hmm, no idea as it should not happen this way. what is your download
mean? which tool or client is using for the download? is it a Range
request?

and do you have any plugin there? any error report in the traffic.out
and diags.log?

or your may dump the traffic on TCP 8086 for cluster traffic.

or you can try our cluster tree:
https://gitorious.org/trafficserver/taobao/commits/3.2

 


在 2012-11-11日的 09:54 +0100,Aleksandrs Andrijenko写道:
> Hi Ming,
> 
> Thank you for explanation. What could be the issue of first download to 
> start? As i understood in full clustered setup ATS will check if file exists 
> already somewhere in cluster?
> 
> In my case if do start download on 1 server through ATS and after 5 sec on 
> another one for the same file, it hangs on waiting.
> 
> Could be something wrong with multicast network ?
> 
> Regards,
> Alex  
> 
> On Nov 10, 2012, at 8:00 PM, [email protected] wrote:
> 
> > if you need to run at 10Gbit network, you should consider of setup:
> > CONFIG proxy.config.cluster.num_of_cluster_connections INT 10
> > CONFIG proxy.config.cluster.threads INT 10
> > 
> > or more, depends on how much your cpu cores and servers.
> > 
> > the default setting is only one thread and one connection per server,
> > that will limit the traffic as we can only get 300mbps traffic per
> > connection.
> > 
> > FYI
> > 
> > 在 2012-11-10六的 10:40 -0800,James Peach写道:
> >> On 09/11/2012, at 8:09 AM, Aleksandrs Andrijekno <[email protected]> 
> >> wrote:
> >> 
> >>> Hi All,
> >>> 
> >>> I am using latest trafficserver trunk in cluster setup. Does it work
> >>> correctly as I'm getting very strange behavior of network and files are 
> >>> not
> >>> retrieved on normal speed. I do have 10Gbit network but downloads are on
> >>> 60Kbit/s
> >>> 
> >>> Maybe I misconfigured something?
> >> 
> >> Cache clustering is known to work correctly. Maybe ming_zym can give some 
> >> clustering-specific advice, but I'd approach this as a normal performance 
> >> investigation.
> >> 
> >> J
> > 
> > 
> 


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