Saturday, May 18, 2024

Install Mtop (MySQL Database Server Monitoring) in RHEL/CentOS

Install RPMForge on RHEL/CentOS 6

Select the following links based on your Linux architecture to enable RPMforge repository under your Linux box. (Note : Fedora user’s don’t need to enable any repository under Fedora box).

For RHEL/CentOS 6 32-Bit OS
# wget
# rpm -Uvh rpmforge-release-0.5.2-2.el6.rf.i686.rpm
For RHEL/CentOS 6 64-Bit OS
# wget
# rpm -Uvh rpmforge-release-0.5.2-2.el6.rf.x86_64.rpm

Install RPMForge on RHEL/CentOS 5

For RHEL/CentOS 5 32-Bit OS
# wget
# rpm -Uvh rpmforge-release-0.5.2-2.el5.rf.i386.rpm
For RHEL/CentOS 5 64-Bit OS
# wget
# rpm -Uvh rpmforge-release-0.5.2-2.el5.rf.x86_64.rpm

Install RPMForge on RHEL/CentOS 4

For RHEL/CentOS 4 32-Bit OS
# wget
# rpm -Uvh rpmforge-release-0.5.2-2.el4.rf.i386.rpm
For RHEL/CentOS 4 64-Bit OS
# wget
# rpm -Uvh rpmforge-release-0.5.2-2.el4.rf.x86_64.rpm

Import RPMForge Repository Key in RHEL/CentOS 6/5/4

# wget
# rpm --import RPM-GPG-KEY.dag.txt

Install Mtop in RHEL/CentOS 6/5/4 and Fedora 17-12

Once you’ve installed and enabled RPMForge repository, let’s install MTOP using following YUM command.

# yum install mtop
Sample Output :
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
rpmforge                                                                          | 1.9 kB     00:00
rpmforge/primary_db                                                                 2.6 MB     00:19
Setting up Install Process
Dependencies Resolved
Package                       Arch				Version					Repository				Size
mtop                          noarch           0.6.6-1.2.el6.rf        rpmforge                52 k
Installing for dependencies:
perl-Curses                   i686             1.28-1.el6.rf           rpmforge                156 k
Transaction Summary
Install       2 Package(s)
Total download size: 208 k
Installed size: 674 k
Is this ok [y/N]: y
Downloading Packages:
(1/2): mtop-0.6.6-1.2.el6.rf.noarch.rpm                                           |  52 kB     00:00
(2/2): perl-Curses-1.28-1.el6.rf.i686.rpm                                         | 156 kB     00:01
Total                                                                     46 kB/s | 208 kB     00:04
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Warning: RPMDB altered outside of yum.
Installing : perl-Curses-1.28-1.el6.rf.i686													1/2
Installing : mtop-0.6.6-1.2.el6.rf.noarch                                                     2/2
Verifying  : perl-Curses-1.28-1.el6.rf.i686                                                   1/2
Verifying  : mtop-0.6.6-1.2.el6.rf.noarch                                                     2/2
mtop.noarch 0:0.6.6-1.2.el6.rf
Dependency Installed:
perl-Curses.i686 0:1.28-1.el6.rf

Starting Mtop in RHEL/CentOS 6/5/4

To start Mtop program, you need to connect to your MySQL Server, using following command.

# mysql -u root -p

Then you need to create separate user called mysqltop and grant privileges to him under your MySQL server. To do, this just run the following commands in mysql shell.

mysql> grant super, reload, process on *.* to mysqltop;
Query OK, 0 rows affected (0.00 sec)
mysql> grant super, reload, process on *.* to mysqltop@localhost;
Query OK, 0 rows affected (0.00 sec)
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
mysql> quit;

Running Mtop in RHEL/CentOS 6/5/4

Let’s start the Mtop program by executing below command. You will see sample output similar to below.

# mtop
Sample Outpit :
load average: 0.01, 0.00, 0.00 mysqld 5.1.61 up 5 day(s), 19:21 hrs
2 threads: 1 running, 0 cached. Queries/slow: 5/0 Cache Hit: 71.43%
Opened tables: 0  RRN: 277  TLW: 0  SFJ: 0  SMP: 0  QPS: 0
ID       USER     HOST         DB       TIME   COMMAND STATE        INFO
322081   mysqltop localhost						Query				show full processlist

Monitor Remote MySQL Server using Mtop

Simply, type the following command to monitor any remote MySQL Server.

# mtop  –host=remotehost –dbuser=username –password=password –seconds=1

Mtop Usage and Functions

Please use the following keys while mtop is running.


  1. s – change the number of seconds to delay between updates
  2. m – toggle manual refresh mode on/off
  3. d – filter display with regular expression (user/host/db/command/state/info)
  4. F – fold/unfold column names in select statement display
  5. h – display process for only one host
  6. u – display process for only one user
  7. i – toggle all/non-Sleeping process display
  8. o – reverse the sort order
  9. q – quit
  10. ? – help

For more options and usage please see the man pages of mtop command by running “man mtop” on terminal

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