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Perfmon4j is a suite of performance monitoring tools that are intended to be used to diagnose performance bottlenecks and monitor throughput and response time in production Java applications. Its main features include servlet response time monitoring, detailed thread trace sampling, Java instrumentation that enables Package, Class, and Method monitoring without code modification, snapshot monitoring of system metrics including Garbage Collection, Memory Pools, etc., an API for applying additional monitoring points via method annotations or in-line timers, and support for dynamically enabling monitors in running applications.

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Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.

2011-10-01 12:00
1.1.1.GA

这次要维修释放包括功能，使 XML 配置较少出错。
This minor maintenance release includes features to make XML configuration less error-prone.

2010-10-07 13:41
1.1.0.GA

能够监视SQL执行时间增加了。此功能提供综合监测，可让您确定什么样的花时间的百分比在SQL与Java应用程序层。
标签: Stable
The ability to monitor SQL execution time was added. This feature provides composite monitoring that allows you to determine what percentage of time is spent in the SQL vs the Java application layer.

2010-06-11 07:45
1.0.2.GA

此版本增加了一个功能强大的新方法，迫使线程跟踪一个特定的线程（或特定要求监测）。现在，您可以强制一个线程跟踪在以下之一的：HTTP请求参数，HTTP会话参数，HTTP的Cookie中，线程的名称，或线程属性。有更多的表现和监测信息记录到SQL数据库的支持。除了MySQL和SQL Server中，也有创造甲骨文和PostgreSQL脚本。
标签: Stable
This release adds a powerful new way to force thread trace monitoring on a specific thread (or a specific request). You can now force a thread trace based on one of the following: HTTP request parameter, HTTP session parameter, HTTP cookie, thread name, or thread property. There is more support for logging performance and monitoring information to an SQL database. In addition to MySQL and SQL Server, there are also create scripts for Oracle and PostgreSQL.

2010-03-16 15:55
1.0.1.GA

基于SQL的appender区间数据已添加。现在您可以配置的时间数据写入到SQL数据库。 “产出间隔数据到SQL数据库”一节中被添加到Perfmon4j与配置示例ConfigSamples.pdf。在释放瓶罐的问题不是针对Java 1.5编译，Log4j的记录并不包括throwable的，和装载的appender没有宣传的属性是固定的。
标签: Stable
A SQL-based appender for interval data was added. You can now configure timing data to be written to a SQL database. An "Output Interval data to a SQL Database" section was added to Perfmon4j-ConfigSamples.pdf with configuration examples. Problems where release Jars were not compiled for Java 1.5, the Log4j logger did not include Throwable, and reloading the appender failed to propagate attributes were fixed.

2009-11-08 20:11
1.0.0.GA

对仪器getter和setter选项现在提供。一个严重的缺陷是固定的，其中全球加载器错误地认为参照已卸载类的类装载器。瑕疵是固定在一个空指针异常被抛出时，一个命名的appender中不存在的SnapShotMonitor配置。瑕疵是固定在其中加载快照监视器包含一个非公开的注解的方法失败。
标签: ga
The option to instrument getters and setters is now provided. A severe defect was fixed in which the global classloader incorrectly maintained reference to classes that have been unloaded by classloader. A minor defect was fixed in which a Null Pointer Exception was thrown when a named appender does not exist in the configuration of SnapShotMonitor. A minor defect was fixed in which loading a snapshot monitor containing a non-public annotated method failed.

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