Thanks! I will try and add retry functionality.
On Apr 6, 11:50 pm, Jeff S <j...@google.com> wrote: > Hi Marcus, > > The error rate makes me think these are transient errors, so it should > be safe to retry. Be sure to catch the specific exception, since there > are other reasons that a datastore get might fail more consistently. > (like an invalidkeyname ;-) > > Timeouts can also indicate datastore contention since repeated writes > to the same entity (or entity group) can queue up and take too long to > complete, but this would not be the case for gets. > > Happy coding, > > Jeff > > On Apr 6, 12:17 am, Marcus <sucram.mar...@gmail.com> wrote: > > > Hello Jeff! > > > Thanks for your reply. > > > I would estimate that it is around 0.04% of the calls that fails. > > > Would it help to catch thetimeoutexception and do a retry directly > > again or would that also fail? > > > I am mostly worried that the data from the users will go lost. > > > /Marcus > > > On Apr 4, 3:02 am, Jeff S <j...@google.com> wrote: > > > > Hi Marcus, > > > > You are correct that get_by_key_name does tend to be a very efficient > > > query, but it is possible to see atimeoutthough this is usually > > > quite rare as a percentage of overall requests. Do you have a feel for > > > what percentage of these get operations are timing out? > > > > Thank you, > > > > Jeff > > > > On Apr 2, 1:06 am, Marcus <sucram.mar...@gmail.com> wrote: > > > > > Hello! > > > > > I am getting some timeouts in my app. My app uses get_by_key_name > > > > along with alot of other database accessing. I get around 5-10 timouts > > > > each day and it is always get_by_key_name that times out, never any > > > > other database acceses. > > > > > Why could this be? Is there a way to protect the app from these > > > > timeouts. I thought get_by_key_name was a fast access to the database. > > > > The app have akeythat is around 20 characters long and the app have > > > > quite a lot of users (I guess around 200 000). > > > > > File "/base/python_lib/versions/1/google/appengine/ext/db/ > > > > __init__.py", line 849, in get_by_key_name > > > > return get(*keys) > > > > File "/base/python_lib/versions/1/google/appengine/ext/db/ > > > > __init__.py", line 1044, in get > > > > entities = datastore.Get(keys) > > > > File "/base/python_lib/versions/1/google/appengine/api/ > > > > datastore.py", line 221, in Get > > > > raise _ToDatastoreError(err) > > > > File "/base/python_lib/versions/1/google/appengine/api/ > > > > datastore.py", line 1965, in _ToDatastoreError > > > > raise errors[err.application_error](err.error_detail) > > > >Timeout > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appengine@googlegroups.com To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en -~----------~----~----~----~------~----~------~--~---
