Cool! Glad it solved your issue. I'm not sure if it's really documented any
where or just implied someplace. I ran in to the same issue a year ago when
I started mapreduce and I can't remember how I figured out to do that.
On Tue, Jan 18, 2011 at 5:00 AM, Arun Ramanujapuram
<arun_rama...@yahoo.com>wrote:
> Thank you, Stephen. This works. I could not locate this earlier in the
> mapreduce documentation.
>
> Regards,
> Arun
>
> ------------------------------
> *From:* Stephen Johnson <onepagewo...@gmail.com>
> *To:* google-appengine-java@googlegroups.com
> *Sent:* Sun, 16 January, 2011 1:33:31 AM
> *Subject:* Re: [appengine-java] Mutation pool bug?
>
> Do you have this defined in your mapper class?
>
> @Override
>
> public void taskCleanup(Context context) {
>
> try {
>
> // make sure to call super classes taskCleanup so that the
> DatastoreMutationPool
>
> // gets flushed properly otherwise puts/deletes can be lost;
>
> super.taskCleanup(context);
>
> } catch (Exception ex) {
>
> log.severe(ex.toString());
>
> }
>
> }
>
>
> On Fri, Jan 14, 2011 at 11:34 PM, armanuj <arun_rama...@yahoo.com> wrote:
>
>> Hi,
>>
>> I had earlier posted an issue such as "out of mapper quota" earlier
>> (link below). I had about 260 entities being mapped (for a start), and
>> not entities were getting updated. I was using the mutation pool for
>> updates in the map routine. On further investigations, it appears that
>> the mutation pool flushes after every 100 entities in it, and does not
>> do so for the last batch of entities. Out of the 260 entities,
>> everytime 60 entities would NOT be updated, but 200 would be. This
>> appeared to be true even if your entity count was a multiple of 100 -
>> the last 100 were not getting updated. However, this issue does not
>> exist if I get rid of mutation pool, and put entities directly to the
>> datastore - all entities are updated always.
>>
>> Is this is a bug, or is there something I am not doing correctly with
>> mutation pools? The mutation pool code is fairly simple
>> (mutationPool.put(entity)) - just as in Ikai's mapper blog post.
>>
>> Appreciate your help with this.
>>
>> Regards,
>> Arun
>>
>> Earlier post:
>>
>> http://groups.google.com/group/google-appengine-java/browse_thread/thread/fe7fd75e2fa19a7e/a94b0efc6e50c361?hl=en&lnk=gst&q=out+of+mapper+quota#a94b0efc6e50c361
>>
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