->/opt/lampp/etc/php.ini
1)increase them accordingly
post_max_size=500M
upload_max_filesize=500M
max_input_time = 600
memory_limit=900M
max_execution_time=-1
->in opt/lampp/etc/my.cnf
max_allowed_packet=1000
innodb_log_file_size = 50M
->phpMyAdminlibrariesconfig.default.php
$cfg['ExecTimeLimit'] = 0;
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2nd method
goto lampp/phpmyadmin
create two folders in the same directory namely save and upload
goto lampp/phpmyadmin/config.inc.php
$cfg['UploadDir'] = '/opt/lampp/phpmyadmin/upload';
$cfg['SaveDir'] = '/opt/lampp/phpmyadmin/save';
save
and then put the large .SQL file into the upload folder
it will come under the import page automatically