Description:
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popen commnads uses cpu of application server rather than database server.

when I run command popen("php -q filename.php");

where filename.php have some query whose database connection goes to 
some other database. 

CPU Utilization of current server server goes high istead of mysql server.

Expected result:
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CPU Utilization of current server server should not be much affected as queries are running on mysql server which is normally the case when we run queries.