Hi Dirk-Lüder,

Besides it cheats the other user in the stats page.

Perhaps if the user stats page is causing people to reduce the quality of the ti...@home effort because they're more interested in their own stats than they are in ti...@home quality, then one solution is to remove the user stats page entirely? It looks like from the amount of time my clients have spent in 'waiting 30s server load too high', that there's no shortage of clients who would do the work anyway.


What infrastructure is being overtaxed? Do you need more TRAPI servers,
more load balancers? Overtaxed server infrastucture is bad, so perhaps
this is a good place to start looking at things?

We need more public TRAPI servers

I can provide one if necessary - do you have any load stats on the TRAPI servers? It's difficult to see how much one is needed since the load balancer stats at http://api1.osm.absolight.net/haproxy?stats doesn't have any information on things like request time to the upstream servers.


and we will need a beefier central tile server sometime in the future as the project grows.

Having had a look isn't this - karosm - the bottleneck in the whole system, and the reason that clients are sitting idle most of the time already?

It seems to be doing:
a) distributing work to the clients
b) receiving completed work from the client
c) sole webserver for the osmarender layer

Anything else I've missed? Perhaps these three things could be split out some?


I notice that the munin stats for tah.openstreetmap.org are missing from http://munin.openstreetmap.org/ - are they stored somewhere else?

I think there is some firewalling issue between munin.openstreetmap.org
and server.tah.openstreetmap.org.

Can this be fixed? It's probably fairly important in improving the throughput of the ti...@home clients.


Cheers
James
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