… connections (or stopping related applications) and observing whenever memory usage shrinks can be very helpful in diagnostics. If you have many applications… away if you close connection. In Percona Server you can do better as you can query temporary tables too: mysql> select sum… Dictionary cache though there could be other reasons too. Memory Leaks There are many kinds of memory leaks and I would say…
Post: How FLUSH TABLES WITH READ LOCK works with Innodb Tables
March 23, 2012 By 20 Comments
… WITH READ LOCK to temporary make MySQL read only. In many cases the period for which server has to be made… be blocked too, which among other tools used by mysql client, so you might get a feel you can’t connect to…) you can consider using –no-lock option with Percona Xtrabackup. Many other tools have similar option. This option can be especially…
Comment: Introducing new type of benchmark
February 26, 2012 By 16 Comments
… webservers. It just makes sens to apply it to databases too. . single-file serving is tested by setting a number of… to say, there are many variables to take into account (size of data set, usage of persistent connection) – and there are even…
Post: Too many connections? No problem!
March 23, 2010 By 28 Comments
…? [percona@sandbox msb_5_0_87]$ ./use ERROR 1040 (00000): Too many connections Just happened to one of our customers. Want to know… input statement. mysql [localhost] {msandbox} ((none)) > select @@global.max_connections; +————————–+ | @@global.max_connections | +————————–+ | 5000 | +————————–+ 1 row in set (0.00 sec) Credit…
Post: Are PHP persistent connections evil ?
November 12, 2006 By 31 Comments
… but creating connections will still waste resources and add latency. The other problem with persistent connections is using too many MySQL server connections. Some people simply do not realize you can increase max_connections variable and get over 100 concurrent connections…
Comment: Mass killing of MySQL Connections
May 21, 2009 By 25 Comments
I am facing the problem Warning: mysql_connect() [function.mysql-connect]: Too many connections in /home/road2l/public_html/connect.php on line 15 Error connecting to mysqlToo many connections Please help me out.
Comment: Too many connections? No problem!
November 21, 2011 By 28 Comments
… w/ mysql having “too many connection” problem & it doesn’t work. gdb -p $(cat data/mysql_sandbox5087.pid) -ex “set max_connections=5000″ -batch > gdb -p $17391 -ex “set max_connections=5000″ -batch GNU gdb Red Hat… GDB was configured as “i386-redhat-linux-gnu”…set max_connections=5000: No such file or directory. /mysql/data/-batch: No…
Comment: Too many connections? No problem!
August 22, 2010 By 28 Comments
i was impress this thing additional to this i work an application that uses vb.net and i use a control backgroundworker as my asyncronous mysql connection to database to retrieve data every second after a long running application suddenly ived enctour a too many connection in my mysql server 5+.
Comment: Are PHP persistent connections evil ?
March 27, 2008 By 31 Comments
how to increasr max connection limit in mysql i am getting error too many connection as i am using Shared hosting ,. how to change the setting in Cpanel
Comment: Debugging sleeping connections with MySQL
November 4, 2007 By 28 Comments
…() fails for mysql_errno() reason 1040 (too many connections). If it does i run shell_exec(“httpd restart”) and the sleeping connections are gone.
