All Questions
Tagged with performance-tuning debian
8 questions
8
votes
2
answers
16k
views
How to raise max no of file descriptors for daemons running on Debian Jessie?
I'm playing with pgBouncer as a connection pooling system for PostgreSQL. My system is a 12-core with 64GB RAM and 1Gbps network interface running Debian 8.1. Now I want to raise the limit for open ...
3
votes
2
answers
3k
views
Running "find" command generates high load
I run this command on a Debian server with SSD drives configured as RAID 1:
ionice -c 3 find . -type f -amin -1440 -mmin +1441 -not -path custom/ -print0
on a path which contains over 1.7M files and ...
1
vote
1
answer
1k
views
How can i speed up an XWiki installation on debian?
We installed XWiki on Debian. Page load times in default config were about 2 seconds. Tuning the memory parameters according to the XWiki performanve guide brought it down to 1 second. But for a local ...
2
votes
1
answer
230
views
Server load avg. hitting 16-20, but all resources under 90% usage?
As you can see in the image shared below, the server load peaked to almost 20 but the CPU, RAM, DISK IO and Network I/O remained well under their full capacity. My question is:
1). What caused the ...
1
vote
0
answers
450
views
Can I tune my Debian KVM server to benefit my Windows guest?
Debian Squeeze KVM server with Win2k8 server guest. The server has 16GBs of RAM and the guest only runs MS SQL, with a 15GB database on it. I am wondering if there is anything I can tune from the ...
9
votes
1
answer
9k
views
Best sysctl.conf configuration for high load - extremely busy content streaming server
What is the best sysctl.conf configuration for a high load, extremely busy content streaming server ?
The server fetches the content from remote servers like amazon, s3, etc. then uses php to ...
13
votes
5
answers
16k
views
Performance Tuning a High-Load Apache Server
I am looking to understand some server performance problems I am seeing with a (for us) heavily loaded web server. The environment is as follows:
Debian Lenny (all stable packages + patched to ...
1
vote
3
answers
10k
views
How to see actual size of tcp send and receive buffers?
we are on a debian system and are trying to tune the tcp/ip stack to our needs. We all know that you can set the maximum tcp buffer size with some kernel parameters like this:
net.ipv4.tcp_wmem = ...