spark remote debugging

Remote debug, especially in the cluster mode, it is very convenient to understand how the code runs, which is also the way the code farmers preferAlthough Scala's syntax is different from Java, Scala is running on a JVM virtual machine, that is, Scala is finally compiled into bytecode to run on the JVM, so remote debugging is how the JVM is debuggedOn the server

Originally wanted to use eclipse, but found a circle on the internet, found that everyone is talking about how good intellij. I was encouraged, and decided to tinker with the IntelliJ on this broken machine.The Spark program remote debugging, is to connect the local IDE to the spark cluster, let the program run side by

Http://zhangrenhua.com Blog has moved background On the premise of installing spark, the code we write needs to be debugged remotely. Read many documents online to find each one that is right and share it today. Modify the configuration file to modify the ${spark_home}/bin/spark-class file, locate the java_opts: Parameter description:-xdebug Enable debugging

I. The purpose of this articleStraggler is the hotspot of research, and there are straggler problems in spark. GC problem is one of the most important factors that lead to straggler, in order to understand the straggler problem caused by GC, we need to learn GC problem first and how to monitor the GC of Spark. GC issues are more discussed, and a series of articles is recommended for learning: to become a GC

tools in the front end. More and more convenient debugging tools are nothing more than a great boon for front-end engineers.In recent years, browser vendors have launched their own remote debugging (remotedebugging) tools, such as opera Mobile can use the cross-device cross-platform desktop developer Tool Opera Dragonfly for

reproduced: http://www.cnblogs.com/zhangdongsheng/p/3411056.htmlEvery time to remote debugging to see a half-day xe2 English help document, today just a bit of time, write it down.First, overview:First of all, C + + Builder remote debugging in two ways, one is called the old-fashioned

Source: http://hi.baidu.com/bjcubbo/item/9da7a339182364f697f88d06; Remote debuggingCodeRemote debugging of liunx code in myeclipseDebug breakpoint debugging is not good in compiled class files, and debugging is not good in liunx. The solution is remote

The original Bo link:http://blog.csdn.net/sunyujia/article/details/2614614 today decided to do something meaningful, write an illustrated blog, why should be illustrated? Because a lot of things may be said in words do not understand, from a previous article I published can be seen,http://blog.csdn.net/sunyujia/archive/2008/03/23/2211109.aspx My friends after the ordinary reaction after reading feel unintelligible, may be I write too simple, the following step into the topic. What is

1. Configuring TomcatLinxu system: tomcat/bin/catalina.sh or startup.sh the beginning of the following additions:Declare-x catalina_opts= "-xdebug-xrunjdwp:transport=dt_socket,server=y,suspend=n,address=9998"9998 is the port we are debugging remotely, which is used later.2. Start TomcatLooking at the Tomcat console output, we can see that the configuration we just had is in effect and the output is as follows:3. Configuring EclipseClick on the debug i

console. log.Compile the script Scriptable remote debugging for remote debugging We think that since the GUI version works so well, we can write something similar and seamless. The main goal is to make full use of the language automation page regression testing that has been selected in Python. Therefore, write an and

Original Blog Address: http://blog.csdn.net/dfdsggdgg/article/details/507303111.center, add the following statement to the first line of the startup.sh fileDeclare-x catalina_opts= "-server-xdebug-xnoagent-djava.compiler=none-xrunjdwp:transport=dt_socket,server=y, suspend=n,address=8000 "(Do not wrap, to be on the same line)Under Ubuntu, add the following statement to the first line of the catalina.sh file catalina_opts= "-xdebug-xrunjdwp:transport=dt_socket,address=8000,server=y, Suspend=n "(Do

Remote Debugging and chromedebugging for mobile Web development and Debugging Before smartphones are deployed in a timely manner, alert is everywhere for mobile device debugging. This is probably the most common method. In the past, many times, to preview the effect of a page on a mobile device, you must first upload t

Xdebug document (7) remote debugging and xdebug document debugging. Xdebug documentation (7) remote debugging, xdebug documentation debugging Xdebug prompts that the debugging client in

Python uses PyCharm for remote development and debugging, and pythonpycharm debugging Background description Sometimes the Python application code runs normally in the local development environment, but after it is put online, there is an inexplicable exception. After repeated troubleshooting, the cause of the problem still cannot be found, so I am thinking, it w

Xdebug documentation (vii) remote debugging, Xdebug document debugging Xdebug prompts the debug client interface to be associated with the PHP run. This section explains how to set up PHP and Xdebug, and recommends some clients. Introduced Xdebug's remote debugger allows you to examine data structures, interactively t

(NewFunction2JavapairrddString, iterableString>>, Time,Void>() {@Override Public VoidCall (JavapairrddString, iterableString>>Stringiterablejavapairrdd, Time time) throws Exception {if(!Stringiterablejavapairrdd.Partitions ().IsEmpty ()) {Stringiterablejavapairrdd.Foreachpartition (NewVoidfunctionIteratorTuple2String, iterableString>>>>() {@Override Public voidCall (IteratorTuple2String, iterableString>>>Tuple2iterator) throws Exception {//Initialize HBase connectionHbaseconnectionfactory.Init

else 2 val n = 100000 * slices val count = spark.parallelize(1 to n, slices).map { i => val x = random * 2 - 1 val y = random * 2 - 1 /span>if ( x * x + y * y 1 ) 1 else 0 }.reduce(_ + _) println("Pi is roughly " + 4.0 * count / n) spark.stop() } } Submitting an app to a remote spark cluster there is a seg

Remote debugging of PHP: XDEBUG. XDEBUG for PHP remote debugging. I used xdebug for local debugging during XDebug development. However, recently I joined some projects, and the environment was too complex, you need to build a local PHP r