[OSM-talk] High load on the rendering servers?

2015-03-06 Thread Andrew Guertin
For the past few days, lots of things I've changed haven't had their tiles re-rendered, and I noticed that the servers are reporting very high load and lots of dropped tiles: http://munin.openstreetmap.org/renderd-week.html Based on my (completely uneducated) reading of the graphs there, it l

Re: [OSM-talk] High load on the rendering servers?

2015-03-07 Thread Grant Slater
Hi Andrew, Yes were are aware there is an issue. We haven't yet tracked down the issue. We have been discussing it in #osm-dev on http://irc.openstreetmap.org today. Kind regards, Grant Part of the OSM sysadmin On 6 March 2015 at 15:20, Andrew Guertin wrote: > For the past few days, lots of th

Re: [OSM-talk] High load on the rendering servers?

2015-03-07 Thread Simon Poole
Jon Burgess tracked the issue down to a way node being dragged from Japan to Brazil on the 3rd of this month, creating a very very long way that increased the rendering time for a large number of tiles at high zoom levels. Simon Am 07.03.2015 um 21:39 schrieb Grant Slater: > Hi Andrew, > > Yes w

Re: [OSM-talk] High load on the rendering servers?

2015-03-07 Thread Eugene Alvin Villar
On Sun, Mar 8, 2015 at 6:15 AM, Simon Poole wrote: > > Jon Burgess tracked the issue down to a way node being dragged from > Japan to Brazil on the 3rd of this month, creating a very very long way > that increased the rendering time for a large number of tiles at high > zoom levels. > Wow. This

Re: [OSM-talk] High load on the rendering servers?

2015-03-08 Thread Tom Hughes
On 08/03/15 04:28, Eugene Alvin Villar wrote: On Sun, Mar 8, 2015 at 6:15 AM, Simon Poole mailto:si...@poole.ch>> wrote: Jon Burgess tracked the issue down to a way node being dragged from Japan to Brazil on the 3rd of this month, creating a very very long way that increased the ren

Re: [OSM-talk] High load on the rendering servers?

2015-03-08 Thread Christoph Hormann
On Sunday 08 March 2015, Tom Hughes wrote: > > > > Wow. This constitutes an extremely simple way to mount a DoS attack > > on the OSM tileservers. I will have to assume that the Operations > > WG is already thinking of ideas on how to prevent this possibility > > in the future. > > I think I can sa

Re: [OSM-talk] High load on the rendering servers?

2015-03-08 Thread colliar
Am 08.03.2015 um 10:20 schrieb Christoph Hormann: > On Sunday 08 March 2015, Tom Hughes wrote: >>> >>> Wow. This constitutes an extremely simple way to mount a DoS attack >>> on the OSM tileservers. I will have to assume that the Operations >>> WG is already thinking of ideas on how to prevent this

Re: [OSM-talk] High load on the rendering servers?

2015-03-10 Thread malenki
On Sun, 08 Mar 2015 15:45:29 +0100, colliar wrote: > Sounds like work for the editor software if the api is not capable to > prevent moving a node hundreds of kilometres. Even if the API rejects very long ways the editor needs a little work to output a useful error message like "precondition fail