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요약정보
面向大数据处理框架的JVM优化技术综述 / Survey on JVM Optimization for Big Data Processing Frameworks
Resource Type
Academic Journal
Authors
汪钇丞
;
曾鸿斌
;
许利杰
;
王伟
;
魏峻
;
黄涛
;
WANG Yi-Cheng
;
ZENG Hong-Bin
;
XU Li-Jie
;
WANG Wei
;
WEI Jun
;
HUANG Tao
Source
软件学报 / Journal of Software
. 34(1):463-488
Subject
大数据系统
Java虚拟机
分布式系统
自动内存管理
Language
Chinese
ISSN
1000-9825
Online Access
Scopus
Find it @ DONGA
초록
当前,以Hadoop、Spark为代表的大数据处理框架,已经在学术界和工业界被广泛应用于大规模数据的处理和分析.这些大数据处理框架采用分布式架构,使用Java、Scala等面向对象语言编写,在集群节点上以Java虚拟机(JVM)为运行时环境执行计算任务,因此依赖JVM的自动内存管理机制来分配和回收数据对象.然而,当前的JVM并不是针对大数据处理框架的计算特征设计的,在实际运行大数据应用时经常出现垃圾回收(GC)时间长、数据对象序列化和反序列化开销大等问题.在一些大数据场景下,JVM的垃圾回收耗时甚至超过应用整体运行时间的50%,已经成为大数据处理框架的性能瓶颈和优化热点.对近年来相关领域的研究成果进行了系统性综述:(1)总结了大数据应用在JVM中运行时性能下降的原因;(2)总结了现有面向大数据处理框架的JVM优化技术,对相关优化技术进行了层次划分,并分析比较了各种方法的优化效果、适用范围、使用负担等优缺点;(3)探讨了JVM未来的优化方向,有助于进一步提升大数据处理框架的性能.
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