Re: proton gradual slowdown -- I know how to cause it

2014-10-27 Thread Rafael Schloming
If this turns out to be the problem then please file a JIRA for it. That code is some of the oldest code in proton and there has been a nice efficient circular buffer implementation available in the codebase for ages now. --Rafael On Mon, Oct 27, 2014 at 1:35 PM, Gordon Sim wrote: > On 10/27/20

Re: proton gradual slowdown -- I know how to cause it

2014-10-27 Thread Gordon Sim
On 10/27/2014 04:39 PM, Bozo Dragojevic wrote: On 27. 10. 14 13:16, Michael Goulish wrote: You know, I thought of something along those lines, but I can't see how it makes the receiver actually use less CPU permanently. It seems like it ought to simply get a backlog, but go back to normal CPU us

Re: proton gradual slowdown -- I know how to cause it

2014-10-27 Thread Bozo Dragojevic
On 27. 10. 14 13:16, Michael Goulish wrote: > You know, I thought of something along those lines, but I can't > see how it makes the receiver actually use less CPU permanently. > It seems like it ought to simply get a backlog, but go back > to normal CPU usage. My guess is that sender creates for

Re: proton gradual slowdown -- I know how to cause it

2014-10-27 Thread Michael Goulish
You know, I thought of something along those lines, but I can't see how it makes the receiver actually use less CPU permanently. It seems like it ought to simply get a backlog, but go back to normal CPU usage. Can you think of any way that a backlog would cause receiver to stay at low CPU? Now

Re: proton gradual slowdown -- I know how to cause it

2014-10-27 Thread Bozo Dragojevic
On 27. 10. 14 09:10, Michael Goulish wrote: > Earlier I reported a very gradual slowdown in the performance > of my simple 1-sender 1-receiver test, on RHEL 7.0 and Fedora 20 > but not on RHEL 6.3 . > > The slowdown caused the test to end up running at half speed after > a billion or two billion