上善若水
In general the OO style is to use a lot of little objects with a lot of little methods that give us a lot of plug points for overriding and variation. To do is to be -Nietzsche, To bei is to do -Kant, Do be do be do -Sinatra
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Java CMS GC 361s引发的血案      摘要: 文章从Java CMS GC花费361s后引起GemFire节点掉出集群过程中各个节点交互的详细流程以及日志情况,重点介绍了ParNew+CMS GC promotion failed和concurrent mode failure产生的原因以及解决方案。解决方案从两方面入手:JVM参数调优和减少类的创建,其中JVM参数调优过程中详细介绍了ParNew和CMS的工作原理、调优参数、各种不同情况下产生的GC日志解释;着重于避免Full GC引起长时间停顿的问题。  阅读全文
posted @ 2015-08-01 03:02 DLevin 阅读(8628) | 评论 (0)  编辑