在Oracle RAC环境下，每个节点都会有三个IP地址，分别为Public/Private/Vip，这三个IP到底有啥区别呢？分别用在那些场合呢？。

Hazelcast

CAP分别代表：

Instant

c3p0

HikariCP

jasypt

Scheduler

Java Grok is simple tool that allows you to easily parse logs and other files (single line). With Java Grok, you can turn unstructured log and event data into structured data (JSON).