I need to perform large insert operations from an App Engine Application to 
Datastore, as of now, the speed of insertion is around 80 rows per minute 
for a data containing 11 columns and 80000 rows. This speed seems to be 
very slow and I need 80 rows per sec instead of per minute. 

I had searched about batch operations, but still I am not getting 
considerable improvement if I create batches of 50 rows and if I add more 
rows in a batch the operations are not successful. 

Therefore, I need a mechanism by which I can monitor which block of code 
takes more time.

I tried integrating Jamon, but was unable to execute because of jsp errors 
while deploying. I also used Appstats, but found that it does not return 
the time taken by the datastore queries and also it is not monitoring the 
task running on task queue.

Is there any tool from Google that would help to monitor the time taken by 
the block of code in App Engine and also the time taken by the datastore 
read and write operations.

Please acknowledge.

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