ES questions

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Be Careful of Cardinality Numeric and date fields are indexed in such a way that ranges are efficient to calculate. This is not the case for string fields, however. To perform a range on a string field, Elasticsearch is effectively performing a term…

[工作记录] Android OpenGL ES: non-square texture - continue

previous: [工作记录] Android OpenGL ES 2.0: square texture not supported on some device recently I found that it is the mipmap of a non-square texture that cause the black texture problem: http://stackoverflow.com/questions/5052762/using-mipmaps-results-…

ES使用org.elasticsearch.client.transport.NoNodeAvailableException: No node available 错误解决方法

1) 端口错 client = new TransportClient().addTransportAddress(new InetSocketTransportAddress(ipAddress, 9300)); 这里9300 写成9200的话会No node available 要是你连的不是本机,注意IP有没有正确 2 )jar报引用版本不匹配,开启的服务是什么版本,引用的jar最好匹配(这个我没有去试,反正我的是匹配的) 3) 要是你改了集群名字,还有设置集群名字 Settings se…

ES代码总结2

本文部分转载于: http://www.cnblogs.com/luxiaoxun/p/4869509.html ElasticSearch的基本用法与集群搭建一.简介 ElasticSearch和Solr都是基于Lucene的搜索引擎,不过ElasticSearch天生支持分布式,而Solr是4.0版本后的SolrCloud才是分布式版本,Solr的分布式支持需要ZooKeeper的支持. 这里有一个详细的ElasticSearch和Solr的对比:http://solr-vs-elast…

ES performance

http://easyice.cn/ https://m.aliyun.com/yunqi/articles/60474 https://www.jianshu.com/c/d5c542376948 https://www.elastic.co/blog/managing-time-based-indices-efficiently https://www.elastic.co/elasticon/conf/2016/sf/quantitative-cluster-sizing https://…

【ES】elasticsearch学习笔记

ES学习 1 优势 1.1 简单 1.1.1 相比Solor配置部署等非常简单 1.2 高效 1.2.1 ES使用Netty作为内部RPC框架,Solor使用Jetty 1.3 插件化 1.3.1 ES易扩展,编写插件即可 1.4 Clients丰富 1.4.1 Java.Python.Rest等各种客户端 1.5 http://www.cnblogs.com/chowmin/articles/4629220.html 1.6 架构 1.6.1 1.6.1.1 1.7 基础视频 1.7.1 ht…

Faster Alternatives to glReadPixels and glTexImage2D in OpenGL ES

In the development of Shou, I’ve been using GLSL with NEON to manipulate image rotation, scaling and color conversion, before send them to video encoder. So I need a very efficient way to transfer pixels between OpenGL and memory space. TheglTexImage…