Re: Re: Re: How dose pipe work in aufs ?

2004-02-19 Thread Henrik Nordstrom
On Thu, 19 Feb 2004, Xia Hongtao wrote: > Maybe in my test environment, the response time not effected by fs I/O so much. > I used polygraph 2.6.7, 1000 robots * 0.2 req/sec * 13KB , cacheable=100%, > recurrence=100%. > So the content will always in memory. What does access.log say about the hit

Re: Re: Re: How dose pipe work in aufs ?

2004-02-19 Thread Henrik Nordstrom
On Thu, 19 Feb 2004, Xia Hongtao wrote: > So in current 2.5.STABLE4 version, just the first 4KB fs I/O was done by > asyncronous threads? If the content is larger then 4KB, the main squid thread > will do the fs I/O remained ? The functions in disk.c is not at all used for aufs disk I/O. These

Re: Re: Re: How dose pipe work in aufs ?

2004-02-18 Thread Henrik Nordstrom
On Wed, 18 Feb 2004, Xia Hongtao wrote: > Dear Henrik Nordstrom: > > I had get the final result of comparing three version.In my new test > environment, the response time: > orig 14.227ms no_pipe 13.550ms pipe_patch 13.905ms What test did you run? And have you verified the results are cons

Re: Re: Re: How dose pipe work in aufs ?

2004-02-17 Thread Xia Hongtao
Dear Henrik Nordstrom: I had get the final result of comparing three version.In my new test environment, the response time: orig 14.227ms no_pipe 13.550ms pipe_patch 13.905ms I have one questions below. === 2004-02-17 12:26:00 you wroted :=== >On Tue, 17 Feb 200

Re: Re: How dose pipe work in aufs ?

2004-02-17 Thread 夏洪涛
Thank you for your reply! I still had some questions below. :-) >On Mon, 16 Feb 2004, [GB2312] 夏洪涛 wrote: > >> I had take a experiment today, and fund that the pipe mechanism is not >> necessary for aufs. > >It is a tradeoff for aufs to not degrade heavily when there is only little >wor

Re: Re: How dose pipe work in aufs ?

2004-02-17 Thread Henrik Nordstrom
On Tue, 17 Feb 2004, [GB2312] ÏĺéÌÎ wrote: > Oh, I get it. Do you mean: When poll/select syscall wait on the ready > FDs, the pipe can wake up poll/select syscall, and enter another loop. > At each loop, storeDirCallback() will be called first. It will poll the > disk I/O status. Yes. > 1. Dose