默认情况下,Elasticsearch 用 JSON 字符串来表示文档主体保存在 _source 字段中.像其他保存的字段一样,_source 字段也会在写入硬盘前压缩.The _source is stored as a binary blob (which is compressed by Lucene with deflate or LZ4) 其实就是多个_source合并到一个chunk里进行LZ4压缩! 对于Solr来说:Solr4.8.0里面使用的fdt和fdx的格式是lucene4
Given an array of characters, compress it in-place. The length after compression must always be smaller than or equal to the original array. Every element of the array should be a character (not int) of length 1. After you are done modifying the inpu
引用: using System.IO.Compression; using (FileStream zipToOpen = new FileStream(@"D:\json.zip", FileMode.Open)) { using (ZipArchive archive = new ZipArchive(zipToOpen, ZipArchiveMode.Update)) { ZipArchiveEntry readmeEntry = archive.Entries[]; usin
[抄题]: Given an array of characters, compress it in-place. The length after compression must always be smaller than or equal to the original array. Every element of the array should be a character (not int) of length 1. After you are done modifying th
LZ4使用 make / make clean 得到可执行程序:lz4.lz4c Usage: ./lz4 [arg] [input] [output] input : a filename Arguments : -1 : Fast compression (default) -9: High compression -d : decompression (default for .lz4 extension) -z : force compression -f : overwrite out
LZ4 (Extremely Fast Compression algorithm) 项目:http://code.google.com/p/lz4/ 作者:Yann Collet 本文作者:zhangskd @ csdn blog LZ4格式 The compressed block is composed of sequences. 每个数据块可以压缩成若干个序列,格式如下: (1) literals length of literals. If it is 0, then there is
这是第133篇UWA技术知识分享的推送.今天我们继续为大家精选了若干和开发.优化相关的问题,建议阅读时间10分钟,认真读完必有收获. UWA 问答社区:answer.uwa4d.com UWA QQ群:465082844(仅限技术交流) 资源管理 Q:我有一个关于Crunch压缩图片的AssetBundle打包的问题,Unity官网的AssetBundle用法介绍里有一条,就是说因为使用Crunch压缩之后的图片,打成AssetBundle包再压缩,大小也基本不会有变化,还会导致打包慢+使用时候
一.压缩(1.1)使用gzip进行打包:# time tar -zcf tar1.tar binlog*real 0m48.497suser 0m38.371ssys 0m2.571s (1.2)使用pigz压缩,同时设置最高压缩速度(-1)# time tar -cv binlog* | pigz -1 -p 24 -k >pigz1.tar.gzreal 0m10.715suser 0m17.674ssys 0m1.699s (1.3) 使用pigz压缩,默认压缩比 # time tar