[root@node2 .docker]# docker logs 5c3dd117a10dRunning from: /usr/share/jenkins/jenkins.warwebroot: EnvVars.masterEnvVars.get("JENKINS_HOME")Apr 01, 2017 4:30:45 PM Main deleteWinstoneTempContentsWARNING: Failed to delete the temporary Winstone f…

Java性能调优作为大型分布式系统提供高性能服务的必修课,其重要性不言而喻. 好的分析工具能起到事半功倍的效果,利用分析利器JMC.JFR,可以实现性能问题的准确定位. 本文主要阐述如何利用JFR生成性能日志 JMC:Java Mission Control JFR:Java Flight Recorder 1. 打开JFR JVM_OPT中添加:-XX:+UnlockCommercialFeatures -XX:+FlightRecorder -Djavax.xml.parsers.SAXPa…

1. 生产者 import java.util.Properties; import kafka.javaapi.producer.Producer; import kafka.producer.KeyedMessage; import kafka.producer.ProducerConfig; public class MyProducer { public static void main(String[] args) { Properties props = new Properties…

using System; using System.Collections.Generic; using System.Globalization; using System.IO; using System.Linq; using System.Text; using System.Web; using System.Xml; using System.Xml.Serialization; namespace Common { public class XmlConverter { publ…

Choreographer 的作用主要是配合 Vsync ,给上层 App 的渲染提供一个稳定的 Message 处理的时机,也就是 Vsync 到来的时候 ,系统通过对 Vsync 信号周期的调整,来控制每一帧绘制操作的时机.目前大部分手机都是 60Hz 的刷新率,也就是 16.6ms 刷新一次,系统为了配合屏幕的刷新频率,将 Vsync 的周期也设置为 16.6 ms,每个 16.6 ms , Vsync 信号唤醒 Choreographer 来做 App 的绘制操作,这就是引入 Chore…

Spyder & Kite Spyder The Scientific Python Development Environment / IDE https://www.spyder-ide.org/ Spyder is a powerful scientific environment written in Python, for Python, and designed by and for scientists, engineers and data analysts. Spyder是一个…

   一同事在测试服务器(系统:Windows 2008 R2 Standard 数据库:SQL SERVER 2008 R2)通过链接服务器test使用分布式事务测试时出错,出错信息如下: set xact_abort on begin tran update test.mydb.dbo.test_one set name='test' where  id= 3 ; commit OLE DB provider "SQLNCLI10" for linked server "…

解决方法为将selenium-server-standalone-2.37.0.jar升级至selenium-server-standalone-2.41.0.jar即可. 下载地址:http://selenium-release.storage.googleapis.com/2.41/selenium-server-standalone-2.41.0.jar 这里是因为更新firefox所导致的问题,从27更新到28.0所致. 错误如下: WARN <init>, HHH000409: Us…

Sample This tutorial will show how to instrument a unit test DLL for performance profiling. Visual Studio will allow you to do performance profiling on individual tests (i.e. functions) in a test suite. This can be done in the user interface (i.e. UI…

[-] A What I Am Going To Do B The Setup Steps C Lets Install it   A. What I Am Going To Do B. The Setup Steps C. Lets Install it I have been using JBPM5.3 for some months and then I switch to JBPM5.4. After I download JBPM5.4.Final full installer, I…