Hi Margaret, We recently published a blog post that covers how concurrency management works in the API:
http://adwordsapi.blogspot.com/2011/03/concurrency-management-in-adwords-api.html In general large batch sizes are better, but it depends on what's in those batches. One of our best practices revolves around grouping your operations together by parent ID, with more information available here: http://code.google.com/apis/adwords/docs/bestpractices.html#group_operations Best, - Eric Koleda, AdWords API Team -- =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ Also find us on our blog and discussion group: http://adwordsapi.blogspot.com http://groups.google.com/group/adwords-api =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ You received this message because you are subscribed to the Google Groups "AdWords API Forum" group. To post to this group, send email to adwords-api@googlegroups.com To unsubscribe from this group, send email to adwords-api+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/adwords-api?hl=en