Jan 15, 2015 · Motivated by this, we present the first comprehensive study on efficient operator states migration, and propose designs and algorithms that ...

Feb 4, 2016 · A typical massively parallel data stream management system answers continuous queries over fast data through interconnected operators, ...

Mar 7, 2022 · Operator migration is a complex process that involves changes in the state and stream management of a running query, typically without any loss ...

This work presents the first comprehensive study on efficient operator states migration, and proposes designs and algorithms that enable live, progressive, ...

Bibliographic details on Optimal Operator State Migration for Elastic Data Stream Processing.

SUMMARY. Processing data in a timely manner, Data Stream Processing (DSP) applications are receiving an increasing interest for building new pervasive ...

3.2.5 Operator Movement Strategy. For distributed execution, the state of the operators needs to be considered when moving an operator between different hosts.

The suggested method evaluates continuous operator performance patterns and makes online scheduling decisions based on the same. The decisions include migrating ...

At startup, Elasticsearch will automatically migrate the data path to the new layout. This automatic migration will not proceed if the data path contains data ...

Mar 17, 2022 · Operators can be stateless, thus not maintaining a state that evolves based on the tuples being processed, or stateful, thus producing output ...