MySQL High Availability- P5

... article_author WHERE article_id = %d"; mysql_ select_db("common"); $result = mysql_ query(sprintf($query, $articleId), $link); $row = mysql_ fetch_row($result); return getShardAndNodeFromUserId($row[0], ... sprintf($query, $userId); $result = mysql_ query(sprintf($query, $userId), $node); } while (!$result && mysql_ errno($node) == 1146); while ($obj = mysq...

Ngày tải lên: 20/10/2013, 17:15

... start_trans($link) { mysql_ query("START TRANSACTION", $link); } function commit_trans($link) { mysql_ select_db("common", $link); mysql_ query("SET SQL_LOG_BIN = 0", $link); mysql_ query("INSERT ... VALUES (%d,'%s')"; mysql_ query(sprintf($insert_message, $user_id, $message), $link); commit_trans($link); } $conn = mysql_ connect(":...

Ngày tải lên: 17/10/2013, 22:15

... of all of the mysqld programs, issue the command: ps -A | grep mysqld This will send the list of all processes to the grep command, which will in turn only show those rows with “mysqld” in them. ... determine that the system was kept very busy. Similarly, a high value for %iowait can indicate a problem with the disk. If %system or %nice is much higher than %user, it can indicate an imbalanc...

Ngày tải lên: 20/10/2013, 17:15

... MySQL Administrator 1.2 • MySQL Query Browser 1.2 • MySQL Migration Toolkit 1.1 We will discuss the MySQL Administrator and MySQL Query Browser in more detail in the following sections. The MySQL ... perform. The online MySQL Reference Manual discusses the mysqladmin utility briefly. In this section, we examine the options and tools for monitoring a MySQL server. 300 | Chapter...

Ngày tải lên: 24/10/2013, 15:15

... in the online MySQL Reference Manual for more details). Using INFORMATION_SCHEMA Tables If you install versions of MySQL that have the InnoDB storage engine plug-in (available in MySQL versions ... error log or in a console by starting MySQL with the console option. To turn on the InnoDB monitors, create the following tables in a database of your choice: mysql& gt; SHOW TABLES LIKE &...

Ngày tải lên: 24/10/2013, 15:15

... remove this watermark. Certainly there is some overlap between the practices of high availability and disaster recovery. High availability solutions can address the minor disasters and even form one layer ... 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...

Ngày tải lên: 28/10/2013, 22:15

... choice. Backup and MySQL Replication There are two ways to use backup with MySQL replication. In previous chapters, you learned about MySQL replication and its many uses for scale-out and high availability. In ... afterward. perl innobackup apply-log /etc /mysql/ my.cnf /home/cbell/backup mysqladmin -uroot shutdown perl innobackup copy-file /etc /mysql/ my.cnf /home/cbell/backup /etc/...

Ngày tải lên: 28/10/2013, 22:15

... watermark. MySQL in the Cloud If you are wondering if there is something special about running MySQL in a cloud environment, you can relax. Running MySQL in a cloud is no different from running MySQL ... [root@ip-10-212-106-195 ~]# mysql -uroot Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 2 Server version: 5.0.45 Source distribution MySQ...

Ngày tải lên: 07/11/2013, 19:15

... 15: MySQL Cluster Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Achieving High Performance MySQL Cluster is designed not only for high availability, but also for high ... using MySQL Cluster in the cloud. You can find a complete list of all of the considerations for high performance in the MySQL Cluster” section of the online MySQL Reference Man...

Ngày tải lên: 07/11/2013, 20:15

... 457, 463 Query Analyzer, 458 MySQL Enterprise Server, 456 MySQL Forge, 155 MySQL Migration Toolkit, 302 MySQL monitor, 294 MySQL Monitor and Advisor (MONyog) tool, 317 MySQL Proxy data sharding ... promotion, 135–141 MySQL Query Browser, 312–313 MySQL servers benchmark suite, 318–319 communicating performance, 293 GUI tools, 302 MySQL Administrator, 302–312 MySQL Query Bro...

Ngày tải lên: 07/11/2013, 20:15