This is really cool. I recently wrote a script to do a 'slow down' that writes decreasing percentages to the stats socket over a configurable time window.
It would be really cool to be able to use the slow start logic internal to haproxy combined with this command to implement all of what I described above in haproxy. I could toss my code then. On Sun, Jan 31, 2010 at 10:54 AM, Cyril Bonté <[email protected]> wrote: > Hi willy, > this is a first attempt to add a maintenance mode on servers, using the stat > socket (in admin level). > > It can be done with the following command : > set maintenance <backend>/<server> on (or off to leave the maintenance mode). > > In this mode, no more checks will be performed on the server and it will be > marked as a special DOWN state (MAINT). > If some servers were tracking it, they'll go UP until the server leave the > maintenance mode. > The stats page and the CSV export also display this special state. > > This can be used to disable the server in haproxy before doing some > operations on this server itself. > This is a good complement to the "http-check disable-on-404" keyword and > works in TCP mode. > > Tell me if it looks OK for you or if it needs some more work. > Thanks ;) > > -- > Cyril Bonté >
