there is no single tool in a standard MySQL distribution that you can use to profile a query in MySQL. The “Optimization” chapter in the online MySQL Reference Manual has a ho...
Ngày tải lên: 24/10/2013, 15:15
MySQL High Availability- P9
... critical data in your basement or in a public place may not be safe enough. High availability As mentioned earlier, high availability options form the first layer of defense in a disaster recovery ... online MySQL Reference Man ual. The following shows a configuration file with typical settings for the first file, cov- ering the data you want to back up: [mysqld] datadir = /usr/loca...
Ngày tải lên: 28/10/2013, 22:15
MySQL High Availability- P10
... chapter introduces the MySQL Enterprise suite of tools and shows you how they will save you time while keeping your MySQL servers running at the highest levels of performance and availability. We also ... stdout=PIPE) mysql_ command = [" ;mysql& quot;, " host=%s" % (server.host), " user=%s" % (server.sql_user.name), " password=%s" % (server.sql_user...
Ngày tải lên: 28/10/2013, 22:15
MySQL High Availability- P11
... similar perform- ance problems. Use MySQL replication You have seen in previous chapters how important MySQL replication is for scale- out, load balancing, and high availability. The cloud makes these ... makes these features easier to use because you can create as many MySQL instances as you need to implement almost any MySQL high availability solution. Use standard AMIs The c...
Ngày tải lên: 07/11/2013, 19:15