Re: which pages of the file are in the cache
Re: which pages of the file are in the cache
- Subject: Re: which pages of the file are in the cache
- From: Fritz Anderson <email@hidden>
- Date: Tue, 18 Aug 2009 09:43:10 -0500
On 18 Aug 2009, at 8:17 AM, Joel Reymont wrote:
I'm tasked with improving Firefox startup performance on Mac OSX.
Is there a way to find out what pages of a file are in the
filesystem cache?
Is this a good list to discuss IO performance?
In the spirit of what-have-you-done, is your question based on
performance statistics from Shark? Particularly the Time Profile (All
Thread States) and System Trace techniques? Does the File Activity
template in Instruments tell you anything about locality of access?
Second-guessing the filesystem sounds like a world of hurt, dependent
on OS, hardware, and differences between runs. Maybe there are in-app
strategies that will pay off before you get into it.
— F
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