More Using CPU / MySql

Sep 13, 2008

My Server using more MYSQL and CPU

i checked every thing

1 ) i went to : Show MySQL Processes
i want to know what is NULL
root localhost NULL Query 0 NULL SHOW PROCESSLIST

2 ) i went to CPU/Memory/MySQL Usage
Top Process %CPU 122 gzip
Top Process %CPU 110 gzip
Top Process %CPU 89.0 gzip

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I Moved Mysql From /var To /backup/mysql, Mysql Is No Longer Working

May 8, 2009

Since my /var partition is full, so I moved /var/lib/mysql to /backup/mysql/.

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Jan 21, 2007

I installed the MySQL binary packages in /usr/local/mysql/ after removing the MySQL RPM package. MySQL is functioning when I executed /usr/local/mysql/bin/safe_mysqld. I reinstalled MySQL before I installed PHP. When I used a PHP script to access a MySQL database, it outputs an error:

Code:
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Feb 11, 2008

I recently had a harddrive failure and luckliy I can still access certain directories on this failed drive. I can still access the /var/lib/mysql/ directory which holds all the users databases and have backed all these up separately using tar.

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Jan 15, 2007

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Dec 18, 2007

I keep getting this error :
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Quote:

[mysqld]
safe-show-database
old_passwords
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skip-innodb
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key_buffer = 48M
myisam_sort_buffer_size = 64M
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max_allowed_packet = 256M
net_buffer_length = 16384
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query_cache_limit = 3M
query_cache_size = 48M
query_cache_type = 1
query_prealloc_size = 262144
query_alloc_block_size = 65536
transaction_alloc_block_size = 8192
transaction_prealloc_size = 4096
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[mysqld_safe]
nice = -5
open_files_limit = 8192

[mysqldump]
quick
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[myisamchk]
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sort_buffer = 64M
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it ok when I use --with-mysql

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Jan 20, 2007

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I've downloaded the lastest stable mysql 5 .rpm, and tried to install it with rpm -i mysql.version.rpm, but it says the following:

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warning: MySQL-server-standard-5.0.27-0.rhel4.i386.rpm: V3 DSA signature: NOKEY, key ID 5072e1f5
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MySQL-server conflicts with mysql-server-4.1.20-1.RHEL4.1.i386

I guess that means i have to uninstall mysql 4.1 first.

ok...

# rpm -e mysql-server-4.1.20-1.RHEL4.1.i386
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Let's try to install it now.

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warning: MySQL-server-standard-5.0.27-0.rhel4.i386.rpm: V3 DSA signature: NOKEY, key ID 5072e1f5
error: Failed dependencies:
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Ok, let's remove that.

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libmysqlclient.so.14 is needed by (installed) perl-DBD-MySQL-2.9004-3.1.i386
libmysqlclient.so.14 is needed by (installed) dovecot-0.99.11-4.EL4.i386
libmysqlclient.so.14 is needed by (installed) php-mysql-4.3.9-3.22.i386
libmysqlclient.so.14(libmysqlclient_14) is needed by (installed) dovecot-0.99.11-4.EL4.i386
libmysqlclient.so.14(libmysqlclient_14) is needed by (installed) php-mysql-4.3.9-3.22.i386
mysql = 4.1.20-1.RHEL4.1 is needed by (installed) mysql-devel-4.1.20-1.RHEL4.1.i386

Does upgrade work?

# rpm -Uvh MySQL-server-standard-5.0.27-0.rhel4.i386.rpm warning: MySQL-server-standard-5.0.27-0.rhel4.i386.rpm: V3 DSA signature: NOKEY, key ID 5072e1f5
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libmysqlclient.so.14 is needed by (installed) dovecot-0.99.11-4.EL4.i386
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Mar 16, 2007

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[]# mysqladmin pr
+-------+------+-----------+----+---------+------+-------+------------------+
| Id | User | Host | db | Command | Time | State | Info |
+-------+------+-----------+----+---------+------+-------+------------------+
| 29045 | root | localhost | | Query | 0 | | show processlist |
+-------+------+-----------+----+---------+------+-------+------------------+

Loook at the memory usage.

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total used free shared buffers cached
Mem: 1003 988 14 0 20 85

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1262 mysql 16 0 290m 51m 1848 S 0.0 5.2 0:03.83 /usr/sbin/mysqld --basedir=/ --datadir=/var/lib/mysql --user=mysql --pid-file=/var/lib/mysql/fas
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1269 mysql 16 0 290m 51m 1848 S 0.0 5.2 0:25.82 /usr/sbin/mysqld --basedir=/ --datadir=/var/lib/mysql --user=mysql --pid-file=/var/lib/mysql/fas
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1410 mysql 15 0 290m 51m 1848 S 0.0 5.2 0:23.28 /usr/sbin/mysqld --basedir=/ --datadir=/var/lib/mysql --user=mysql --pid-file=/var/lib/mysql/fas
1411 mysql 16 0 290m 51m 1848 S 0.0 5.2 0:17.13 /usr/sbin/mysqld --basedir=/ --datadir=/var/lib/mysql --user=mysql --pid-file=/var/lib/mysql/fas
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PHP Code:

Tasks: 206 total,   1 running, 204 sleeping,   0 stopped,   1 zombieCpu(s): 95.7% us,  3.3% sy,  0.0% ni,  0.0% id,  0.0% wa,  0.3% hi,  0.7% siMem:    506732k total,   501156k used,     5576k free,     1404k buffersSwap:   522104k total,   323436k used,   198668k free,    88132k cached  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND 1962 mysql     15   0  402m  34m 3456 S 75.5  7.0   6:57.25 mysqld 8388 apache    15   0 32304  10m 3872 S  7.6  2.1   0:00.62 httpd 4489 root      18   0  1784  532  204 S  6.6  0.1   0:50.46 gzip 7810 apache    16   0 31696 9.8m 3844 S  4.0  2.0   0:00.22 httpd 4487 root      18   0 15616 2116 1168 D  1.7  0.4   0:13.60 PleskX.pl 4831 root      18   0 16360 3496 1184 S  1.3  0.7   0:10.99 PleskX.pl 

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