[phpa] Re: Administration Tool
- From: Monte Ohrt <monte@xxxxxxxx>
- To: phpa@xxxxxxxxxxxxx
- Date: Mon, 14 Jan 2002 12:07:07 -0600
In my case with Zend Cache, I have found the stats interface to be a
lifesaver when trying to debug a problem or see what files to exclude
from being cached. But you're right, once things are setup right and
working as expected, the stats are pretty much never touched again. So I
guess it is used more as a debugger/setup tool than a stats tool.
Nick Lindridge wrote:
>
> >
> > Hi,
> >
> > is there some kind of administration tool, which displays the content
> > of the shared memory segment, like paths of cached files, number of
> > accesses, time of last access, ...?
>
> There is but I haven't released it yet. It's partly why 1.2 has stayed as
> 1.2dev for, well, too long really. I wanted in particular to include a
> primitive cache manager/viewer for 1.2, and just haven't had time to finish
> it off.
>
> Currently it shows the cached files, how long they have to live in the
> cache, and the version number. (With 1.2 it's possible that, for a short
> period, there may be more than one cached version of a particular script.)
>
> I'll put a few more features into the viewer and finish it. I didn't want
> to include an API module with phpa, but it would be possible to write some
> php scripts to exec the viewer, return an array with the cache info, and
> then do something with the data in php if anyone felt so inclined and
> believed that it was worth it.
>
> I'm not a fan of cache stats for the sake of them unless they're useful for
> constructively tweaking the system to gain better performance or
> utilisation of resources. Knowing cache usage would allow you to
> appropriately size the shared memory, and knowing if files are being
> frequently modified could be useful as the basis for deciding to exclude
> them from the cache, and so eliminating the cost of caching them. Enabling
> the shm logging and checking the logs initially and every so often is also
> sensible just in case phpa is giving reports of behaviour that may be
> affecting the performance.
>
> My aim though is ideally for people to be able to just install it and
> forget about it, and not need to go examining cache stats.
>
> Nick
>
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--
Monte Ohrt <monte@xxxxxxxx>
http://www.ispi.net/
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