记录些细节的东西

题目是个大话题，不过在Oracle官方的FAQ里，个人觉得短小而精辟。短短几句话，可以让那些对generational collector不太清楚的朋友们迅速了解： The default collector in HotSpot has two generations: the young generation and the tenured generation. Most al...

[color=blue] 简单mark下，不知道是否真有说的那么好。 Garbage-First (G1) Collector is a server-style garbage collector, targeted for multi-processors with large memories, that meets a soft real-time goal with high pro...

HBase的GC策略采用PawNew+CMS, 这是大众化的配置，ParNew经常会出现停顿时间特别长的情况，有时候甚至长到令人发指的地步，例如请看如下日志： 2012-10-17T05:54:54.293+0800: 739594.224: [GC 739606.508: [ParNew: 996800K->110720K(996800K), 178.8826900 secs] 3700...