A location or process for storing of transitory or temporary data in order to improve application or system performance.
Questions tagged [cache]
1588 questions
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Cached uid on autofs filesystems
We have some issues with homedirs on our NFS server (SUN S7110). When we change the owner of a file it seems the old uid is cached. The ls -l still shows the old uid. On other systems which mount the same homedir the has the new uid. Is there a…
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Cant access site intermittently, site not available
I have a news site I check stuff for regularly..
Once in a while I can't access it completely from my 5 different browsers and even from the command line, nslookup cant resolve, ping and tracert fails.. All not being able to resolve the site name.…
user61438
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Which is faster, key_cache or OS cache?
In a tb with 1 mil. rows if I do (after I restart the computer - so nothing it's cached):
1. SELECT price,city,state FROM tb1 WHERE zipId=13458;
the result is 23rows in 0.270s
after I run 'LOAD INDEX INTO CACHE tb1' (key_buffer_size=128M and total…
silversky
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Does a web application which is running on SSD need in-memory caching?
My hosting provider offers me to increase my server's memory from 8gb to 24gb, at the same monthly cost of 3x 120gb SSD.
SSD choice seems more reasonable to me; but im curious if my web application will need in-memory caching after it's running on…
Jeff
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Varnish caching apache using address based Basic Authentication
I have an Apache web server hosting a number of sites. On some sites there is HTTP Basic Authentication. I allow some hosts access to the site effectively bypassing the HTTP Auth.
For example:
Allow from 10.10.
I am now placing a Varnish caching…
thepearson
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Caching static content from Adobe, Microsoft, etc
I'm currently running the Apple SUS on a Mac OS X Server in a small office environment. It works well for Apple updates, but I'm still stuck with either manually downloading and installing Adobe/Microsoft updates on each computer or running them…
Tim
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Squid incorrectly serving cache HIT after SSL unwrapping
We have a cloud setup like this:
User Request -> Perlbal (SSL unwrapping) -> Squid (Caching) -> Apache -> HTTP Response
We support SSL on some pages, and not on others. Everything beyond the perlbal layer only process requests over unencrypted…
d11wtq
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Installing AppFabric on Windows Server Datacenter
we are running a virtual server with Windows Server Datacenter (32 bit) and I cannot install AppFabric on it. When I run the executable downloaded from…
Ben
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Apache Httpd bad caching on Drupal pages that include content from Tomcat
I have a Drupal website running on Httpd that makes AJAX calls to fetch fragments of HTML that are served up by JSPs in Tomcat 6 running on a different virtual host. Integration between the two servers is via Jkmod.
When data in the Java backend…
iftheshoefritz
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Why would two load-balanced systems differ so greatly in cached memory?
We have a java application running on two RHEL5.5 systems. We recently got into a situation where we needed to add more memory for both systems.
Each system was rebooted within 5 minutes of each other. We confirmed that the systems were even in…
sjmh
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Shouldn't rndc reload invalidate the cache of that domain?
I've got a nameserver that I updated a zone file on, incremented the serial, and ran rndc reload. I then verified that named saw it in the log, and it did, without errors. But when I run dig domain.tld @localhost note: @localhost is the bind server…
xenoterracide
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Strategy for caching
I have a 5 dedicated servers each running the same version of an application. I'm looking to massively step up our caching strategy to take some load off MySQL as this is our main bottleneck. All the sites are LAMP and each server has approximately…
robjmills
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Should Squid honor no-cache and s-maxage in reverse proxy mode?
I'm using Squid 2.7.STABLE9, which I compiled from source.
My understanding of no-cache is that the cache must revalidate with the origin server before serving up a cached copy of the resource, and that this takes place with an If-Modified-Since…
dbrown0708
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Can anyone help me make my reverse proxy actually cache?
I'm trying to configure a Reverse Caching Proxy but so far have had no luck. I would preferrably like to use apache (that will be all it will be used for), but am open to solutions using other software that can also run on Mac OS X 10.6 (I have also…
Sam Elliott
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