{"id":13930,"date":"2013-06-14T16:47:42","date_gmt":"2013-06-14T07:47:42","guid":{"rendered":"http:\/\/lab.synergy-marketing.co.jp\/blog\/?p=5093"},"modified":"2018-11-14T16:33:54","modified_gmt":"2018-11-14T07:33:54","slug":"compression_tools","status":"publish","type":"post","link":"https:\/\/www.techscore.com\/blog\/2013\/06\/14\/compression_tools\/","title":{"rendered":"\u5727\u7e2e\u30c4\u30fc\u30eb\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6e2c\u3063\u3066\u307f\u305f"},"content":{"rendered":"<p>\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u9045\u304f\u3066\u3001\u6570\u767e MB \u306e\u30d5\u30a1\u30a4\u30eb\u3092\u9001\u308b\u306e\u306b\u304b\u306a\u308a\u6642\u9593\u304b\u304b\u308b\u3093\u3067\u3059\u3088\u306d\u3047\u300d\u3068\u3044\u3046\u8a71\u3092\u805e\u3044\u305f\u306e\u3067\u3001\u4f7f\u3063\u3066\u3044\u308b\u30c4\u30fc\u30eb\u3092\u805e\u304f\u3068 gzip \u3060\u3068\u3044\u3046\u306e\u3067\u3001bzip2 \u3084 xz \u3092\u4f7f\u3046\u3068\u3044\u3044\u304b\u3082\u3057\u308c\u306a\u3044\u3001\u3068\u3044\u3046\u3075\u3046\u306b\u7b54\u3048\u307e\u3057\u305f\u3002\u3042\u3068\u306b\u306a\u3063\u3066\u5b9f\u969b\u306e\u3068\u3053\u308d\u3069\u3046\u306a\u306e\u304b\u3068\u601d\u3063\u305f\u306e\u3067\u3001\u5b9f\u969b\u306b\u3044\u304f\u3064\u304b\u306e\u30d1\u30bf\u30fc\u30f3\u3067\u5727\u7e2e\u3001\u4f38\u5f35\u306b\u304b\u304b\u308b\u6642\u9593\u3068\u5727\u7e2e\u7387\u3092\u6e2c\u3063\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<p>\u7528\u610f\u3057\u305f\u306e\u306f 20MB, 107MB, 1.1GB \u306e3\u7a2e\u985e\u306e\u30d5\u30a1\u30a4\u30eb\u3067\u3001\u3059\u3079\u3066\u30d7\u30ec\u30a4\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u3059\u304c\u3001\u5185\u5bb9\u306f\u30d0\u30e9\u30d0\u30e9\u3067\u3059\u3002\u4f7f\u3063\u305f\u30c4\u30fc\u30eb\u306f gzip, bzip2, xz \u3067\u3059\u3002<\/p>\n<table class=\"outer\">\n<caption>\u5727\u7e2e\u6642\u9593 (sec.)<\/caption>\n<tbody>\n<tr>\n<th><\/th>\n<th>20 MiB<\/th>\n<th>107 MiB<\/th>\n<th>1.1 GiB<\/th>\n<\/tr>\n<tr>\n<th class=\"left\">gzip (default)<\/th>\n<td class=\"right\">0.67<\/td>\n<td class=\"right\">1.02<\/td>\n<td class=\"right\">24.16<\/td>\n<\/tr>\n<tr>\n<th class=\"left\">gzip (best)<\/th>\n<td class=\"right\">4.93<\/td>\n<td class=\"right\">3.44<\/td>\n<td class=\"right\">63.20<\/td>\n<\/tr>\n<tr>\n<th class=\"left\">bzip2<\/th>\n<td class=\"right\">1.73<\/td>\n<td class=\"right\">7.43<\/td>\n<td class=\"right\">270.56<\/td>\n<\/tr>\n<tr>\n<th class=\"left\">xz<\/th>\n<td class=\"right\">8.18<\/td>\n<td class=\"right\">11.85<\/td>\n<td class=\"right\">346.63<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u3069\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u3082\u30c7\u30d5\u30a9\u30eb\u30c8\u30ec\u30d9\u30eb\u306e gzip \u304c\u4e00\u756a\u65e9\u304f\u3001xz \u304c\u4e00\u756a\u6642\u9593\u304c\u304b\u304b\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\n\u6b21\u306b\u5727\u7e2e\u7387\u3092\u898b\u3066\u307f\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u5143\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304b\u3089\u5727\u7e2e\u306b\u3088\u3063\u3066\u3069\u306e\u7a0b\u5ea6\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u6e1b\u5c11\u3057\u305f\u304b\u3092\u5727\u7e2e\u7387\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u5727\u7e2e\u7387\u306e\u53f3\u5074\u306e\u6570\u5b57\u306f\u5727\u7e2e\u5f8c\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3067\u3059\u3002<\/p>\n<table class=\"outer\">\n<caption>\u5727\u7e2e\u7387<\/caption>\n<tbody>\n<tr>\n<th><\/th>\n<th colspan=\"2\">20 MiB (20,482,194)<\/th>\n<th colspan=\"2\">107 MiB (111,778,071)<\/th>\n<th colspan=\"2\">1.1 GiB (1,180,352,167)<\/th>\n<\/tr>\n<tr>\n<th class=\"left\">gzip (default)<\/th>\n<td class=\"right\">77.1%<\/td>\n<td class=\"right\">4,681,476<\/td>\n<td class=\"right\">95.7%<\/td>\n<td class=\"right\">4,805,223<\/td>\n<td class=\"right\">89.5%<\/td>\n<td class=\"right\">124,224,786<\/td>\n<\/tr>\n<tr>\n<th class=\"left\">gzip (best)<\/th>\n<td class=\"right\">79.4%<\/td>\n<td class=\"right\">4,212,965<\/td>\n<td class=\"right\">95.8%<\/td>\n<td class=\"right\">4,748,784<\/td>\n<td class=\"right\">89.6%<\/td>\n<td class=\"right\">122,421,774<\/td>\n<\/tr>\n<tr>\n<th class=\"left\">bzip2<\/th>\n<td class=\"right\">90.7%<\/td>\n<td class=\"right\">1,912,758<\/td>\n<td class=\"right\">96.1%<\/td>\n<td class=\"right\">4,379,552<\/td>\n<td class=\"right\">92.8%<\/td>\n<td class=\"right\">84,921,781<\/td>\n<\/tr>\n<tr>\n<th class=\"left\">xz<\/th>\n<td class=\"right\">94.3%<\/td>\n<td class=\"right\">1,160,628<\/td>\n<td class=\"right\">97.6%<\/td>\n<td class=\"right\">2,660,448<\/td>\n<td class=\"right\">97.9%<\/td>\n<td class=\"right\">24,357,044<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>xz \u306e\u5727\u7e2e\u7387\u306e\u9ad8\u3055\u304c\u76ee\u7acb\u3061\u307e\u3059\u306d\u3002\u307e\u305f\u30d5\u30a1\u30a4\u30eb\u306b\u3088\u3089\u305a\u4ed6\u306e\u3082\u306e\u3068\u6bd4\u3079\u308b\u3068\u5727\u7e2e\u7387\u304c\u5b89\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u6b8b\u5ff5\u306a\u304c\u3089 gzip \u306f\u5727\u7e2e\u7387\u3092\u3042\u3052\u3066\u3082\u3042\u307e\u308a\u52b9\u679c\u306f\u307f\u3089\u308c\u307e\u305b\u3093\u3002<\/p>\n<table class=\"outer\">\n<caption>\u4f38\u5f35\u6642\u9593 (sec.)<\/caption>\n<tbody>\n<tr>\n<th><\/th>\n<th>20 MiB<\/th>\n<th>107 MiB<\/th>\n<th>1.1 GiB<\/th>\n<\/tr>\n<tr>\n<th class=\"left\">gzip (default)<\/th>\n<td class=\"right\">0.122<\/td>\n<td class=\"right\">0.421<\/td>\n<td class=\"right\">5.771<\/td>\n<\/tr>\n<tr>\n<th class=\"left\">gzip (best)<\/th>\n<td class=\"right\">0.119<\/td>\n<td class=\"right\">0.424<\/td>\n<td class=\"right\">5.753<\/td>\n<\/tr>\n<tr>\n<th class=\"left\">bzip2<\/th>\n<td class=\"right\">0.440<\/td>\n<td class=\"right\">1.033<\/td>\n<td class=\"right\">27.478<\/td>\n<\/tr>\n<tr>\n<th class=\"left\">xz<\/th>\n<td class=\"right\">0.107<\/td>\n<td class=\"right\">0.457<\/td>\n<td class=\"right\">5.604<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5727\u7e2e\u3068\u306f\u7570\u306a\u308a xz \u304c gzip \u3068\u540c\u7b49\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3067\u3059\u3002\u3064\u307e\u308a xzgrep \u306a\u3069\u306f zgrep \u306a\u3069\u3068\u540c\u7b49\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u671f\u5f85\u3067\u304d\u308b\u3068\u3044\u3046\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u7d50\u679c\u304b\u3089\u5224\u65ad\u3059\u308b\u306b gzip \u306f\u5727\u7e2e\u7387\u3092\u4e0a\u3052\u305a\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u4f7f\u3046\u306e\u304c\u826f\u3044\u611f\u3058\u3067\u3059\u3002gzip \u306e\u4f7f\u3044\u3069\u3053\u308d\u3068\u3057\u3066\u306f\u5727\u7e2e\u7387\u306f\u305d\u3053\u305d\u3053\u3067\u5727\u7e2e\u3068\u4f38\u5f35\u306e\u901f\u5ea6\u304c\u91cd\u8981\u306a\u3068\u304d\u304c\u826f\u3055\u305d\u3046\u3067\u3059\u3002<br \/>\nbzip2 \u306f\u5727\u7e2e\u901f\u5ea6\u3092\u591a\u5c11\u72a0\u7272\u306b\u3057\u3066\u3082\u5727\u7e2e\u7387\u304c\u6b32\u3057\u3044\u6642\u306b\u4f7f\u3046\u306e\u304c\u826f\u3055\u305d\u3046\u3067\u3059\u3002\u5727\u7e2e\u3057\u305f\u3089\u3042\u307e\u308a\u4f38\u5f35\u3059\u308b\u3053\u3068\u306e\u306a\u3044 DB \u306e\u30c0\u30f3\u30d7\u30d5\u30a1\u30a4\u30eb\u306a\u3069\u306b\u5411\u3044\u3066\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<br \/>\nxz \u306f\u5727\u7e2e\u901f\u5ea6\u3088\u308a\u3082\u5727\u7e2e\u7387\u3068\u4f38\u5f35\u306e\u901f\u5ea6\u304c\u91cd\u8981\u306a\u3068\u304d\u306b\u4f7f\u3046\u306e\u304c\u826f\u3055\u305d\u3046\u3067\u3059\u3002\u4f7f\u3044\u3069\u3053\u308d\u3068\u3057\u3066\u306f\u5f8c\u304b\u3089 grep \u3084 less \u306a\u3069\u3067\u95b2\u89a7\u3059\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306e\u5927\u304d\u3044\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u306a\u3069\u3067\u3057\u3087\u3046\u304b\u3002\u6210\u679c\u7269\u3092\u914d\u5e03\u3059\u308b\u3068\u304d\u306b\u3082\u826f\u3044\u3067\u3059\u306d\u3002<\/p>\n<p>\u307e\u3060\u3042\u307e\u308a\u30e1\u30b8\u30e3\u30fc\u3067\u306f\u306a\u3044 xz \u3067\u3059\u304c\u3001\u4f7f\u3044\u3069\u3053\u308d\u306f\u591a\u305d\u3046\u3067\u3059\u3002\u3061\u306a\u307f\u306b tar \u3082 xz \u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3057\u3066\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<pre>tar Jcf foo.tar.xz foo<\/pre>\n<p>\u9069\u6750\u9069\u6240\u3067\u5727\u7e2e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u4f7f\u3044\u5206\u3051\u308b\u3068\u3044\u3044\u3067\u3059\u306d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u9045\u304f\u3066\u3001\u6570\u767e MB \u306e\u30d5\u30a1\u30a4\u30eb\u3092\u9001\u308b\u306e\u306b\u304b\u306a\u308a\u6642\u9593\u304b\u304b\u308b\u3093\u3067\u3059\u3088\u306d\u3047\u300d\u3068\u3044\u3046\u8a71\u3092\u805e\u3044\u305f\u306e\u3067\u3001\u4f7f\u3063\u3066\u3044\u308b\u30c4\u30fc\u30eb\u3092\u805e\u304f\u3068 gzip \u3060\u3068\u3044\u3046\u306e\u3067\u3001bzip2 \u3084 xz \u3092\u4f7f\u3046\u3068\u3044\u3044\u304b\u3082\u3057\u308c<br \/><a href=\"https:\/\/www.techscore.com\/blog\/2013\/06\/14\/compression_tools\/\">\u7d9a\u304d\u3092\u8aad\u3080...<\/a><\/p>\n","protected":false},"author":33,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[254,18],"tags":[],"_links":{"self":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/13930"}],"collection":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/users\/33"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/comments?post=13930"}],"version-history":[{"count":1,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/13930\/revisions"}],"predecessor-version":[{"id":13937,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/13930\/revisions\/13937"}],"wp:attachment":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/media?parent=13930"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/categories?post=13930"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/tags?post=13930"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}