DR-Update: A Dual-Level Relay Scheme in Erasure-Coded Storage Systems for Balanced Updates

@article{Deng2017DRUpdateAD,
  title={DR-Update: A Dual-Level Relay Scheme in Erasure-Coded Storage Systems for Balanced Updates},
  author={Mingzhu Deng and Songping Yu and Nong Xiao and Fang Liu and Zhiguang Chen},
  journal={2017 IEEE 15th Intl Conf on Dependable, Autonomic and Secure Computing, 15th Intl Conf on Pervasive Intelligence and Computing, 3rd Intl Conf on Big Data Intelligence and Computing and Cyber Science and Technology Congress(DASC/PiCom/DataCom/CyberSciTech)},
  year={2017},
  pages={1150-1159}
}
The conventional update scheme of erasure-coded systems adopts a naive star structure for data transmission, causing excessive cross-rack traffic and suffering from potential single-node bottleneck problem, which, if not addressed, would throttle the system before any repair process optimization takes effect. In this paper, we propose DR-Update: A Dual-level Relay Update scheme to 1) minimize cross-rack traffic, 2) alleviate the single-node bottleneck problem, and 3) further balance rack-level… CONTINUE READING