International Business Machines Corporation
Operator to processing element assignment in an active stream processing job

Abstract:

Within a portion of a currently executing compiled streams application according to a request to modify a configuration of the portion, a placement is performed of an operator of the currently executing compiled streams application into a processing element, wherein the currently executing compiled streams application has a configuration assigned before application execution began. In response to the placement, a resource allocation corresponding to the placement is performed according to the request, the resource allocation specifying a resource assigned to the processing element. The processing element is activated to execute the operator according to the placement and the resource allocation.