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Re: about memory usage with application written with php and mysql [message #172536 is a reply to message #172532]

Mon, 21 February 2011 17:01

Peter H. Coffin
Messages: 245
Registered: September 2010

Karma:

Senior Member

On Mon, 21 Feb 2011 08:51:53 -0800 (PST), lovecreatesbeauty wrote:
> On Feb 21, 9:11?pm, "?lvaro G. Vicario"
> <alvaro.NOSPAMTH...@demogracia.com.invalid> wrote:
>> I'm not sure about your exact question but Linux tends to consider free
>> memory as a wasted resource (why purchase RAM if you are not using it?)
>> so it normally tries to give it some use (cache or whatever). System
>> load is often a better indicator.
>
> Thank you.
>
> From 89.5% (375900k - 39172k) to 98.7% (375900k - 4876k) of the memory
> is lost in my Php code issuing connection to Mysql. Some queries to
> database may return records of ten thousand.
>
> The Php mannual says it has garbage collection and mysql_close is not
> needed. How can the code lead to memory lose like that? Is the code
> wrong and needs to be rewritten?

It's not lost. It's in use for OS-related things. Any memory that PHP
uses would be in the "Used:" accounting, not in the "not listed but not
'free'" lack-of-accounting, including PHP's use of memor for the MySQL
connections.

--
Remember, a 12'x12'x18" raised floor can hold over a thousand gallons of
blood before it starts to seep up through the cracks.
-- Roger Burton West in the Monastery

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[Message index]

		about memory usage with application written with php and mysql By: lovecreatesbeauty on Mon, 21 February 2011 12:30
		Re: about memory usage with application written with php and mysql By: alvaro.NOSPAMTHANX on Mon, 21 February 2011 13:11
		Re: about memory usage with application written with php and mysql By: lovecreatesbeauty on Mon, 21 February 2011 16:51
		Re: about memory usage with application written with php and mysql By: Peter H. Coffin on Mon, 21 February 2011 17:01
		Re: about memory usage with application written with php and mysql By: Jerry Stuckle on Mon, 21 February 2011 17:28

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