Re: [users@httpd] Question about mod_cache

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Joshua, I believe I found the error of my ways about an hour after this post.

I miss-read the documentation in regards to the CacheEnable setting.  I
initially read this as to the physical location on the file system that
contains the items I want cached.  I was wondering why the example had
"CacheEnable mem /".  I then re-read the document and realized it said "URI". 
I then changed the config to use the URI that the incoming requests would hit
and upon restarting the apache server (with disk cache so I could easily verify
it) noticed directory entries in the CacheRoot folder for disk cache.

Is there anything out there that will help me verify cache hits and misses?

Thanks

p.s. I will look into apache 2.1.x after we get through this holiday season.

Matthew

--- Joshua Slive <jslive@xxxxxxxxx> wrote:

> On 11/9/05, Matthew R. Hamilton <matthew.hamilton@xxxxxxxxxxxxx> wrote:
> > I am looking to set up some caching apache servers to offload commonly
> accessed
> > static content.  We had been using IBM's WebSphere Edge Components 5.0.2
> until
> > we started experiancing issues where the ibmproxy process would constantly
> > crash, but not in any sort of predictable manner.  We currently deployed
> apache
> > 2.0.52 on RedHat Enterprise Linux 3 ES (update 3).  I enabled mod_cache as
> well
> > as mod_mem_cache and mod_disk_cache in my test environment.  I was
> expecting to
> > see entries in the CacheRoot folder, which is owned by the user that the
> apache
> > process is running as.  I basicly took the sample httpd.conf from the
> apache
> > site and modified it to fit my environment.
> 
> 
> > I first tried the disk cache only, but never saw any entries in the
> CacheRoot,
> > so then I tried it with the mem_cache and still no entries.  I am not sure
> how
> > to verify if the cache works or not.  What I would like to use is the
> mem_cache
> > for the majority of the content and the disk_cache for other larger pdf
> type
> > files.  Is there anyone out there that knows how to verify if the cache is
> > working or not, or what I might have done wrong.  I can post the whole
> > httpd.conf file if needed.
> 
> Change LogLevel to debug and look in the error log to determine if
> mod_cache is active.  (You can also log the "Age" HTTP Response header
> in the access log to see what responses are cached).  But I wouldn't
> bother trying mod_cache on anything except the very latest 2.0
> versions, and I would recommend using 2.1, which has many cache
> improvements.
> 
> Joshua.
> 
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