It looks like we agree on the Eddie's original proposal and Marshall's suggestion to add "concurrentConsumers" (NOT "concurrantConsumers" ?) as an attribute to <replyQueue> element.
I will proceed to modify DDE and submit the patch unless someone speaks up :) - Tong On Wed, Aug 6, 2008 at 10:42 AM, Adam Lally (JIRA) < uima-dev@incubator.apache.org> wrote: > > [ > https://issues.apache.org/jira/browse/UIMA-1130?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12620271#action_12620271] > > Adam Lally commented on UIMA-1130: > ---------------------------------- > > I think Eddie is probably right that increasing the number of listeners > should eliminate my need to set a prefetch > 0. A thread that's being used > to execute prefetch isn't doing anything that an additional listener thread > wouldn't also do, as far as I understand it. So I'm +1 to proceed with the > plan as Eddie outlined it. > > > Deployment Descriptor should allow setting the number of concurrent > listeners for a reply queue > > > ----------------------------------------------------------------------------------------------- > > > > Key: UIMA-1130 > > URL: https://issues.apache.org/jira/browse/UIMA-1130 > > Project: UIMA > > Issue Type: Improvement > > Components: Async Scaleout > > Affects Versions: 2.2.2 > > Reporter: Adam Lally > > > > The Spring XML allows setting a concurrentConsumers property for a reply > queue (either an aggregate's collocated reply queue or a remote reply > queue): > > <property name="concurrentConsumers" value="1"/> > > The deployment descriptor should allow setting this property. In some > deployments where remote delegates are scaled out many times, the bottleneck > can become the aggregate deserializing CASes from the reply queue. If the > aggregate is running on a multicore machine it helps to increase the number > of threads that can process the reply queue. > > -- > This message is automatically generated by JIRA. > - > You can reply to this email to add a comment to the issue online. > >
