I can't make back-up


I need a little help from you…
I have a problem with makeing back-up to our database.
We work with MY SQL in PhpMyAdmin, and we have a db large than 25 M. (This db was created by a Vtiger CRM, and he increase permanently.)
Is not to big but enought to create problems to us.
Problems apear when we want to make a back-up because mysql don’t let us to make it.
I try to export (460 tables) and it export only 190 (I think that back-up never pass 6.5 M). When I export archived it give me all the time something with 0k.
I try to save it like plain text and to move it with copy paste in another place…but he never get me all my database. The text apear to be cuted somewhere in the middle. (so…it doesn’t help).
I also try to make mysqldump from command prompt, and it seems it work…but actualy nothing happend. No back-up is created in the place where I tell to create…and it don’t get me an error.

After some researchs I belive that the problem came from my.ini where I have an unwanted limit. Another probleme apear here because I don’t know which one.

This is my “my.ini”

Example MySQL config file for small systems.

This is for a system with little memory (<= 64M) where MySQL is only used

from time to time and it’s important that the mysqld daemon

doesn’t use much resources.

You can copy this file to

E:/Program Files/xampp/mysql/bin/my.cnf to set global options,

mysql-data-dir/my.cnf to set server-specific options (in this

installation this directory is E:/Program Files/xampp/mysql/data) or

~/.my.cnf to set user-specific options.

In this file, you can use all long options that a program supports.

If you want to know which options a program supports, run the program

with the “–help” option.

The following options will be passed to all MySQL clients


password = your_password

port = 3306
socket = “E:/Program Files/xampp/mysql/mysql.sock”

Here follows entries for some specific programs

The MySQL server

port= 3306
socket= “E:/Program Files/xampp/mysql/mysql.sock”
basedir=“E:/Program Files/xampp/mysql”
tmpdir=“E:/Program Files/xampp/tmp”
datadir=“E:/Program Files/xampp/mysql/data”
key_buffer = 16M
max_allowed_packet = 1M
table_cache = 64
sort_buffer_size = 512K
net_buffer_length = 8K
read_buffer_size = 256K
read_rnd_buffer_size = 512K
myisam_sort_buffer_size = 8M

Don’t listen on a TCP/IP port at all. This can be a security enhancement,

if all processes that need to connect to mysqld run on the same host.

All interaction with mysqld must be made via Unix sockets or named pipes.

Note that using this option without enabling named pipes on Windows

(via the “enable-named-pipe” option) will render mysqld useless!

commented in by lampp security


Replication Master Server (default)

binary logging is required for replication

log-bin deactivated by default since XAMPP 1.4.11


required unique id between 1 and 2^32 - 1

defaults to 1 if master-host is not set

but will not function as a master if omitted

server-id = 1

Replication Slave (comment out master section to use this)

To configure this host as a replication slave, you can choose between

two methods :

1) Use the CHANGE MASTER TO command (fully described in our manual) -

the syntax is:



where you replace , , by quoted strings and

by the master’s port number (3306 by default).





2) Set the variables below. However, in case you choose this method, then

start replication for the first time (even unsuccessfully, for example

if you mistyped the password in master-password and the slave fails to

connect), the slave will create a master.info file, and any later

change in this file to the variables’ values below will be ignored and

overridden by the content of the master.info file, unless you shutdown

the slave server, delete master.info and restart the slaver server.

For that reason, you may want to leave the lines below untouched

(commented) and instead use CHANGE MASTER TO (see above)

required unique id between 2 and 2^32 - 1

(and different from the master)

defaults to 2 if master-host is set

but will not function as a slave if omitted

#server-id = 2

The replication master for this slave - required

#master-host =

The username the slave will use for authentication when connecting

to the master - required

#master-user =

The password the slave will authenticate with when connecting to

the master - required

#master-password =

The port the master is listening on.

optional - defaults to 3306

#master-port =

binary logging - not required for slaves, but recommended


Point the following paths to different dedicated disks

#tmpdir = “E:/Program Files/xampp/tmp”
#log-update = /path-to-dedicated-directory/hostname

Uncomment the following if you are using BDB tables

#bdb_cache_size = 4M
#bdb_max_lock = 10000

Comment the following if you are using InnoDB tables

innodb_data_home_dir = “E:/Program Files/xampp/mysql/data”
innodb_data_file_path = ibdata1:10M:autoextend
innodb_log_group_home_dir = “E:/Program Files/xampp/mysql/data”
#innodb_log_arch_dir = “E:/Program Files/xampp/mysql/data”

You can set …_buffer_pool_size up to 50 - 80 %

of RAM but beware of setting memory usage too high

innodb_buffer_pool_size = 16M
innodb_additional_mem_pool_size = 2M

Set …_log_file_size to 25 % of buffer pool size

innodb_log_file_size = 5M
innodb_log_buffer_size = 8M
innodb_flush_log_at_trx_commit = 1
innodb_lock_wait_timeout = 50

max_allowed_packet = 60M


Remove the next comment character if you are not familiar with SQL


key_buffer = 20M
sort_buffer_size = 20M
read_buffer = 2M
write_buffer = 2M

key_buffer = 20M
sort_buffer_size = 20M
read_buffer = 2M
write_buffer = 2M


Thenk you in advance and sorry for my poor english! I wish you a good day!

What command do you use to create the backup?

I try in phpmyqdmin…with save as file…it doesn’t work, also…I try to do not save, just to take as plain text also from phpmyadmin…it gives me just a part of my db.
And I also try with command prompt where I wrote “mysqldump -uroot -pvtiger…”