[OSM-dev] how many api calls/time for an app allowed?

Gary68 gary at gary68.de
Fri Jul 3 18:20:18 BST 2009


hi,

thanks for the information!

gary68


Am Freitag, den 03.07.2009, 18:11 +0100 schrieb 80n:
> Gary
> The main XAPI server (hypercube) went down on June 6th for an unknown
> reason.  It failed to restart (hanging in GRUB) which took some time
> to resolve. 
> 
> The server was finally restarted a few days ago.  I am now
> resynchronising the database to a) catch up with changes since June
> 6th and b) to deal with the missing elements that you mention.
> 
> The missing elements were caused by the Osmosis minute diff which,
> since 0.6, missed some elements from large changesets.  This has been
> resolved by delaying the minute feed by 30 minutes so will not happen
> again once the synchronisation is complete.
> 
> Performance is a function of the speed of the server and demand.
> Generally demand is always high and the server is used for other
> services as well.  The solution to this is lots more servers.
> 
> I expect the main XAPI service to be available again within a few days
> once the re-synchronisation is complete.
> 
> 80n 
> 
> On Fri, Jul 3, 2009 at 5:29 PM, Gary68 <gary at gary68.de> wrote:
>         there is more or less constantly talk about non-responding
>         XAPI. and we
>         discovered several times that elements are missing in XAPI
>         output.
>         
>         and XAPIs were slow in the past.
>         
>         one question was: when would XAPI be back online a few days
>         ago. did i
>         miss the answer?
>         
>         basically at the moment it seems you can't rely on XAPI
>         service...
>         
>         thanks
>         
>         gerhard
>         
>         
>         
>         Am Freitag, den 03.07.2009, 16:20 +0100 schrieb 80n:
>         
>         > On Fri, Jul 3, 2009 at 2:01 PM, Gary68 <gary at gary68.de>
>         wrote:
>         >         hi,
>         >
>         >         i am playing with the idea of providing "real time"
>         error
>         >         checking on
>         >         osm data. usually one would use the XAPI. but since
>         it is
>         >         unreliable and
>         >         obviously misses data and it seems no one really
>         cares (no
>         >         ansers to
>         >         questions about that matters on the mailing list -
>         at least
>         >         not
>         >         satisfying ones) one would use the API instead.
>         >
>         > Gary
>         > What questions do you need answers about?
>         >
>         > 80n
>         >
>         >
>         >
>         >         so let's say i would need ~500 calls a day for an
>         application,
>         >         each
>         >         requesting a "tile" of 0.01 by 0.01 deg. would i or
>         my
>         >         application be
>         >         stopped doing so? it is only read access!
>         >
>         >         thanks
>         >
>         >         gerhard
>         >         gary68
>         >
>         >
>         >
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>         
>         
> 





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