Re: [squid-users] which version of squid is more stable and less cpu greedy?

On 29/08/2013 8:09 p.m., Mohsen Dehghani wrote:
> Hi team
>
> I am planning to install a new squid from scratch. which version is more
> stable

The latest.

> and less cpu greedy?

Depends on the configuration. But the latest version can again can do
more with less CPU in most situations.

> I have installed both both 3.1.19(default Ubuntu repository version) and
> 3.3.8.
> On the same machine with same config and same load(about 60Mbps), I have far
> less cpu usage on 3.1.19 than 3.3.8.(10% compared to 99%)
> so what is the cause?

Faster request rate in the newer one?
    more requests == more CPU use processing them.

Scanning the disk caches?
   lots of disk I/O == lots of CPU context switching

Cache garbage collection?
   lots of disk I/O == lots of CPU context switching

Those are the only known causes of traffic

> There are some features exist in newer versions that I had to move to newer
> versions...
> Which version of squid is SQUID-USERS preference?

Put another way: is CPU usage enough to make anyone prefer to run a
version with a few hundred known bugs and lack of several major HTTP
features?
We have enough of a cross-section of users that you will get a very
mixed response there.

Amos
Received on Thu Aug 29 2013 - 09:32:50 MDT