best data analysis tools

If you are about to graduate, you should set a clear direction for yourself. You are still interested in the knowledge of Virus analysis. I have collected some materials to share with you. The following are slightly changed from turtles: Let's talk about the hardware: If conditions permit, two lines provided by different network operators and two or more computers can be configured. Although you can use a virtual machine, some malicious code may hav

Java itself provides a rich variety of methods and tools to help developers view and analyze the state of the GC and its JVM memory, while the open source community has tools to view and analyze the status of GC and JVM memory.With these analyses, you can troubleshoot memory leaks in programs and the performance of tuning programs.1. Output GC LogThe output GC log is undoubtedly the most straightforward met

1, this tool supports the direct drag and drop of log files (one or more) to the window analysis, can automatically identify IIS, Apache, nginx log format. 2, Spider analysis Including a summary analysis, that is, all the different spiders of the number of visits, stay time, total grab data

. This is why Big Data is defined in the following four aspects:Volume, variety, velocity, and veracity (value)That is, 4 V of big data. The following describes each feature and the challenges it faces: 1. Volume Volume refers to the amount of data that must be captured, stored, and accessed by a business. In the past two years, volume has produced 90% of all

[Email protected] ~]# Vim/etc/yum.repos.d/ntop.repo[NTOP]Name=ntop Packagesbaseurl=http://packages.ntop.org/centos-stable/$releasever/$basearch/Enabled=1Gpgcheck=1Gpgkey=http://packages.ntop.org/centos-stable/rpm-gpg-key-deri[Ntop-noarch]Name=ntop Packagesbaseurl=http://packages.ntop.org/centos-stable/$releasever/noarch/Enabled=1Gpgcheck=1Gpgkey=http://packages.ntop.org/centos-stable/rpm-gpg-key-deri2. Install the Yum extension source[Email protected] ~]# RPM-UVH epel-release-6-8.noarch.rpm3, In

Detailed explanation of PHP debugging and performance analysis tools Xdebug and php debugging xdebug During program development, the most commonly used debugging method is to print statements using echo, print_r (), var_dump (), and printf. The execution efficiency of PHP scripts, usually the script execution time. The efficiency of Database SQL is usually the database Query time, but this does not really l

Before the system background alarm too many, simple query the following reason, mainly is the data volume is large, the number of queries and database performance is low caused. At that time, a simple analysis of the database configuration and a few tables with slow log queries added a single-column index to a long-running table, and the effect was more obvious.14 National Day during the background interfac

More than once, we all had the idea of trying to find out what was going on in the bottom of a running program. This need may be due to slow service, Java Virtual Machine (JVM) crashes, hangs, deadlocks, frequent JVM pauses, sudden or persistent high CPU usage, and even terrible memory overflows (oome). The good news is that there are a number of tools available to help you get the different parameters of the Java Virtual machine running, which will h

special feature in code structure analysis, that is, you can see the location where each variable appears separately. if you want to track it, it is no longer convenient. In general, pee is a semi-tone editing environment, which is not convenient in completing and other aspects. Finally, we will introduce two small programs. Phpprocessor, a php code optimization and protection program, can reduce the php file size by removing the comment and press en

I. Overview CurrentlyAndroid3.0 system standardization process to solve the existing defects and problems of the new systemARMWe will discuss the issue of ARM architecture product standardization. Next we will talk about ARM. The development tools of ARM application software depend on different functions, software compilation, assembly software, link software, debugging software, embedded real-time operating system, function library, evaluation board,

classes. In addition, there are duplicate classes functions, but also to assist in the analysis of repeated loading of the class, here is no longer, it is certain that Myabsclass was repeatedly loaded n times. Last In fact, the mat tool is very powerful, the above-mentioned example code does not use the other MAT analysis function, so it is no longer described. In fact, for Oom not only I enumerated

/eclipse//plugins/org. Eclipse. Equinox. Launcher_1. 3. 0. V20140415-.Jar--launcher. Appendvmargs-exitdata220011-product org. Eclipse. Epp. Package. Java. Product-vm/usr/bin/java-vmargs-dosgi. Requiredjavaversion=1.6-xx:maxpermsize= them-xms40m-xmx512m-jar/usr/share/eclipse//plugins/org. Eclipse. Equinox. Launcher_1. 3. 0. V20140415-.Jar3669Main[email protected]:~$ Jps-l4738Sun. Tools. JPS. Jps3540/usr/share/eclipse//plugins/org. Eclipse. Equinox. Lau

__ Created Temp ________________________________________________________ Disk Table 45.90k 0.1/s table 1.67M 2.2/s size:512.0m File 0.0/s __ Threads __ ___________________________________________________________ Running 3 of 9 Cached%hit:99.74 Created 0.0/S Slow 0 0/s __ aborted ______________________________________________________ _______ Clients 187 0.0/s connects 12.89k 0.0/s __ Bytes ________________________________________ _______________________ Sent 5.83G 7.5k/s Received 370.77M 479.7/s