Re: range request problem

2012-06-12 Thread Leif Hedstrom
On 6/12/12 5:43 PM, Nick Kew wrote: On Tue, 12 Jun 2012 16:51:42 -0600 Yeah, I totally agree. There are some potential alternatives here, such as fixed sized chunking of content perhaps. It's still a difficult problem to solve optimally for every type of request. Your suggested heuristics probab

Re: range request problem

2012-06-12 Thread Nick Kew
On Tue, 12 Jun 2012 16:51:42 -0600 Leif Hedstrom wrote: > On 6/11/12 11:20 PM, Nick Kew wrote: > > On 12 Jun 2012, at 02:49, Leif Hedstrom wrote: > > > >> Another option that I've been pondering, which is more suitable for large > >> contents I think, is to kick off background requests for the fu

Re: range request problem

2012-06-12 Thread Leif Hedstrom
On 6/11/12 11:20 PM, Nick Kew wrote: On 12 Jun 2012, at 02:49, Leif Hedstrom wrote: Another option that I've been pondering, which is more suitable for large contents I think, is to kick off background requests for the full objects. A plugin that does something like: Thoughts? I seem to recol

Re: range request problem

2012-06-11 Thread Alan M. Carroll
Yes. For a range request, if it cannot be satisfied by cache, is just passed on to the origin server. This is because there is no good thing to do with the request as partial responses cannot be cached and (as noted) always fetching the source object is not a good thing. This hasn't come up muc

Re: range request problem

2012-06-11 Thread Nick Kew
On 12 Jun 2012, at 02:49, Leif Hedstrom wrote: > Another option that I've been pondering, which is more suitable for large > contents I think, is to kick off background requests for the full objects. A > plugin that does something like: > > Thoughts? I seem to recollect discussing approaches to

Re: range request problem

2012-06-11 Thread 오재경
> > 1) In read-response-header hook, if the object is a Range response, *and* > it's cacheable, schedule a background load on the task threads. This > obviously has to be done in a way that the same request is only fetched > one, > effectively "locking" it. How do i schedule a background load on

Re: range request problem

2012-06-11 Thread Leif Hedstrom
On 6/11/12 5:34 PM, James Peach wrote: > On 11/06/2012, at 4:23 PM, 오재경 wrote: > >> Hi. >> >> we have an serious issue. we have a customer site whose service is online >> learning and it provides registered members with a player. the player sends >> range request. >> >> Now you can guess what prob

Re: range request problem

2012-06-11 Thread Eric Ahn
> On 11/06/2012, at 4:23 PM, 오재경 wrote: > >> Hi. >> >> we have an serious issue. we have a customer site whose service is online >> learning and it provides registered members with a player. the player sends >> range request. >> >> Now you can guess what problem I confront. we have to cache c

Re: range request problem

2012-06-11 Thread James Peach
On 11/06/2012, at 4:23 PM, 오재경 wrote: > Hi. > > we have an serious issue. we have a customer site whose service is online > learning and it provides registered members with a player. the player sends > range request. > > Now you can guess what problem I confront. we have to cache contents but >

range request problem

2012-06-11 Thread 오재경
Hi. we have an serious issue. we have a customer site whose service is online learning and it provides registered members with a player. the player sends range request. Now you can guess what problem I confront. we have to cache contents but because of the range request traffic server can’t cach