本文介绍了 Java 应用常见的 CPU & JVM 内存热点原因及优化思路。 双十一大促前夕，部门组织了核心应用全链路压测，你负责的订单中心在第一波压测流量脉冲下 CPU 利用率瞬间飙升到 95% 以上，接口调用大量超时，成为全链路卡点，最终导致压测活动草草结束 ...

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Java compilers take center stage in this second article in the JVM performance optimization series. Eva Andreasson introduces the different breeds of compiler and compares performance results from ...

The terms JVM tuning and Java optimization are often used interchangeably, but there is an important difference between the two practices. In short, JVM tuning requires some tradeoff between metrics ...

The Java ecosystem supports a host of outstanding back-end frameworks, including many written for modern languages like Scala and Kotlin. Here's how seven top frameworks for Java and JVM languages ...

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The Java Virtual Machine (JVM) is a vital part of modern distributed computing. It is the platform of big data applications like Spark, HDFS, Cassandra,and Hive. While the JVM provides “write once, ...