Sentence examples for at physical operator from inspiring English sources

In contrast, PARE estimates at physical operator level and counts the occurrence frequency of contention.

Because contention only occurs at the operator placed at the bottom level of the execution plan in form of a tree structure, it is sufficient to allocate a counter recording the occurrence frequency for each physical operator at the bottom level of the execution plan.

Once one physical operator is created at the bottom level of the execution plan, the Increment of the associated counter is invoked.

For example, a FILTER operator accomplishes its operation of discarding the unwanted tuples in the functions of its physical operator.

Then, the physical operator does its own processing logic.

Second, a physical plan is generated by traversing the logical plan to convert each logical operator into an executable physical operator.

Finally, the physical operator will again wrap the output data into a unified tuple to transmit to other operators.

A physical plan is made up of physical operators and their relations.

Unlike logical operators, physical operators are embedded with the concrete execution procedure.

As a result, COGROUP or JOIN operator is translated to several physical operators which will be executed on different physical machines.

The effect of this action will be similar to a link layer denial of service [17] but at the physical layer and without the support neither from the operator nor from specific NodeB, common scenario in mobility cases.