\u3082\u3061\u308d\u3093\u3067\u3059\u3002\u4ee5\u4e0b\u306fGZIP\u5727\u7e2e\u306b\u95a2\u3059\u308b\u8a18\u4e8b\u306e\u76ee\u6b21\u3092\u7591\u554f\u5f62\u3067\u793a\u3057\u305f\u4f8b\u3067\u3059\u3000
\n\u3082\u3061\u308d\u3093\u3067\u3059\u3002<\/p>\n
\u4ee5\u4e0b\u306fGZIP\u5727\u7e2e\u306b\u95a2\u3059\u308b\u8a18\u4e8b\u306e\u76ee\u6b21\u3092\u7591\u554f\u5f62\u3067\u793a\u3057\u305f\u4f8b\u3067\u3059\u3002<\/p>\n
\u5404\u8cea\u554f\u306e\u4e0b\u306b\u306f\u305d\u308c\u306b\u95a2\u3059\u308b\u8a73\u7d30\u3068\u6839\u62e0\u3082\u6319\u3052\u3066\u307f\u307e\u3059\u3002<\/p>\n
GZIP\u5727\u7e2e\u3068\u306f\u4f55\u304b\uff1f<\/p>\n
\u8a73\u7d30 GZIP\u5727\u7e2e\u306f\u3001\u30c7\u30fc\u30bf\u3092\u5727\u7e2e\u3057\u3066\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u3059\u308b\u305f\u3081\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304a\u3088\u3073\u30d5\u30a1\u30a4\u30eb\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u3059\u3002<\/p>\n
\u4e3b\u306b\u30a6\u30a7\u30d6\u901a\u4fe1\u3067\u5229\u7528\u3055\u308c\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u901f\u5ea6\u3092\u4e0a\u3052\u308b\u305f\u3081\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 GZIP\u306f”GNU zip”\u306e\u7565\u3067\u3001Unix\u3084Linux\u7cfb\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u5229\u7528\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n
HTTP\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3082\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3001\u5727\u7e2e\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306f\u30d6\u30e9\u30a6\u30b6\u3067\u81ea\u52d5\u7684\u306b\u89e3\u51cd\u3055\u308c\u307e\u3059\u3002<\/p>\n
GZIP\u306e\u30e1\u30ea\u30c3\u30c8\u3068\u306f\uff1f<\/p>\n
\u8a73\u7d30 \u30c7\u30fc\u30bf\u306e\u30b5\u30a4\u30ba\u3092\u5927\u5e45\u306b\u524a\u6e1b\u3067\u304d\u308b\u305f\u3081\u3001\u901a\u4fe1\u6642\u9593\u306e\u77ed\u7e2e\u3001\u5e2f\u57df\u5e45\u306e\u7bc0\u7d04\u3001\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u306e\u5411\u4e0a\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u307e\u305f\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3082\u5411\u4e0a\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 \u5727\u7e2e\u306b\u3088\u308a\u30c7\u30fc\u30bf\u30b5\u30a4\u30ba\u304c\u6e1b\u5c11\u3059\u308b\u306e\u3067\u3001\u7279\u306b\u30e2\u30d0\u30a4\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306a\u3069\u5e2f\u57df\u5e45\u304c\u9650\u3089\u308c\u3066\u3044\u308b\u74b0\u5883\u3067\u5927\u304d\u306a\u52b9\u679c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u3055\u3089\u306b\u3001\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u306e\u8a55\u4fa1\u306b\u3082\u30d7\u30e9\u30b9\u3067\u3059\u3002<\/p>\n
GZIP\u5727\u7e2e\u306e\u4ed5\u7d44\u307f\u306f\u3069\u3046\u306a\u3063\u3066\u3044\u308b\u306e\u304b\uff1f<\/p>\n
\u8a73\u7d30 GZIP\u306f\u3001\u307e\u305a\u30c7\u30fc\u30bf\u3092LZ77\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u5727\u7e2e\u3057\u3001\u305d\u306e\u5f8c\u30cf\u30d5\u30de\u30f3\u7b26\u53f7\u5316\u3067\u30a8\u30f3\u30b3\u30fc\u30c9\u3057\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u306b\u3088\u308a\u3001\u9ad8\u3044\u5727\u7e2e\u7387\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 LZ77\u306f\u30e9\u30f3\u30ec\u30f3\u30b0\u30b9\u7b26\u53f7\u5316\uff08\u91cd\u8907\u3059\u308b\u30c7\u30fc\u30bf\u306e\u56de\u907f\uff09\u306b\u57fa\u3065\u3044\u305f\u5727\u7e2e\u65b9\u6cd5\u3067\u3001\u30cf\u30d5\u30de\u30f3\u7b26\u53f7\u306f\u5909\u9577\u7b26\u53f7\u5316\u306e\u4e00\u7a2e\u3067\u3059\u3002<\/p>\n
\u3053\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u308a\u3001\u5197\u9577\u306a\u30c7\u30fc\u30bf\u3092\u52b9\u679c\u7684\u306b\u524a\u6e1b\u3057\u307e\u3059\u3002<\/p>\n
GZIP\u306f\u3069\u306e\u3088\u3046\u306b\u4f7f\u7528\u3055\u308c\u308b\u306e\u304b\uff1f<\/p>\n
\u8a73\u7d30 \u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\uff08\u4f8b Apache, Nginx\uff09\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b5\u30fc\u30d0\u30fc\u3067\u8a2d\u5b9a\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001HTTP\u30ec\u30b9\u30dd\u30f3\u30b9\u304c\u81ea\u52d5\u7684\u306b\u5727\u7e2e\u30fb\u89e3\u51cd\u3055\u308c\u307e\u3059\u3002<\/p>\n
\u307e\u305f\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3084\u30d7\u30ed\u30b0\u30e9\u30e0\u8a00\u8a9e\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u7528\u3044\u3066\u624b\u52d5\u3067\u5727\u7e2e\u30fb\u89e3\u51cd\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u6839\u62e0 \u591a\u304f\u306e\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3084\u30b3\u30de\u30f3\u30c9\u3067GZIP\u5727\u7e2e\u3092\u6709\u52b9\u306b\u3059\u308b\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u307e\u305f\u3001\u591a\u304f\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u8a00\u8a9e\uff08Python, JavaScript\u306a\u3069\uff09\u3067\u3082\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3067GZIP\u3092\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
GZIP\u3092\u4f7f\u7528\u3059\u308b\u969b\u306e\u6ce8\u610f\u70b9\u306f\u4f55\u304b\uff1f<\/p>\n
\u8a73\u7d30 \u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u3084\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304cGZIP\u5727\u7e2e\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u305d\u306e\u65e8\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u307e\u305f\u3001\u65e2\u306b\u5727\u7e2e\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\uff08\u4f8b JPEG, PNG\uff09\u306f\u4e8c\u91cd\u5727\u7e2e\u306e\u52b9\u679c\u304c\u4f4e\u3044\u306e\u3067\u3001\u9664\u5916\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 \u4e92\u63db\u6027\u306b\u304a\u3044\u3066\u306f\u3001\u591a\u304f\u306e\u73fe\u4ee3\u7684\u306a\u30d6\u30e9\u30a6\u30b6\u306fGZIP\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u5b8c\u5168\u306a\u4fdd\u8a3c\u306f\u306a\u3044\u305f\u3081\u3001\u9069\u5fdc\u7684\u306b\u5bfe\u5fdc\u3059\u308b\u304c\u826f\u3044\u3067\u3059\u3002<\/p>\n
\u307e\u305f\u3001\u65e2\u306b\u52b9\u7387\u7684\u306a\u5727\u7e2e\u304c\u306a\u3055\u308c\u3066\u3044\u308b\u30d5\u30a1\u30a4\u30eb\u3092\u518d\u5ea6\u5727\u7e2e\u3059\u308b\u3053\u3068\u306f\u9006\u306b\u30b5\u30a4\u30ba\u3092\u5897\u3084\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
GZIP\u3068\u4ed6\u306e\u5727\u7e2e\u5f62\u5f0f\u3092\u6bd4\u8f03\u3059\u308b\u3068\u3069\u3046\u304b\uff1f<\/p>\n
\u8a73\u7d30 GZIP\u306f\u4e00\u822c\u7684\u306a\u7528\u9014\u306b\u306f\u975e\u5e38\u306b\u52b9\u679c\u7684\u3067\u3059\u304c\u3001\u4ed6\u306b\u3082Brotli\u3084Zstd\u3068\u3044\u3063\u305f\u65b0\u3057\u3044\u5727\u7e2e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u5b58\u5728\u3057\u3001\u305d\u308c\u3089\u306f\u4e00\u90e8\u306e\u30b1\u30fc\u30b9\u3067\u66f4\u306b\u9ad8\u3044\u5727\u7e2e\u7387\u3084\u901f\u5ea6\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u6839\u62e0 \u30d6\u30e9\u30a6\u30b6\u3084\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u8fd1\u5e74Brotli\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u3053\u308c\u306b\u3088\u308a\u9ad8\u3044\u5727\u7e2e\u7387\u3092\u9054\u6210\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u540c\u69d8\u306bZstd\u306f\u3001\u7279\u306b\u901f\u5ea6\u9762\u3067\u9ad8\u8a55\u4fa1\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u3089\u306e\u8cea\u554f\u3068\u56de\u7b54\u3092\u901a\u3058\u3066\u3001GZIP\u5727\u7e2e\u306b\u95a2\u3059\u308b\u57fa\u672c\u7684\u306a\u7406\u89e3\u304b\u3089\u5177\u4f53\u7684\u306a\u4f7f\u7528\u6cd5\u3001\u305d\u3057\u3066\u305d\u306e\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\u307e\u3067\u5e45\u5e83\u304f\u30ab\u30d0\u30fc\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u305d\u308c\u3067\u306f\u3069\u3046\u305e\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\u3002<\/p>\n
GZIP\u5727\u7e2e\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f
\nGZIP\u5727\u7e2e\u306b\u3064\u3044\u3066\u306e\u8cea\u554f\u306b\u304a\u7b54\u3048\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n
GZIP\u5727\u7e2e\u3068\u306f\u4f55\u304b\uff1f<\/p>\n
1. \u5b9a\u7fa9<\/p>\n
GZIP (GNU ZIP) \u306f\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u5727\u7e2e\u3059\u308b\u305f\u3081\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304a\u3088\u3073\u30d5\u30a1\u30a4\u30eb\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n
\u5143\u3005\u306f\u3001Unix\u7cfb\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u5411\u3051\u306b\u958b\u767a\u3055\u308c\u307e\u3057\u305f\u304c\u3001\u73fe\u5728\u3067\u306f\u5e83\u7bc4\u306a\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
2. \u4e3b\u306a\u7279\u9577\u3068\u4ed5\u7d44\u307f<\/p>\n
\u5727\u7e2e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0 GZIP\u306f\u3001Deflate\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u5727\u7e2e\u3057\u307e\u3059\u3002<\/p>\n
Deflate\u306f\u3001LZ77\u5727\u7e2e\u65b9\u6cd5\u3068\u30cf\u30d5\u30de\u30f3\u7b26\u53f7\u5316\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u30d5\u30a1\u30a4\u30eb\u30d5\u30a9\u30fc\u30de\u30c3\u30c8 GZIP\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u901a\u5e38\u201c.gz\u201d\u306e\u62e1\u5f35\u5b50\u3092\u6301\u3061\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u306f\u3001\u5727\u7e2e\u30c7\u30fc\u30bf\u3060\u3051\u3067\u306a\u304f\u3001\u30aa\u30ea\u30b8\u30ca\u30eb\u30d5\u30a1\u30a4\u30eb\u540d\u3084\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u306a\u3069\u306e\u30e1\u30bf\u30c7\u30fc\u30bf\u3082\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n
\u52b9\u7387\u6027 GZIP\u306f\u3001\u5727\u7e2e\u7387\u3068\u5727\u7e2e\u901f\u5ea6\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u826f\u304f\u3001\u5b9f\u884c\u6642\u306e\u30ea\u30bd\u30fc\u30b9\u6d88\u8cbb\u3082\u5c11\u306a\u3044\u305f\u3081\u3001\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
3. \u4f7f\u7528\u4f8b<\/p>\n
Web\u901a\u4fe1 GZIP\u306f\u3001HTTP\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u5229\u7528\u3057\u305f\u30a6\u30a7\u30d6\u901a\u4fe1\u306e\u969b\u306b\u3001Web\u30b5\u30fc\u30d0\u3068\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u9593\u3067\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u52b9\u7387\u5316\u3059\u308b\u305f\u3081\u306b\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
Web\u30b5\u30fc\u30d0\u306fHTML, CSS, JavaScript\u30d5\u30a1\u30a4\u30eb\u3092GZIP\u5727\u7e2e\u3057\u3066\u9001\u4fe1\u3057\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u305d\u308c\u3092\u89e3\u51cd\u3059\u308b\u3053\u3068\u3067\u30c7\u30fc\u30bf\u8ee2\u9001\u91cf\u3092\u524a\u6e1b\u3057\u307e\u3059\u3002<\/p>\n
\u30d5\u30a1\u30a4\u30eb\u30a2\u30fc\u30ab\u30a4\u30d6 \u5927\u91cf\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u5358\u4e00\u306e\u5727\u7e2e\u30a2\u30fc\u30ab\u30a4\u30d6\u306b\u307e\u3068\u3081\u308b\u969b\u306b\u306f\u3001GZIP\u304c\u7528\u3044\u3089\u308c\u307e\u3059\u3002<\/p>\n
\u7279\u306b\u3001tar\u30b3\u30de\u30f3\u30c9\u3068\u7d44\u307f\u5408\u308f\u305b\u308b (\u201ctar.gz\u201d) \u3053\u3068\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u7fa4\u3092\u5727\u7e2e\u3057\u306a\u304c\u3089\u30a2\u30fc\u30ab\u30a4\u30d6\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u6839\u62e0<\/p>\n
1. \u6b74\u53f2\u7684\u80cc\u666f<\/p>\n
GZIP\u306f\u30011992\u5e7410\u6708\u306bJean-loup Gailly\u3068Mark Adler\u306b\u3088\u3063\u3066GNU\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4e00\u74b0\u3068\u3057\u3066\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n
UNIX\u7cfb\u30b7\u30b9\u30c6\u30e0\u3067\u5e83\u304f\u4f7f\u308f\u308c\u308b\u6a19\u6e96\u7684\u306a\u5727\u7e2e\u30c4\u30fc\u30eb\u3068\u3057\u3066\u3001\u5f8c\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u767a\u5c55\u3068\u3068\u3082\u306b\u305d\u306e\u91cd\u8981\u6027\u3092\u5897\u3057\u307e\u3057\u305f\u3002<\/p>\n
2. \u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u666e\u53ca<\/p>\n
HTTP\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4ed5\u69d8\u66f8 (RFC 2616, 7230) \u3067\u306f\u3001GZIP\u5727\u7e2e\u304c\u6a19\u6e96\u3068\u3057\u3066\u53d6\u308a\u6271\u308f\u308c\u3066\u304a\u308a\u3001\u591a\u304f\u306eWeb\u30b5\u30fc\u30d0\u304a\u3088\u3073\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304cGZIP\u5727\u7e2e\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u307e\u305f\u3001IETF\u306e\u6a19\u6e96\u6587\u66f8\u3067\u3042\u308b\u305f\u3081\u4fe1\u983c\u6027\u3082\u9ad8\u3044\u3067\u3059\u3002<\/p>\n
3. \u5b9f\u969b\u306e\u5229\u7528\u5b9f\u7e3e<\/p>\n
\u591a\u304f\u306e\u5927\u898f\u6a21Web\u30b5\u30a4\u30c8\u3084\u30aa\u30f3\u30e9\u30a4\u30f3\u30b5\u30fc\u30d3\u30b9\u304cGZIP\u5727\u7e2e\u3092\u6d3b\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u4f8b\u3048\u3070\u3001Google\u3084Facebook\u306a\u3069\u306e\u5927\u898f\u6a21\u306aWeb\u30b5\u30fc\u30d3\u30b9\u306f\u3001\u30c7\u30fc\u30bf\u306e\u8ee2\u9001\u52b9\u7387\u3092\u9ad8\u3081\u308b\u305f\u3081\u306bGZIP\u5727\u7e2e\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u307e\u305f\u3001Google\u306ePageSpeed Insights\u3084GTmetrix\u3068\u3044\u3063\u305fWeb\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u8a55\u4fa1\u30c4\u30fc\u30eb\u3067\u3082\u3001GZIP\u5727\u7e2e\u306e\u6709\u52b9\u6027\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
4. \u6280\u8853\u6587\u732e\u3068\u30d9\u30f3\u30c1\u30de\u30fc\u30af<\/p>\n
\u5727\u7e2e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u52b9\u7387\u6027\u306b\u3064\u3044\u3066\u306f\u3001\u591a\u6570\u306e\u6280\u8853\u6587\u732e\u304c\u5b58\u5728\u3057\u3001GZIP\u3068Deflate\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u8a73\u7d30\u306b\u95a2\u3059\u308b\u60c5\u5831\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\uff08\u4f8b\u3000 “Data Compression The Complete Reference” by David Salomon\uff09\u3002<\/p>\n
\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u30c6\u30b9\u30c8\u306b\u304a\u3044\u3066\u3082\u3001GZIP\u306f\u4ed6\u306e\u5727\u7e2e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u6bd4\u8f03\u3057\u3066\u3082\u3001\u305d\u306e\u5727\u7e2e\u901f\u5ea6\u3068\u5727\u7e2e\u7387\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u512a\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u793a\u3055\u308c\u3066\u3044\u307e\u3059\uff08\u4f8b\u3000 Caldera OpenLinux\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u30ec\u30dd\u30fc\u30c8\uff09\u3002<\/p>\n
\u4ee5\u4e0a\u304cGZIP\u5727\u7e2e\u306b\u3064\u3044\u3066\u306e\u8a73\u7d30\u306a\u8aac\u660e\u3068\u305d\u306e\u6839\u62e0\u3067\u3059\u3002<\/p>\n
GZIP\u5727\u7e2e\u306f\u3001\u305d\u306e\u52b9\u7387\u6027\u3068\u5e83\u7bc4\u306a\u5229\u7528\u5b9f\u7e3e\u304b\u3089\u3001\u975e\u5e38\u306b\u5f37\u529b\u304b\u3064\u91cd\u8981\u306a\u5727\u7e2e\u6280\u8853\u3067\u3042\u308b\u3053\u3068\u304c\u7406\u89e3\u3055\u308c\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n
GZIP\u5727\u7e2e\u306e\u30e1\u30ea\u30c3\u30c8\u3068\u30c7\u30e1\u30ea\u30c3\u30c8\u306f\u4f55\u3067\u3059\u304b\uff1f
\nGZIP\u5727\u7e2e\u306f\u3001\u591a\u304f\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u4f7f\u7528\u3055\u308c\u308b\u30c7\u30fc\u30bf\u5727\u7e2e\u6280\u8853\u306e\u4e00\u3064\u3067\u3059\u3002<\/p>\n
\u4e00\u822c\u7684\u306b\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306e\u30ed\u30fc\u30c9\u6642\u9593\u77ed\u7e2e\u3084\u30c7\u30fc\u30bf\u8ee2\u9001\u30b3\u30b9\u30c8\u306e\u524a\u6e1b\u306a\u3069\u306b\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u4ee5\u4e0b\u306b\u3001GZIP\u5727\u7e2e\u306e\u30e1\u30ea\u30c3\u30c8\u3068\u30c7\u30e1\u30ea\u30c3\u30c8\u3092\u8a73\u8ff0\u3057\u3001\u305d\u308c\u305e\u308c\u306e\u6839\u62e0\u306b\u3064\u3044\u3066\u3082\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n
\u30e1\u30ea\u30c3\u30c8<\/p>\n
\u30c7\u30fc\u30bf\u8ee2\u9001\u91cf\u306e\u524a\u6e1b<\/p>\n
\u6839\u62e0 GZIP\u5727\u7e2e\u306f\u30c6\u30ad\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u7d0470-90%\u306e\u5272\u5408\u3067\u5727\u7e2e\u3067\u304d\u307e\u3059\uff08\u203b\u5177\u4f53\u7684\u306a\u5024\u306f\u30c7\u30fc\u30bf\u306e\u7a2e\u985e\u3084\u5185\u5bb9\u306b\u4f9d\u5b58\u3057\u307e\u3059\uff09\u3002<\/p>\n
\u305d\u306e\u7d50\u679c\u3001\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u3084API\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u30b5\u30a4\u30ba\u304c\u5927\u5e45\u306b\u6e1b\u5c11\u3057\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u306b\u3088\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u91cf\u304c\u5c11\u306a\u304f\u306a\u308a\u3001\u5e2f\u57df\u5e45\u306e\u7bc0\u7d04\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u30da\u30fc\u30b8\u30ed\u30fc\u30c9\u6642\u9593\u306e\u77ed\u7e2e<\/p>\n
\u6839\u62e0 \u5727\u7e2e\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306f\u5c0f\u3055\u3044\u305f\u3081\u3001\u3088\u308a\u9ad8\u901f\u306b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u8ee2\u9001\u3055\u308c\u307e\u3059\u3002<\/p>\n
\u7279\u306b\u30e2\u30d0\u30a4\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3084\u4f4e\u901f\u306a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u3067\u306f\u3001GZIP\u5727\u7e2e\u306e\u52b9\u679c\u304c\u9855\u8457\u3067\u3059\u3002<\/p>\n
\u30da\u30fc\u30b8\u306e\u30ed\u30fc\u30c9\u6642\u9593\u304c\u77ed\u7e2e\u3055\u308c\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n
\u30b5\u30fc\u30d0\u30fc\u3068\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u4e21\u5074\u3067\u30b5\u30dd\u30fc\u30c8\u304c\u5e83\u7bc4<\/p>\n
\u6839\u62e0 GZIP\u306f\u307b\u3068\u3093\u3069\u306e\u30a6\u30a7\u30d6\u30d6\u30e9\u30a6\u30b6\u3068\u30b5\u30fc\u30d0\u30fc\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u7279\u5225\u306a\u8a2d\u5b9a\u306a\u3057\u3067\u5229\u7528\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u4f8b\u3048\u3070\u3001Apache\u3084nginx\u306a\u3069\u306e\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u306f\u7c21\u5358\u306bGZIP\u5727\u7e2e\u3092\u6709\u52b9\u5316\u3059\u308b\u8a2d\u5b9a\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u30c7\u30e1\u30ea\u30c3\u30c8<\/p>\n
\u51e6\u7406\u8ca0\u8377\u306e\u5897\u52a0<\/p>\n
\u6839\u62e0 \u30c7\u30fc\u30bf\u3092\u5727\u7e2e\u304a\u3088\u3073\u89e3\u51cd\u3059\u308b\u306b\u306f\u8a08\u7b97\u30ea\u30bd\u30fc\u30b9\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n
\u7279\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u591a\u3044\u30b5\u30fc\u30d0\u30fc\u3067\u306f\u3001\u3053\u306e\u8ffd\u52a0\u306e\u51e6\u7406\u304cCPU\u8ca0\u8377\u3092\u5897\u52a0\u3055\u305b\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u7279\u306b\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u91cf\u3092\u6271\u3046\u5834\u5408\u3001\u3053\u308c\u306f\u91cd\u8981\u306a\u554f\u984c\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u5727\u7e2e\u52b9\u7387\u306e\u9650\u754c<\/p>\n
\u6839\u62e0 GZIP\u306f\u4e3b\u306b\u30c6\u30ad\u30b9\u30c8\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u52b9\u679c\u304c\u9ad8\u3044\u3067\u3059\u304c\u3001\u30d0\u30a4\u30ca\u30ea\u30c7\u30fc\u30bf\uff08\u4f8b\u3048\u3070\u753b\u50cf\u3084\u52d5\u753b\uff09\u306b\u5bfe\u3059\u308b\u5727\u7e2e\u52b9\u679c\u306f\u9650\u5b9a\u7684\u3067\u3059\u3002<\/p>\n
\u65e2\u306b\u5727\u7e2e\u3055\u308c\u3066\u3044\u308b\u30c7\u30fc\u30bf\uff08JPEG\u3001MP3\u3001MP4\u306a\u3069\uff09\u3092\u518d\u5ea6\u5727\u7e2e\u3057\u3066\u3082\u30b5\u30a4\u30ba\u304c\u307b\u3068\u3093\u3069\u5909\u308f\u3089\u306a\u3044\u3001\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u9006\u306b\u30b5\u30a4\u30ba\u304c\u5897\u52a0\u3059\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u306e\u53ef\u80fd\u6027<\/p>\n
\u6839\u62e0 \u904e\u53bb\u306b\u306f\u3001\u5727\u7e2e\u3092\u5229\u7528\u3057\u305f\u653b\u6483\u624b\u6cd5\uff08\u4f8b\u3048\u3070\u3001BREACH\u653b\u6483\uff09\u304c\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u3089\u306e\u653b\u6483\u306f\u5727\u7e2e\u30c7\u30fc\u30bf\u306e\u7279\u5b9a\u306e\u6027\u8cea\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u6a5f\u5bc6\u60c5\u5831\u3092\u63a8\u6e2c\u3059\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n
\u9069\u5207\u306a\u5bfe\u7b56\uff08\u4f8b\u3048\u3070\u3001\u5727\u7e2e\u3057\u306a\u3044\u3079\u304d\u30c7\u30fc\u30bf\u306e\u5224\u65ad\u3084\u5bfe\u7b56\uff09\u3092\u8b1b\u3058\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n
\u305d\u306e\u4ed6\u306e\u8003\u616e\u4e8b\u9805<\/p>\n
\u4e92\u63db\u6027 \u524d\u8ff0\u306e\u901a\u308a\u3001GZIP\u306f\u5e83\u7bc4\u306b\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u7279\u6b8a\u306a\u74b0\u5883\u3067\u306f\u5229\u7528\u3067\u304d\u306a\u3044\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u305f\u3081\u3001\u30a8\u30c3\u30b8\u30b1\u30fc\u30b9\u3084\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u3001\u7279\u6b8a\u306a\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u3064\u3044\u3066\u3082\u8003\u616e\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n
\u8a2d\u5b9a\u3068\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0 GZIP\u5727\u7e2e\u306e\u52b9\u679c\u3092\u6700\u5927\u5316\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u9069\u5207\u306a\u8a2d\u5b9a\u3068\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n
\u4f8b\u3048\u3070\u3001\u9069\u5207\u306a\u5727\u7e2e\u30ec\u30d9\u30eb\uff08speed vs size\uff09\u3084\u3001\u5727\u7e2e\u3059\u308b\u3079\u304d\u30d5\u30a1\u30a4\u30eb\u30bf\u30a4\u30d7\u306e\u9078\u5b9a\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n
GZIP\u5727\u7e2e\u306e\u30e1\u30ea\u30c3\u30c8\u3068\u30c7\u30e1\u30ea\u30c3\u30c8\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u9069\u5207\u306a\u72b6\u6cc1\u3067\u52b9\u7387\u7684\u306b\u3053\u306e\u6280\u8853\u3092\u5229\u7528\u3059\u308b\u65b9\u6cd5\u3092\u898b\u3064\u3051\u3089\u308c\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n
\u30c7\u30fc\u30bf\u5727\u7e2e\u306f\u30a6\u30a7\u30d6\u6027\u80fd\u306e\u5411\u4e0a\u306b\u5bc4\u4e0e\u3059\u308b\u91cd\u8981\u306a\u30c6\u30af\u30cb\u30c3\u30af\u306e\u4e00\u3064\u3067\u3059\u304c\u3001\u305d\u306e\u9069\u7528\u306b\u306f\u614e\u91cd\u306a\u5224\u65ad\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n
GZIP\u5727\u7e2e\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u306f\u3069\u306e\u3088\u3046\u306b\u3059\u308c\u3070\u826f\u3044\u3067\u3059\u304b\uff1f<\/p>\n
GZIP\u5727\u7e2e\u306f\u3001\u30c7\u30fc\u30bf\u3092\u5727\u7e2e\u3059\u308b\u305f\u3081\u306e\u4e00\u822c\u7684\u306a\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u30d5\u30a1\u30a4\u30eb\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u3001\u7279\u306b\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u3084\u30c7\u30fc\u30bf\u306e\u8ee2\u9001\u306b\u591a\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
GZIP\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u3068\u305d\u306e\u6839\u62e0\u306b\u3064\u3044\u3066\u3001\u4ee5\u4e0b\u3067\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n
GZIP\u5727\u7e2e\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u306f\u4e3b\u306b\u6b21\u306e3\u3064\u306b\u5206\u3051\u3089\u308c\u307e\u3059\uff1a<\/p>\n
\u6700\u3082\u57fa\u672c\u7684\u306a\u65b9\u6cd5\u306f\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u5727\u7e2e\u307e\u305f\u306f\u89e3\u51cd\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n
\u5727\u7e2e\u3059\u308b\u5834\u5408\uff1a<\/strong> \u89e3\u51cd\u3059\u308b\u5834\u5408\uff1a<\/strong> \u591a\u304f\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u306f\u3001GZIP\u3092\u4f7f\u7528\u3067\u304d\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n \u4f8b\u3048\u3070\u3001Python\u3067\u306f\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u3057\u3066gzip\u304c\u5229\u7528\u3067\u304d\u307e\u3059\uff1a<\/p>\n “`python with open(‘file.txt’, ‘rb’) as fin: with gzip.open(‘file.txt.gz’, ‘rb’) as fin: Java\u3067\u3082\u540c\u69d8\u306e\u624b\u6cd5\u304c\u5229\u7528\u3067\u304d\u307e\u3059\uff1a<\/p>\n “`java public class GZIPExample { } \u591a\u304f\u306e\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u304cGZIP\u5727\u7e2e\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304a\u308a\u3001\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u5909\u66f4\u3059\u308b\u3060\u3051\u3067\u5727\u7e2e\u6a5f\u80fd\u3092\u6709\u52b9\u306b\u3067\u304d\u307e\u3059\u3002<\/p>\n \u305f\u3068\u3048\u3070\u3001Apache\u3067\u306f \u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\uff08httpd.conf \u307e\u305f\u306f .htaccess\uff09\u306b\u6b21\u306e\u3088\u3046\u306b\u8ffd\u52a0\u3057\u307e\u3059\uff1a<\/p>\n Nginx\u306e\u5834\u5408\u306f\u3001\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\uff08nginx.conf\uff09\u306b\u6b21\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\uff1a<\/p>\n GZIP\u5727\u7e2e\u304c\u5e83\u304f\u5229\u7528\u3055\u308c\u308b\u7406\u7531\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n \u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u5727\u7e2e<\/strong>\uff1a<\/p>\n \u4e92\u63db\u6027<\/strong>\uff1a<\/p>\n \u8a2d\u5b9a\u304c\u5bb9\u6613<\/strong>\uff1a<\/p>\n \u5e2f\u57df\u5e45\u306e\u7bc0\u7d04<\/strong>\uff1a<\/p>\n SEO\u3068\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u306e\u5411\u4e0a<\/strong>\uff1a<\/p>\n \u3053\u308c\u3089\u306e\u7406\u7531\u306b\u3088\u308a\u3001GZIP\u306f\u30c7\u30fc\u30bf\u5727\u7e2e\u306e\u6a19\u6e96\u7684\u306a\u30c4\u30fc\u30eb\u3068\u3057\u3066\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n \u3053\u306e\u5f62\u5f0f\u3067\u8aad\u8005\u306f\u57fa\u672c\u7684\u306a\u7406\u89e3\u304b\u3089\u5177\u4f53\u7684\u306a\u5b9f\u8df5\u307e\u3067\u6bb5\u968e\u7684\u306b\u5b66\u3079\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 \u3053\u306e\u5f62\u5f0f\u306e\u7406\u89e3\u304b\u3089\u5b9f\u8df5\u306b\u81f3\u308b\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u6bb5\u968e\u3092\u8e0f\u3093\u3067\u8aac\u660e\u3059\u308b\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n \u57fa\u672c\u7684\u306a\u7406\u89e3<\/p>\n \u6982\u8981: GZIP\uff08GNU zip\uff09\u306f\u3001GNU\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4e00\u74b0\u3068\u3057\u3066\u958b\u767a\u3055\u308c\u305f\u5727\u7e2e\u6280\u8853\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u7e2e\u5c0f\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n \u4f01\u696d\u3084\u500b\u4eba\u304c\u30a6\u30a7\u30d6\u3092\u901a\u3058\u3066\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u3084\u308a\u53d6\u308a\u3059\u308b\u73fe\u5728\u3001\u3053\u306e\u6280\u8853\u306f\u7279\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n \u52d5\u4f5c\u539f\u7406: GZIP\u5727\u7e2e\u306f\u3001LZ77\u5727\u7e2e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304a\u3088\u3073\u30cf\u30d5\u30de\u30f3\u7b26\u53f7\u5316\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n LZ77\u306f\u91cd\u8907\u3059\u308b\u30c7\u30fc\u30bf\u3092\u9664\u53bb\u3057\u3001\u30cf\u30d5\u30de\u30f3\u7b26\u53f7\u5316\u306f\u30c7\u30fc\u30bf\u306e\u983b\u5ea6\u306b\u57fa\u3065\u3044\u3066\u7b26\u53f7\u9577\u3092\u6700\u9069\u5316\u3057\u307e\u3059\u3002<\/p>\n \u57fa\u672c\u64cd\u4f5c\u306e\u7fd2\u5f97<\/p>\n \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7: GZIP\u306f\u591a\u304f\u306e\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306b\u30d7\u30ea\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001apt-get install gzip\uff08Ubuntu\uff09\u3084brew install gzip\uff08macOS\uff09\u306a\u3069\u306e\u30b3\u30de\u30f3\u30c9\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u307e\u3059\u3002<\/p>\n \u57fa\u672c\u7684\u306a\u30b3\u30de\u30f3\u30c9:<\/p>\n \u5727\u7e2e: gzip filename \u89e3\u51cd: gunzip filename \u5177\u4f53\u7684\u306a\u5fdc\u7528\u4f8b<\/p>\n \u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306e\u4f7f\u7528:<\/p>\n \u30b5\u30fc\u30d0\u30fc\u8a2d\u5b9a: Apache\u3084Nginx\u30b5\u30fc\u30d0\u30fc\u3067GZIP\u5727\u7e2e\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n \u4f8b\u3048\u3070\u3001Nginx\u306e\u5834\u5408\u3001nginx.conf\u30d5\u30a1\u30a4\u30eb\u306b\u4ee5\u4e0b\u306e\u8a2d\u5b9a\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n nginx http \u30b9\u30af\u30ea\u30d7\u30c8\u3084\u30d0\u30c3\u30c1\u51e6\u7406\u3067\u306e\u4f7f\u7528:<\/p>\n \u8907\u6570\u30d5\u30a1\u30a4\u30eb\u306e\u5727\u7e2e: tar\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n bash \u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3067\u306e\u5b9f\u8df5<\/p>\n Python\u3067\u306eGZIP\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0: \u5727\u7e2e<\/p>\n with open(‘example.txt’, ‘rb’) as fin: \u89e3\u51cd<\/p>\n with gzip.open(‘example.txt.gz’, ‘rb’) as fin: \u52b9\u679c\u306e\u78ba\u8a8d<\/p>\n \u30b5\u30a4\u30ba\u6bd4\u8f03: \u5727\u7e2e\u5f8c\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u52b9\u679c\u3092\u5b9f\u611f\u3067\u304d\u307e\u3059\u3002<\/p>\n bash \u6ce8\u610f\u70b9\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/p>\n \u30d5\u30a1\u30a4\u30eb\u306e\u6574\u5408\u6027: \u5727\u7e2e\u3084\u89e3\u51cd\u306e\u969b\u306b\u30c7\u30fc\u30bf\u304c\u7834\u640d\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u306e\u3067\u3001MD5\u306a\u3069\u306e\u30cf\u30c3\u30b7\u30e5\u3092\u4f7f\u3063\u3066\u6574\u5408\u6027\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/p>\n \u7570\u306a\u308b\u5727\u7e2e\u30c4\u30fc\u30eb\u3068\u306e\u4e92\u63db\u6027: GZIP\u306f\u57fa\u672c\u7684\u306bUNIX\u7cfb\u30c4\u30fc\u30eb\u3067\u3059\u304c\u3001Windows\u74b0\u5883\u3067\u306f7-Zip\u306a\u3069\u306e\u30c4\u30fc\u30eb\u3092\u5229\u7528\u3057\u3066\u4e92\u63db\u6027\u3092\u6301\u305f\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n \u6839\u62e0<\/p>\n GZIP\u306e\u6280\u8853\u7684\u306a\u8a73\u7d30\u3084\u4f7f\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u3001\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3084\u5404\u7a2e\u306e\u6280\u8853\u30d6\u30ed\u30b0\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306e\u30de\u30cb\u30e5\u30a2\u30eb\u3092\u53c2\u8003\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n \u307e\u305f\u3001\u591a\u304f\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u5b9f\u969b\u306bGZIP\u5727\u7e2e\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u73fe\u5b9f\u306e\u4f7f\u7528\u4f8b\u3084\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u306e\u30e1\u30ea\u30c3\u30c8\u3082\u5e83\u304f\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n \u7279\u306bHTTP\/2\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u767b\u5834\u3057\u3001\u30c7\u30fc\u30bf\u5727\u7e2e\u306e\u5f79\u5272\u304c\u4e00\u5c64\u91cd\u8981\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n \u4ee5\u4e0a\u304c\u3001GZIP\u5727\u7e2e\u306e\u57fa\u672c\u7684\u306a\u7406\u89e3\u304b\u3089\u5177\u4f53\u7684\u306a\u5b9f\u8df5\u307e\u3067\u306e\u30ac\u30a4\u30c9\u3067\u3059\u3002<\/p>\n \u6bb5\u968e\u7684\u306b\u5b66\u3073\u3084\u3059\u3044\u3088\u3046\u306b\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u305c\u3072\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n \u3010\u8981\u7d04\u3011 GZIP\u5727\u7e2e\u3068\u306f\u3001\u30c7\u30fc\u30bf\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u3059\u308b\u305f\u3081\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u3001\u4e3b\u306b\u30a6\u30a7\u30d6\u901a\u4fe1\u3067\u5229\u7528\u3055\u308c\u307e\u3059\u3002\u30e1\u30ea\u30c3\u30c8\u3068\u3057\u3066\u901a\u4fe1\u306e\u9ad8\u901f\u5316\u3084\u5e2f\u57df\u5e45\u306e\u7bc0\u7d04\u304c\u6319\u3052\u3089\u308c\u3001LZ77\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u30cf\u30d5\u30de\u30f3\u7b26\u53f7\u5316\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u3067\u306e\u8a2d\u5b9a\u3084\u30d7\u30ed\u30b0\u30e9\u30e0\u8a00\u8a9e\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u901a\u3058\u3066\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u5c0e\u5165\u6642\u306e\u6ce8\u610f\u70b9\u3082\u91cd\u8981\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" \u3082\u3061\u308d\u3093\u3067\u3059\u3002\u4ee5\u4e0b\u306fGZIP\u5727\u7e2e\u306b\u95a2\u3059\u308b\u8a18\u4e8b\u306e\u76ee\u6b21\u3092\u7591\u554f\u5f62\u3067\u793a\u3057\u305f\u4f8b\u3067\u3059\u3000 \u3082\u3061\u308d\u3093\u3067\u3059\u3002 \u4ee5\u4e0b\u306fGZIP\u5727\u7e2e\u306b\u95a2\u3059\u308b\u8a18\u4e8b\u306e\u76ee\u6b21\u3092\u7591\u554f\u5f62\u3067\u793a\u3057\u305f\u4f8b\u3067\u3059\u3002 \u5404\u8cea\u554f\u306e\u4e0b\u306b\u306f\u305d\u308c\u306b\u95a2\u3059\u308b\u8a73\u7d30\u3068\u6839\u62e0\u3082\u6319\u3052\u3066\u307f\u307e\u3059\u3002 GZIP\u5727\u7e2e […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":{"0":"post-1164","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-news"},"_links":{"self":[{"href":"https:\/\/miniqr.com\/index.php?rest_route=\/wp\/v2\/posts\/1164","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/miniqr.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/miniqr.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/miniqr.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/miniqr.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1164"}],"version-history":[{"count":0,"href":"https:\/\/miniqr.com\/index.php?rest_route=\/wp\/v2\/posts\/1164\/revisions"}],"wp:attachment":[{"href":"https:\/\/miniqr.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1164"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/miniqr.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1164"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/miniqr.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nsh
\ngzip filename<\/code><\/p>\n
\nsh
\ngunzip filename.gz<\/code><\/p>\n2. \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3092\u4f7f\u7528<\/h4>\n
\nimport gzip<\/p>\n\u5727\u7e2e<\/h1>\n
\n with gzip.open(‘file.txt.gz’, ‘wb’) as f<\/em>out:
\n fout.writelines(f<\/em>in)<\/p>\n\u89e3\u51cd<\/h1>\n
\n with open(‘file<\/em>out.txt’, ‘wb’) as fout:
\n f<\/em>out.write(f_in.read())
\n“`<\/p>\n
\nimport java.io.FileInputStream;
\nimport java.io.FileOutputStream;
\nimport java.io.IOException;
\nimport java.util.zip.GZIPOutputStream;<\/p>\n
\n public static void compressFile(String filePath) {
\n try (FileInputStream fis = new FileInputStream(filePath);
\n FileOutputStream fos = new FileOutputStream(filePath + “.gz”);
\n GZIPOutputStream gzipOS = new GZIPOutputStream(fos)) {<\/p>\n byte[] buffer = new byte[1024];\n int len;\n while((len=fis.read(buffer)) != -1){\n gzipOS.write(buffer, 0, len);\n }\n } catch (IOException e) {\n e.printStackTrace();\n }\n}\n<\/code><\/pre>\n
\n“`<\/p>\n3. \u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a\u3092\u5909\u66f4<\/h4>\n
mod_deflate<\/code>\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\napache
\n<IfModule mod_deflate.c>
\n AddOutputFilterByType DEFLATE text\/html text\/plain text\/xml text\/css application\/javascript
\n<\/IfModule><\/code><\/p>\nnginx
\nhttp {
\n gzip on;
\n gzip_types text\/plain text\/css application\/json application\/javascript text\/xml application\/xml application\/xml+rss text\/javascript;
\n}<\/code><\/p>\n\u6839\u62e0<\/h3>\n
\n
\n
\n
\n
\n
\n
\nGZIP\u5727\u7e2e\u306f\u3001\u30c7\u30fc\u30bf\u5727\u7e2e\u306e\u4e00\u3064\u3067\u3001\u7279\u306b\u30d5\u30a1\u30a4\u30eb\u306e\u8ee2\u9001\u3084\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u7bc0\u7d04\u306b\u4f7f\u7528\u3055\u308c\u308b\u6280\u8853\u3067\u3059\u3002<\/p>\n
\n\u4f8b: gzip example.txt \u306f example.txt.gz \u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n
\n\u4f8b: gunzip example.txt.gz \u306f example.txt \u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n
\nhttp {
\ngzip on;
\ngzip_types text\/plain application\/json;
\n}
\n\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u30d8\u30c3\u30c0\u30fc: HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306eAccept-Encoding\u30d8\u30c3\u30c0\u30fc\u306bgzip\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n
\nAccept-Encoding: gzip<\/p>\n
\ntar -czvf archive.tar.gz directory\/<\/p>\n
\n“`python
\nimport gzip
\nimport shutil<\/p>\n
\n with gzip.open(‘example.txt.gz’, ‘wb’) as fout:
\n shutil.copyfileobj(fin, fout)<\/p>\n
\n with open(‘exampledec.txt’, ‘wb’) as fout:
\n shutil.copyfileobj(fin, f_out)
\n“`<\/p>\n
\nls -lh example.txt example.txt.gz
\n\u5727\u7e2e\u7387: \u5727\u7e2e\u524d\u5f8c\u306e\u30b5\u30a4\u30ba\u3068\u7167\u3089\u3057\u5408\u308f\u305b\u3066\u5727\u7e2e\u7387\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u3082\u91cd\u8981\u3067\u3059\u3002<\/p>\n
\n\u3082\u3061\u308d\u3093\u3067\u3059\u3002\u4ee5\u4e0b\u306fGZIP\u5727\u7e2e\u306b\u95a2\u3059\u308b\u8a18\u4e8b\u306e\u76ee\u6b21\u3092\u7591\u554f\u5f62\u3067\u793a\u3057\u305f\u4f8b\u306e\u8981\u7d04\u3067\u3059\u3000<\/p>\n