Quote:
Originally Posted by BlownCPU
Hi,
I have recently installed FC11 (fc10.59 from live cd 64bit) and found that Firefox 3.5b4 is slow in looking up web sites.
Every time I go to a web site at the bottom of Firefox it says "Looking up www.google...." annd this can take around 3-5 seconds sometimes more.
If I do the same search on my FC9 machine which is a slower machine which uses Fifefox 2 it is almost instant, the looking up caption is hardly noticeable.
My DNS is through my router at 192.168.1.1, both systems are configured the same.
Has anyone else experienced this?
Cheers,
Blown CPU
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I'm posting this from F11 Firefox 3.5 now and here its working fine. I did how ever find my DNS lookups where slow on first install but I've used DNS cache for a few years, and on setting it up my problem's where solved.
You should check 'about
:config' in firefox for
Code:
network.dns.disableIPv6
and make sure its set to 'true'. It could be the IPv6 look up's slowing you down.
If your problem continues, try install
Code:
yum install bind-utils
then try the dig command to see how long a DNS look up is taking,
this should show you how long a DNS look up takes. If could be a network issue. On my machine the above command looks like;
Code:
dig google.co.uk
; <<>> DiG 9.6.1b1-RedHat-9.6.1-0.3.b1.fc11 <<>> google.co.uk
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 61718
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;google.co.uk. IN A
;; ANSWER SECTION:
google.co.uk. 10 IN A 216.239.59.104
google.co.uk. 10 IN A 72.14.221.104
google.co.uk. 10 IN A 74.125.77.104
;; Query time: 24 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 18 12:29:55 2009
;; MSG SIZE rcvd: 78
If you would like to use DNS cache a good HowTo I use is
This one (opensource.com)