Scheduling Online Repartitioning in OLTP Systems

Kaiji Chen, Yongluan Zhou, Yu Cao

Publikation: Kapitel i bog/rapport/konference-proceedingKapitel i bogForskningpeer review

Abstrakt

Previous studies on automatic database partitioning mostly focus on optimizing the (re)partitioning scheme for a given database and its query workload, while overseeing the problem about how to efficiently deploy the partition scheme onto the database system, which is, however, often non-trivial and challenging, especially in a distributed OLTP system where repartitioning is expected to take place on-line without interfering the user transactions. In this paper, we propose SOAP, a system framework for <u>s</u>cheduling <u>o</u>nline d<u>a</u>tabase re<u>p</u>artitioning for OLTP workloads. SOAP aims to minimize the time frame of executing the repartition operations while guaranteeing the correctness and performance of user transactions. It models and groups the repartition operations into repartition transactions, and then mixes them with the normal transactions for holistic scheduling optimization. SOAP utilizes a cost-based approach to prioritize the repartition transactions, and leverages a feedback model in control theory to determine in which order and at which frequency the repartition transactions should be scheduled for execution. When the system is under heavy workloads, selected repartition operations would piggyback onto the normal transactions to mitigate the repartitioning overhead. We have built a SOAP prototype on top of PostgreSQL and running at Amazon EC2, and conducted a comprehensive experimental study validating SOAP's significant performance advantages.
OriginalsprogEngelsk
TitelProceedings of the Middleware Industry Track
ForlagAssociation for Computing Machinery
Publikationsdato2014
Sider4:1-4:6
ISBN (Trykt)978-1-4503-3219-4
DOI
StatusUdgivet - 2014
BegivenhedMiddleware’14:Industry short papers - Bourdeaux, Frankrig
Varighed: 8. dec. 201412. dec. 2014

Konference

KonferenceMiddleware’14:Industry short papers
Land/OmrådeFrankrig
ByBourdeaux
Periode08/12/201412/12/2014

Fingeraftryk

Dyk ned i forskningsemnerne om 'Scheduling Online Repartitioning in OLTP Systems'. Sammen danner de et unikt fingeraftryk.

Citationsformater