Tagged Questions
1
vote
3answers
155 views
Is it safe to use up all memory on linux server, not leaving anything for the cache?
I have a CentOS server fully dedicated to MySQL 5.5 (with innodb tables mostly). Server has 32 GB RAM, SSD disks, and avarage memory usage looks like this:
So about 25GB is in use and about 6.5GB ...
0
votes
0answers
142 views
APC uptime 0 minutes
I'm using FCGI + APC + SuEXEC + PHP5.3.14 + Apache/2.2.22
On Centos564bit Dual E5620 + 32G DDR3 + cPanel
My problem is APC always 0 or 1 minutes uptime. and Shared Memory :1 Segment(s) with 100.0 ...
1
vote
1answer
687 views
Centos is using all memory for cache and not giving it up
total used free shared buffers cached
Mem: 1024 1020 3 0 0 859
-/+ buffers/cache: 160 863
With 863 ...
0
votes
3answers
768 views
How can I refresh cached IP for a website in CentOS
When I ping a given website from a CentOS 6.2 server console, it pings to that website's old IP address. How can I force CentOS to refresh the cached IP for the website?
I searched and found I could ...
1
vote
4answers
106 views
Is this a good behaviour?
My centos 5.7 is running Magento.
4GB RAM and 4 Cores.
Nginx + spwan-fcgi + memcached (Best performance if you ask me).
Now i'm a little bit concerned about the Memory usage.
[root@adikastyle ...
0
votes
0answers
269 views
Apache CentOS taking up too much (cache?) memory
The server has physical memory of 4gb. We have a desktop CentOS (5.) running a VM (virtualbox) as the server.
The VM is allowed 1.8gb memory (as per VirtualBox recommendation).
My problem is that ...
3
votes
2answers
585 views
Unexplained cache RAM drops on Linux machine
I run a CentOS 5.7 64 machine with 24gb ram and running kernel 2.6.18-274.12.1.el5.
This machine runs only Nginx, php-fpm and Xcache as extra applications.
Since about 3 weeks my memory behavior on ...
1
vote
0answers
315 views
How to measure dcachesize usage (and reduce it)
I have a VPS running CentOS 5.7 (Final), 32-bit.
Right after boot, when I run # cat /proc/user_beancounters I see that my dcachesize usage is at about 4100000, while my VPS is set up with a limit of ...
1
vote
1answer
208 views
Why does my samba server serve data so slowly even when said data is cached?
I have a CentOS 5.6 server with the base Samba install. It has an 8 drive Raid 5 attached to an Areca 1880, hdparm tests give me back ~450MBps and I can confirm close to that with a dd to /dev/null. ...
4
votes
2answers
658 views
Apache web server intermittently serves 403: “Directory index forbidden by Options directive” and 304
We have configured a web site with SSI for .html files on Apache/2.2.19 on CentOS 5.5 Linux. Works OK, but occasionally get 403 for the root page (index.html served as a directory index). No file ...
2
votes
1answer
643 views
Too much memory being swapped out, while cache uses it all on Centos 5.4
I've set swappiness on my DB server to zero, but during a large sort operation the swap space used grew even as the cache was still using a lot of memory, and then cache grew but swap was left alone. ...
1
vote
1answer
569 views
eAccelerator Issue - Cache Directory Empty
Hoping someone can give me a hand with this.
I've recently installated eAccelerator 0.9.6.1 - On a CentOS LAMP server.
Had it working fine, using the /tmp/accelerator as the cache directory.
...
0
votes
1answer
649 views
Is my centOS dedicated server caching disk files appropriately, or not?
Here's the head of the top output from my centOS 5 server, at a moment with very low load. What I want to know is whether it is using its free memory wisely to cache files from disk. Of 2G of RAM, ...
