Hi,
I have been getting contention errors when uploading data into the
datastore (note I have tuned the defaults which have worked for other
Kinds):
Note: I am using app engine release 1.3.6 for Mac OS X.
---
Uploading data records.
[INFO] Logging to bulkloader-log-20100819.113509
[INFO
Error rate on my app is way way too high for the past 16 hours.
Getting tons of: too much contention on these datastore entities.
please try again. Appengine status page does show Anamoly for
datastore. AppEngine team, please let know what's going on there. Any
estimates on fix for this issue
Hi Nickolas,
On Wed, Mar 10, 2010 at 12:28 AM, Nickolas Daskalou n...@daskalou.comwrote:
I remember reading a thread not long ago (
http://groups.google.com/group/google-appengine/browse_thread/thread/f69fe7dc4a9bc2ec)
about how put()'ing entities with near-sequential key names or IDs could
Hi Nick,
Thanks for the reply. I've got a few question below that I'm hoping you can
answer.
On 10 March 2010 22:10, Nick Johnson (Google) nick.john...@google.comwrote:
Hi Nickolas,
On Wed, Mar 10, 2010 at 12:28 AM, Nickolas Daskalou n...@daskalou.comwrote:
I remember reading a thread not
On Wed, Mar 10, 2010 at 12:35 PM, Nickolas Daskalou n...@daskalou.comwrote:
Hi Nick,
Thanks for the reply. I've got a few question below that I'm hoping you can
answer.
On 10 March 2010 22:10, Nick Johnson (Google) nick.john...@google.comwrote:
Hi Nickolas,
On Wed, Mar 10, 2010 at 12:28
Great, thanks again Nick!
On 10 March 2010 23:47, Nick Johnson (Google) nick.john...@google.comwrote:
On Wed, Mar 10, 2010 at 12:35 PM, Nickolas Daskalou n...@daskalou.comwrote:
Hi Nick,
Thanks for the reply. I've got a few question below that I'm hoping you
can answer.
On 10 March 2010
After reading these two articles:
Avoiding datastore contention:
http://code.google.com/appengine/articles/scaling/contention.html
Sharding counters:
http://code.google.com/appengine/articles/sharding_counters.html
I'm a little confused at to what causes datastore contention, and how
to design
An entity group is a group of objects, not classes. If Article#1237
and its comments are in a single entity group, then yes you'll have
trouble with more 100 comments per second. Simple solution: Don't
put the comments in the article's entity group.
Jeff
On Fri, Dec 11, 2009 at 12:31 AM,
