Re: Load balancing and load determination

2018-12-15 Thread Greg Ames
On Tue, Oct 30, 2018 at 8:53 AM Jim Jagielski wrote: > As some of you know, one of my passions and area of focus is > on the use of Apache httpd as a reverse proxy and, as such, load > balancing, failover, etc are of vital interest to me. > > Thoughts? Ideas? Comments? Suggestions? :) > There

Re: Load balancing and load determination

2018-11-09 Thread William A Rowe Jr
On Thu, Nov 8, 2018 at 1:48 PM Jim Jagielski wrote: > I have a semi-working implementation that I'll be committing to trunk in a > bit... I'm confused. Semi-working would seem to be orthoganal to keeping trunk in a releasable state, but it depends on what you mean. But before you commit a

Re: Load balancing and load determination

2018-11-08 Thread Jim Jagielski
I have a semi-working implementation that I'll be committing to trunk in a bit... > On Nov 8, 2018, at 1:33 AM, Mladen Turk wrote: > > On 30.10.2018. 13:53, Jim Jagielski wrote: >> As some of you know, one of my passions and area of focus is >> on the use of Apache httpd as a reverse proxy

Re: Load balancing and load determination

2018-11-07 Thread Mladen Turk
On 30.10.2018. 13:53, Jim Jagielski wrote: As some of you know, one of my passions and area of focus is on the use of Apache httpd as a reverse proxy and, as such, load balancing, failover, etc are of vital interest to me. Been a while, but seems I'm back :D Love the idea to have more

Re: Load balancing and load determination

2018-11-06 Thread Jim Jagielski
Which is why we allow for both pre-send checks and out-of-band health checks... > On Nov 5, 2018, at 10:58 AM, William A Rowe Jr wrote: > > > The last thing we want are the routing headaches of contacting an > ever-changing list one-or-many potential balancers. And we can't > rely on a dying

Re: Load balancing and load determination

2018-11-06 Thread jean-frederic clere
On 05/11/2018 16:58, William A Rowe Jr wrote: > On Mon, Nov 5, 2018 at 7:48 AM jean-frederic clere > wrote: > > On 30/10/2018 13:53, Jim Jagielski wrote: > > As some of you know, one of my passions and area of focus is > > on the use of Apache httpd as a

Re: Load balancing and load determination

2018-11-05 Thread Stefan Eissing
> Am 05.11.2018 um 16:58 schrieb William A Rowe Jr : > > On Mon, Nov 5, 2018 at 7:48 AM jean-frederic clere wrote: > On 30/10/2018 13:53, Jim Jagielski wrote: > > As some of you know, one of my passions and area of focus is > > on the use of Apache httpd as a reverse proxy and, as such, load >

Re: Load balancing and load determination

2018-11-05 Thread William A Rowe Jr
On Mon, Nov 5, 2018 at 7:48 AM jean-frederic clere wrote: > On 30/10/2018 13:53, Jim Jagielski wrote: > > As some of you know, one of my passions and area of focus is > > on the use of Apache httpd as a reverse proxy and, as such, load > > balancing, failover, etc are of vital interest to me. >

Re: Load balancing and load determination

2018-11-05 Thread jean-frederic clere
On 05/11/2018 15:05, Jim Jagielski wrote: > I was thinking about something more robust and usable than heartbeat (due to > multicast) but similar in basic concept. I remember trying mod_heartmonitor with a simple listener like Where ProxyList is the lit of httpd that are able to proxy to

Re: Load balancing and load determination

2018-11-05 Thread Jim Jagielski
I was thinking about something more robust and usable than heartbeat (due to multicast) but similar in basic concept. > On Nov 5, 2018, at 8:48 AM, jean-frederic clere wrote: > > On 30/10/2018 13:53, Jim Jagielski wrote: >> As some of you know, one of my passions and area of focus is >> on the

Re: Load balancing and load determination

2018-11-05 Thread jean-frederic clere
On 30/10/2018 13:53, Jim Jagielski wrote: > As some of you know, one of my passions and area of focus is > on the use of Apache httpd as a reverse proxy and, as such, load > balancing, failover, etc are of vital interest to me. > > One topic which I have mulling over, off and on, has been the >

Re: Load balancing and load determination

2018-10-30 Thread Mark Blackman
> On 30 Oct 2018, at 12:53, Jim Jagielski wrote: > > As some of you know, one of my passions and area of focus is > on the use of Apache httpd as a reverse proxy and, as such, load > balancing, failover, etc are of vital interest to me. > > One topic which I have mulling over, off and on,

Re: Load balancing and load determination

2018-10-30 Thread Jim Jagielski
> On Oct 30, 2018, at 9:06 AM, Daniel Ruggeri wrote: > > Hi, Jim J; > I recall a while back that Jim Riggs proposed a spec for exactly this a while > back... I think it was shared here on list and some light iteration was done. > IIUC, he was even planning to present it at ACNA until travel

Re: Load balancing and load determination

2018-10-30 Thread Eric Covener
> The main consideration is one of consistency... unless there is some agreed > upon "standard" then comparisons are worthless and the resulting load > balancing will be inaccurate. For example, say that Apache is front-ending 10 > servers, 5 are Apache and other 5 are Foo, but Foo consistently

Re: Load balancing and load determination

2018-10-30 Thread Jim Jagielski
The only reason why I brought up the concept of a benchmark is because it is dead easy to provide the source for said benchmark and have backend servers simply time how long it takes to run it each status update. Each backend would simply then send the "time taken" and that would provide some

Re: Load balancing and load determination

2018-10-30 Thread Yehuda Katz
HAProxy has a similar feature called agent-check ( https://cbonte.github.io/haproxy-dconv/1.8/configuration.html#5.2-agent-check) although in their case, the backend server specifies it's own weight. Either way - whether the frontend or backend determines the weight - it would be useful. - Y

Re: Load balancing and load determination

2018-10-30 Thread Michal Karm
On 10/30/2018 01:53 PM, Jim Jagielski wrote: > As some of you know, one of my passions and area of focus is > on the use of Apache httpd as a reverse proxy and, as such, load > balancing, failover, etc are of vital interest to me. > > One topic which I have mulling over, off and on, has been the >

Re: Load balancing and load determination

2018-10-30 Thread Daniel Ruggeri
Hi, Jim J; I recall a while back that Jim Riggs proposed a spec for exactly this a while back... I think it was shared here on list and some light iteration was done. IIUC, he was even planning to present it at ACNA until travel plans fell through. Hi, Jim R; Any chance you have the