Java Thread Lock

Last year in the investigation of a lot of java applications, see some of the phenomenon is the programmer to run on their own environment to read the program rarely lead to troubleshooting problems will be more frustrating, so think of writing this series of articles, procedures To provide functionality to end-users, the code is only one part of it, and it needs to be relied on for jvm, os, server hardware, networking, load balancing, etc. In this series of articles, Several parts, more is only a science role, because os I use are linux, this series ...

Includes tools such as the wrkjvmjob provided in I 6.1 and above, as well as an introduction to the related macros provided in STRSST. This article chooses some author in the work and the practice process frequently uses the function and the choice to carry on the explanation, and interspersed some http://www.aliyun.com/zixun/aggregation/17253.html "> FAQ's summary and the ponder." IBM Marvell for Java (IT4J) is an IB ...

Java Iterable interface and the Iterator interface. The class that implements the Iterable interface is iterable; the class that implements the Iterator interface is an iterator.

This article series consists of two parts, and in part 1th of this series you will learn how to use the Tiyatien Center API and how to monitor deadlocks in a running Java application. Part 2nd uses the deadlock detection application developed in this article and adds a method to analyze the view to show where the application spends most of its CPU cycles. Have you ever encountered an application server hang without a clear cause or a Java application has become unresponsive? Is your application memory ...

Computing hardware is fast 8084.html "> booming. While the clock speed is stationary, the transistor density is growing. Processor manufacturers want to improve multiprocessing by having multiple cores and hardware threads per chip. For example, IBM power7® symmetric multiprocessor architectures support up to 4 threads per kernel, 8 cores per chip, and 32 chip slots per server to achieve high parallelism, a total of http://www.aliyun.com/z ...

Starting from January 11, 12306 websites began selling train tickets on New Year's Eve. At this point, the railway system's only official purchase site 12306 will become a target. 　　This year is no exception, 12306 is again submerged in a complaint sound. January 10, an ID named "Code Dog" of the former Taobao engineer, and later in a power company to do technical VP of the IT industry also in the famous forum "Sisi" on the dispatch, expressed his own views on the 12306 system. It is noteworthy that the "Code dog" in the 12306 system just online ...