Hadoop 配置不当引起集群不稳
配置不当内容资源配置不当:内存、文件句柄数量、磁盘空间
需要调整的地方
Hadoop、OS 配置文件
Oversubscription of MR heap caused swap -> Swap caused RegionSrver to time out and die -> Dead RegionServer caused MR tasks to fial until MR job died.
内存配置不当
TT OOME
JT OOME
Native Threads
Thread 配置不当
Fetch 失败
Replicas
磁盘配置不当
No File
Too Many Files
页:
[1]