On mercredi 27 juillet 2011, NopMap wrote: > You know about the throttling of download speed in mod_tile, I guess.
Well no, because I don't use mod_tile, but that is a good idea, instead of blocking completly the ability to download, reducing/limiting the hit rate per minute per IP might be a good idea. I'll try to do something about that. > On my server I use a tile limit per zoom level (automated tile scrapers show > an exponential increase with higher zoom levels) I plan to add a "tile not in the cache penalty" because that's what put all the load, deliverying tiles in cache as close to no impact > and a penalty for > missing/fake agents. How do you know what are fake agents ? > Excessive IPs are blocked for 24h. That's what I'm currently doing, but that's not perfect > Actually, a good strategy is to try and identify the application causing the > load and talk to the author. That sound a good way to find compromise, I don't want to ban, I just want my server not to be sluggish like snails for legitimate usage, but I have problem identifying applications : > Many applications do have a user agent. > Currently the most frequently blocked downloaders in my log are MOBAC and > Locus. > > Do you have any idea who is causing the load? By far the one with more hits (before I rate limited hits) looks strange : It's refererer is : file:///Applications/Install/83F78CDD-FB29-E011-854C-00237DE2DB9E/Install/ and user agent is : NativeHost The second one has what looks a fake user-agent : "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)" (sequential download and IE 6.0, seriously ;-) ) Then comes (or alike): "Dalvik/1.2.0 (Linux; U; Android 2.2.2; LS670 Build/FRG83G)" <troll>But android apps seams more friendly with my server as I didn't find what looks bulk dowloads. android devs more respectfull ? ;-) </troll> I don't know what MOBAC is but I only found 1000 hits with : "MOBAC/1.9_beta_6" in 6 days, so that's clearly not a problem for me. -- sly qui suis-je : http://sly.letuffe.org _______________________________________________ dev mailing list [email protected] http://lists.openstreetmap.org/listinfo/dev
