akka performance

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Scala Akka Road 5 (Scala trait application scenario analysis)

, if users according to the age of user classification simple classification-youth. Middle age, old age. The basic characteristics of measuring user purchasing ability are divided into the following five categories: time processing characteristics. Location processing characteristics, consumption processing characteristics. Commodity type processing characteristics and potential purchase characteristics; Abstract classes define multiple hook functions according to the computed dimension. Realize

Akka example of 51 bank transfers

Context.stop (self) }defawaitto (customer:actorref): Receive =LoggingReceive{caseBankAccount.Done=> customer!donecontext.stop (self) }}transfermain.scalapackageweek52importakka.actor.actorimportakka.actor.propsimport akka.event.LoggingReceiveclassTransferMainextendsActor{val Accounta=context.actorof (props[bankaccount], "AccountA") valaccountb= context.actorof (props[bankaccount], "ACCOUNTB") accounta!bankaccount.deposit (+) defreceive=LoggingReceive{case Bankaccount.done=>transfer (}deftransf

AkkA HTTP Service Demo

Extendedjsonsupport extends Defaultjsonprotocol {Implicit object Anyjsonformat extends JsonF Ormat[any] {def write (x:any): Jsvalue = x Match {case NULL * = jsnull Case n:int = Jsnumber (n) Case s:string = jsstring (s) Case b:boolean = if (b) Jstrue else jsfalse case L:list[any] = Jsarr Ay (l.tovector.map (v = write (v))) case m:map[string, any] + = {Jsobject (M.map {case (k, v) + = (k, W Rite (v))})} def read (value:jsvalue): any = value match {case jsnull + null case jsnumber (n) = N.in

Akka's Dispatcher study notes

I. Summary Dispatchers is the heart of the Akka application and this is what makes itHumming. Routers on the other hand, route incoming messages to outbound actors II, Dispatcher type DispatcherFeatures are as follows: Every actor is backed by its own mailboxthe dispatcher can is shared with any number of actorsthe dispatcher can be backed by either thread pool or fork join poolthe dispatcher is optimized for non-blocking code Pinned DispatcherCharac

Spark architecture development Big Data Video Tutorials SQL streaming Scala Akka Hadoop

Label:Train Spark architecture Development!from basic to Advanced, one to one Training! [Technical qq:2937765541]--------------------------------------------------------------------------------------------------------------- ------------------------Course System:Get video material and training answer technical support addressCourse Presentation ( Big Data technology is very wide, has been online for you training solutions!) ):Get video material and training answer technical support addressSpa

Scala Classic 99th: Manual artifacts packaging and running SBT development Akka first case

How to package into a jar package:File, Project structure, artfact, point +, JAR, from modules with dependencies ...Select Module----click OK to specify main class.DT Big Data Dream Factory public account: Dt_spark.DT Big Data Dream Factory's public number is Dt_spark, every day will have big data actual combat video release, please continue to study.Liaoliang DT Big Data dream factory Scala all videos, PPT and code in Baidu Cloud disk link:http://pan.baidu.com/share/home?uk=4013289088#category/

Scala in action Classic 95th: Akka The first case of hands-on practical Masteractor code detailed

Masteractor the way to initialize Mapactor,reduceactor,aggregateactor.DT Big Data Dream Factory public account: Dt_spark.DT Big Data Dream Factory's public number is Dt_spark, every day will have big data actual combat video release, please continue to study.Liaoliang DT Big Data dream factory Scala all videos, PPT and code in Baidu Cloud disk link:http://pan.baidu.com/share/home?uk=4013289088#category/type=0 Qq-pf-to=pcqq.groupQQ Group:DT Big Data Dream Factory ①:462923555DT Big Data Dream Fact

Scala Classic 97th: using SBT to develop Akka the first case environment to build a detailed

Install the SBT plug-in File--Setting---Plugins, enter SBT, select SBT, click the Install button.Idea will restart.Enter project name, New project, Scala, SBT.DT Big Data Dream Factory public account: Dt_spark.DT Big Data Dream Factory's public number is Dt_spark, every day will have big data actual combat video release, please continue to study.Liaoliang DT Big Data dream factory Scala all videos, PPT and code in Baidu Cloud disk link:http://pan.baidu.com/share/home?uk=4013289088#category/type=

Akka Cluster First Experience

Actorsystem composed of cluster def main (args:array[string]): Unit = { if (args.isempty) startup (Seq ("2551", "2552", "0")) else Startup (args) } def startup (Ports:seq[string]): Unit = { ports foreach {port = //Override the CONFI Guration of the port val config = configfactory.parsestring ("akka.remote.netty.tcp.port=" + port). Withfallback (Configfactory.load ()) //Create an Akka system val system

Based on the xhprof of the PHP Performance test tool in a production environment. Performance test Tool Web performance test Tool network performance tester

This article is a detailed analysis of the use of PHP performance testing tools in the production environment xhprof, the need for a friend reference Xhprof is a PHP performance testing tool that is open source for Facebook, and it can also be called the Profile tool, a word that doesn't know how to translate. There are many similarities compared to the xdebug that have been used before. Previously there

Preliminary study on performance testing---interface performance test

: 1.gatling:http://gatling.io/#/ Gatling is a Open-source load testing framework based on Scala, Akka and NettyHigh performanceReady-to-present HTML ReportsScenario Recorder and developer-friendly DSL Test script for Scala, short board: No TPS data, Pros: The results are graphically displayed clearly.Some screenshots: Quick Start: http://gatling.io/docs/2.1.7/Website download too slow, has been uploaded to Csdn, download address: http://download.csdn.

Agile development performance management 4: setting external performance targets (target management and export-oriented performance) for teams)

This is the fourth part of agile development performance management. (One, two, three, four, five, six, and seven) I recently read Drucker's book and found that it clearly states the concept and statement "enterprise performance only exists outside, while enterprise internal cost only, next, let's talk about the performance appraisal of the agile development

SQL Performance Optimization-Methods for locating network performance problems (DEMO) and performance optimization demo

SQL Performance Optimization-Methods for locating network performance problems (DEMO) and performance optimization demo Recently, my colleague from the project team told me that he encountered an SQL Performance problem. He said that there were only 69 records in the table, and it took more than two minutes to execute

Performance Test Training: SQL Server performance Test Analysis performance impact of local variables

Label:Poptest is the only training institute for developing Test and development engineers in China, aiming at the ability of the trainees to be competent in automated testing, performance testing and testing tools development. In Poptest's LoadRunner training, in order to improve the performance of students experience, add a lot of server optimization knowledge, for pe

High Performance MySQL Reading Notes-query performance optimization, high performance mysql

High Performance MySQL Reading Notes-query performance optimization, high performance mysql For high-performance database operations, it is not enough to design the optimal database table structure and build the best index. You also need to design the query reasonably. If the query is poorly written, high

CSS performance analysis, how to optimize CSS to improve performance, css Performance

CSS performance analysis, how to optimize CSS to improve performance, css PerformanceI will not be able to afford myself for ten years! Frontend performance optimization has always been a hot topic. We are always doing our best to improve our page performance, such as reducing HTTP requests and using tools to merge and

MySQL Performance bottleneck analysis, performance indicators, metrics collection methods and performance analysis tuning tools

Label:This paper mainly explains MySQL performance bottleneck analysis, performance indicators, performance index information collection tools and methods, analysis of the use of tuning tools.The article has not been completed, the following is an outline.Performance bottlenecks:SlowPerformance Index:Frequency of VisitsNumber of concurrent connectionsCache Hit Ra

Performance optimization PHP optimizes performance tuning and tuning to optimize performance how to optimize the computer

I. Language performance optimization 1. Using the AB tool under Apache for performance testingTest: ab-n100-c100 https://www.baidu.com/(Request 100 times, concurrency is 100)Focus on two volumes:Requests per second (number of requests per second) and time per request (average response times)2. Try to use PHP built-in variables, constants, functions, Reason: PHP code needs to go through the Zend Engine to

Language performance optimization for PHP performance: Install VLD extension--detect performance

the time of the command installation.Check performancePhp-dvld.active =1–dvld.execute=0 test.phpVLD extension of the main two parameter list-dvld.active defaults to 0. Represents whether the PHP file that is running is active VLD hooks,-dvld.execute defaults to 1. Represents only the intermediate code, does not execute the generated intermediate code, can be set to 0, indicating that the intermediate generation code is not executedMore list of parameters can be BaiduAlso refer to: http://blog.c

MySQL Performance bottleneck analysis, performance indicators, performance index information collection tools and methods, analysis of the use of tuning tools

Performance bottlenecks:Slow, write faster than read The main performance indicators:Frequency of visits,The number of concurrent connections,Cache Hit Ratio,Index use,Slow log opening and analysis,Query log, querying logThreads_cached: Whether the connection thread cache is turned onThread_cache_size: The size of the number of thread cachesQuery_cache_size: Query Cache SizeJoin_buffer_size:join Buffer Size

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