PHP maximum execution time when importing SQL data file

Question

I am trying to import a large  sql data file using phpMyAdmin in XAMPP  However this is taking a lot of time and I keep getting      Fatal error  Maximum execution time of 300 seconds exceeded in C  xampp phpMyAdmin libraries dbi DBIMysqli class php on line 285   And the file is about 1 2 million lines long   The file is about 30MB big  so it is not that big  I don t really understand why it is taking so long                         Resource Limits                          Maximum execution time of each script  in seconds   http   php net max-execution-time   Note  This directive is hardcoded to 0 for the CLI SAPI max execution time 30000    Maximum amount of time each script may spend parsing request data  It s a good   idea to limit this time on productions servers in order to eliminate unexpectedly   long running scripts    Note  This directive is hardcoded to -1 for the CLI SAPI   Default Value  -1  Unlimited    Development Value  60  60 seconds    Production Value  60  60 seconds    http   php net max-input-time max input time 60    Maximum input variable nesting level   http   php net max-input-nesting-level  max input nesting level   64    How many GET POST COOKIE input variables may be accepted   max input vars   1000    Maximum amount of memory a script may consume  128MB    http   php net memory-limit memory limit 200M   The is the config file for php ini in xampp  for some reason i still get      Fatal error  Maximum execution time of 300 seconds exceeded in C  xampp phpMyAdmin libraries dbi DBIMysqli class php on line 285

User · Answer

Set Only 3 Parameters from php ini file of your server  A  max execution time   3000000  Set as per your requirment  B  post max size   4096M C  upload max filesize   4096M  Edit C  xampp phpMyAdmin libraries config default php Page   cfg  ExecTimeLimit     0    After all set  restart your server and import again your database   Done

User · Answer

This worked for me  If you got Maximum execution time 300 exceeded in DBIMysqli class php file  Open the following file in text editor C  xampp phpMyAdmin libraries config default php then search the following line of code    cfg    ExecTimeLimit       300    and change value 300 to 900   https   surya2in1 wordpress com 2015 07 28 fatal-error-maximum-execution-time-of-300-seconds-exceeded

User · Answer

1-make a search in your local drive and type  php ini   2-you may see many files named php ini you should choose the one that fits with your php version  see localhost   3-open the php ini file make a search on  max execution time  then make it equal to  -1  to make it unlimited

User · Answer

Well  to get rid of this you need to set phpMyadmin variable to either 0 that is unlimited or whichever value in seconds you find suitable for your needs  Or you could always use CLI command line interface  to not even get such errors For which you would like to take a look at this link   Now about the error here  first on the safe side make sure you have set PHP parameters properly so that you can upload large files and can use maximum execution time from that end  If not  go ahead and set below three parameters from php ini file    max execution time 3000000  Set this as per your req  post max size 4096M upload max filesize 4096M   Once that s done get back to finding phpMyadmin config file named something like  config default php   On XAMPP you will find it under  C  xampp phpMyAdmin libraries  folder  Open the file called config default php and set     cfg  ExecTimeLimit     0    Once set  restart your MySQL and Apache and go import your database   Enjoy

User · Answer

Is it a  sql file or is it compressed   zip   gz  etc   Compressed formats sometimes require more PHP resources so you could try uncompressing it before uploading   However  there are other methods you can try also  If you have command-line access  just upload the file and import with the command line client mysql  once at the mysql gt  prompt  use databasename  then source file sql    Otherwise you can use the phpMyAdmin  UploadDir  feature to put the file on the server and have it appear within phpMyAdmin without having to also upload it from your local machine   This link has information on using UploadDir and this one has some more tips and methods

User · Answer

The following might help you   ini set  max execution time   100000    And in your mysql - max allowed packet 100M in some cases where queries are too long sql also produce and error  MySQL server has gone away    Change the values to whatever you need

User · Answer

Never change original config default php file  Changing general executing time in php ini has no effect on phpmyadmin scripts  Use a new config inc php or the config sample inc php provided in the  phpMyAdmin folder instead  You can set  cfg    ExecTimeLimit       0  means endless execution in the config inc php as recommended above  Be aware this is not a  normal  ini file  Its a php script  so you need a open  lt  php at the beginning of that file  But most important  Do not use this procedure at all  phpmyadmin is okay for small database but not for huge databases with several MB or GB    You have other tools on a server to handle the import   a  If you have a server admin     system like Plesk  use there database import tool   b  use ssh commands to make database dump or to write databases directly in     mysql via ssh  Commands below   Create a database dump   mysqldump DBname --add-drop-table -h DBhostname -u DBusername -pPASSWORD  gt  databasefile sql   Write a database to mysql   mysql -h rdbms -u DBusername -pPASSWORD DBname  lt  databasefile sql

User · Answer

After trying many things with no success  I ve managed to get SSH access to the server  and import my 80Mb database with a command line  instead of phpMyAdmin  Here is the command   mysql -u root -p -D mydatabase -o  lt  mydatabase sql   It s much easier to import big databases  if you are running xammp on windows  the path for mysql exe is C  xampp mysql bin mysql exe

User · Answer

You re trying to import a huge dataset via a web interface     By default PHP scripts run in the context of a web server have a maximum execution time limit because you don t want a single errant PHP script tying up the entire server and causing a denial of service     For that reason your import is failing   PHPMyAdmin is a web application and is hitting the limit imposed by PHP     You could try raising the limit but that limit exists for a good reason so that s not advisable   Running a script that is going to take a very long time to execute in a web server is a very bad idea     PHPMyAdmin isn t really intended for heavy duty jobs like this  it s meant for day to day housekeeping tasks and troubleshooting     Your best option is to use the proper tools for the job  such as the mysql commandline tools   Assuming your file is an SQL dump then you can try running the following from the commandline   mysql -u your user name here  -p your password here  -h your sql server name here   db name here   lt   path to your sql dump sql   Or if you aren t comfortable with commandline tools then something like SQLYog  for Windows   Sequel Pro  for Mac   etc may be more suitable for running an import job

User · Answer

Best solution for this error when i tried some points  Follow this steps to solve this issue    locate the file  XAMPP Installation Directory  php php ini  e g  C  xampp php php ini  open php ini in Notepad or any Text editor locate the line containing max execution time and increase the value from 30 to some larger number  e g  set  max execution time   90  then restart Apache web server from the XAMPP control panel

User · Answer

Simply set  cfg  ExecTimeLimit     0  In xampp phpMyAdmin libraries config default php   Maximum execution time in seconds  0 for no limit    And make this below changes in php ini file as per file size   post max size   600M  upload max filesize   500M  max execution time   5000  max input time   5000  memory limit   600M   But make sure  post max size  and  memory limit  should be more than upload max filesize     Note - Don t forget to restart your server

User · Answer

You can increase the limit   ini set  max execution time   3000      Note that this script can cause high memory usage as well  so you probably have to increase that as well   Other possible solution  Chunk your sql file  and process it as parts  I assume  it is not one big SQL query  is it   Update  As  Isaac pointed out  this is about PHPMyAdmin  In this case set max execution timeout in php ini   The location depends on your environment

User · Answer

There s a configuration variable within the phpMyAdmin directory that you can find in libraries config default php called  cfg  ExecTimeLimit   that you can set to whatever maximum execution time you need

User · Answer

you must change php admin value max execution time in your Alias config   XAMPP alias phpmyadmin conf   answer is here  WAMPServer phpMyadmin Maximum execution time of 360 seconds exceeded

[php] PHP: maximum execution time when importing .SQL data file

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