Purpose of testing:Understand performance of building up drools rule engine and evaluating rules when number of rules grow. In this testing, we generate rules that contain 3 variables, each vari
Various netty tricks, mostly about error handling
Setup1Nodeclusteronmylocallaptop:8core,Xms=8G,Xmx=8GIndexingperformance(Singleindex):10millionpayments,eachoneabout5KB,withbatchsize=10000.Eachbatchtakesroughly2.5s→4s,totaltimetoindex10millionpayment
Producer:Brokercansendtoproduceraconfirmationafterreceivingmessageandsuccessfullypersistedit.Theproducerneedstoregisteraconfirmationlistenertoprocesstheconfirmationmessage.Inconfirmationmode,eachprodu
Risk NameRisk DescriptionPreventionSQL InjectionInput some sql statement in html form's text field (For example, search condition), which may cause additional harmful SQL (Eg. delete) to be executed w
概述:核心技术要求:不丢单,分布式订单抓取订单下拉技术选择,推送还是抓取?目前采取定时抓取的方式,抓取的方式更加合理,因为可以控制订单流入的速度,防止超出后台系统的处理能力. 一般采取按时间分片的方法: 每次任务执行抓取一个时间段内的订单,为了保证订单不丢失,我们会让每个时间片边界有几秒的重叠.作为订单中台,往往会从多个平台抓取订单, 那么我们可以考虑分配多个服务器来完成订单抓取任务,
Solr.LatLongType Definition: <fieldType name="location" class="solr.LatLonType" subFieldSuffix="_coordstore"/><dynamicField name="*_c
Memcached is a high performance centralized cache system that stores data as key/value pair. It is usually used as L2 cache that serves as a database front. However, memcached lack of features that ty
Problem1: There is no grammar information generated in wadlCause:org.apache.cxf.jaxrs.model.wadl.WadlGeneratorrelies on org.apache.cxf.jaxrs.utils.ResourceUtilsto create a JAXBContext, without a JAXBC
Apache mod cache Two files will be created, containing cache-data and cache-header To store items in the cache, mod_cache_disk creates a 22 character hash of the URL being requested. This ha
Swagger JavadocLink:https://github.com/ryankennedy/swagger-jaxrs-doclet Usage:Allow swagger definition json file to begenerated on building the maven project. Add the following to your rest
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