{"id":11746,"date":"2014-12-04T00:00:43","date_gmt":"2014-12-03T15:00:43","guid":{"rendered":"http:\/\/labs.gree.jp\/blog\/?p=11746"},"modified":"2014-12-04T14:48:00","modified_gmt":"2014-12-04T05:48:00","slug":"openstack-swift%e3%81%ab%e3%82%88%e3%82%8b%e7%94%bb%e5%83%8f%e3%82%b9%e3%83%88%e3%83%ac%e3%83%bc%e3%82%b8%e3%81%ae%e9%81%8b%e7%94%a8","status":"publish","type":"post","link":"https:\/\/labs.gree.jp\/blog\/2014\/12\/11746\/","title":{"rendered":"OpenStack Swift\u306b\u3088\u308b\u753b\u50cf\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u904b\u7528"},"content":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3002\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u672c\u90e8\u306e\u7af9\u8fba\u3067\u3059\u3002\u3053\u306e\u30a8\u30f3\u30c8\u30ea\u306fGREE Advent Calendar 2014 4\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n<p>GREE\u306eSNS\u3067\u306f\u3001\u30e6\u30fc\u30b6\u306e\u307f\u306a\u3055\u307e\u304c\u6295\u7a3f\u3057\u305f\u753b\u50cf\u3092\u4fdd\u5b58\u3059\u308b\u305f\u3081\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u904b\u7528\u3057\u3066\u3044\u307e\u3059\u30022\u5e74\u307b\u3069\u524d\u304b\u3089\u3001\u3053\u306e\u753b\u50cf\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u306bOpenStack Swift(\u4ee5\u4e0bSwift)\u3092\u4f7f\u3044\u59cb\u3081\u307e\u3057\u305f\u3002\u305d\u306e\u5f8c\u3001\u65e2\u5b58\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u304b\u3089\u306e\u30c7\u30fc\u30bf\u79fb\u884c\u3084\u30e6\u30fc\u30b6\u306e\u307f\u306a\u3055\u307e\u304b\u3089\u306e\u6295\u7a3f\u306a\u3069\u306b\u3088\u308a\u3001\u73fe\u5728\u3067\u306f9\u5104\u30d5\u30a1\u30a4\u30eb\u3092\u8d85\u3048\u308b\u753b\u50cf\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"http:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2014\/12\/Swift5.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2014\/12\/Swift5.png\" alt=\"Swift 9\u5104\u30d5\u30a1\u30a4\u30eb\u306e\u56f3\" width=\"589\" height=\"174\" class=\"aligncenter size-full wp-image-12428\" srcset=\"https:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2014\/12\/Swift5.png 589w, https:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2014\/12\/Swift5-276x81.png 276w\" sizes=\"auto, (max-width: 589px) 100vw, 589px\" \/><\/a><\/p>\n<p>\u65e5\u672c\u6700\u5927\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u3067\u306f\u4e00\u65e5\u306e130\u5104\u4ef6\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u3084\u308a\u3068\u308a\u3055\u308c\u3066\u3044\u308b\u3068\u3044\u3046\u6642\u4ee3\u306b9\u5104\u306a\u3069\u3068\u3044\u3046\u3068\u30d7\u30d7\u30c3\u3068\u7b11\u308f\u308c\u3066\u3057\u307e\u3046\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001Swift\u306b\u5927\u91cf\u306e\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3092\u683c\u7d0d\u3059\u308b\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u6027\u80fd\u4e0a\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u30019\u5104\u30d5\u30a1\u30a4\u30eb\u3092\u683c\u7d0d\u3059\u308b\u306e\u3082\u305d\u308c\u307b\u3069\u7c21\u5358\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u5f0a\u793e\u306e\u753b\u50cf\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u904b\u7528\u3067\u767a\u751f\u3057\u305f\u6027\u80fd\u554f\u984c\u3068\u305d\u306e\u539f\u56e0\u306e\u5206\u6790\u3001\u56de\u907f\u7b56\u3092\u8aac\u660e\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u3053\u306e\u8a18\u4e8b\u306f\u3042\u308b\u7a0b\u5ea6Swift\u3092\u3054\u5b58\u77e5\u306e\u65b9\u3092\u5bfe\u8c61\u306b\u66f8\u3044\u3066\u3044\u307e\u3059\u3002Swift\u3063\u3066\u4f55? \u3068\u3044\u3046\u65b9\u306fOpenStack\u306e\u30b5\u30a4\u30c8\u3084\u5f8c\u8ff0\u306eSwiftStack\u306e\u30b5\u30a4\u30c8\u7b49\u3092\u3054\u89a7\u306b\u306a\u3063\u3066\u304b\u3089\u306e\u65b9\u304c\u7406\u89e3\u3057\u3084\u3059\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<h2>Swift\u306e\u6027\u80fd\u554f\u984c\u3068\u539f\u56e0\u5206\u6790<\/h2>\n<p>\u4e00\u756a\u306e\u554f\u984c\u306f\u3001\u9023\u7d9a\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u66f8\u304d\u8fbc\u3093\u3067\u3044\u304f\u3068\u3001\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u30d5\u30a1\u30a4\u30eb\u6570\u304c\u5897\u3048\u308b\u306b\u3064\u308c\u3066\u66f8\u304d\u8fbc\u307f\u304c\u9045\u304f\u306a\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u30b0\u30e9\u30d5\u306f\u3001\u3042\u308b\u8a2d\u5b9a\u306e\u30af\u30e9\u30b9\u30bf\u306b3400\u4e07\u30d5\u30a1\u30a4\u30eb\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u72b6\u614b\u304b\u3089\u3001\u3055\u3089\u306b\u7d044000\u4e07\u30d5\u30a1\u30a4\u30eb\u3092\u9023\u7d9a\u3057\u3066\u66f8\u304d\u8fbc\u3093\u3060\u3068\u304d\u306e\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"http:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2014\/12\/Swift2.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2014\/12\/Swift2.png\" alt=\"Swift\u306e\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u4f4e\u4e0b\u554f\u984c\" width=\"523\" height=\"321\" class=\"aligncenter size-full wp-image-11986\" \/><\/a><\/p>\n<p>\u203b\u5b9f\u969b\u306e\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u306f\u3053\u306e\u3088\u3046\u306b\u306a\u3081\u3089\u304b\u306a\u3082\u306e\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u30b0\u30e9\u30d5\u306f\u5206\u304b\u308a\u3084\u3059\u3055\u306e\u305f\u3081\u79fb\u52d5\u5e73\u5747\u3092\u3068\u3063\u3066\u5e73\u6ed1\u5316\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>3400\u4e07\u30d5\u30a1\u30a4\u30eb\u304b\u30897500\u4e07\u30d5\u30a1\u30a4\u30eb\u3078\u3068\u30d5\u30a1\u30a4\u30eb\u6570\u304c\u7d042\u500d\u306b\u5897\u52a0\u3057\u305f\u3060\u3051\u3067\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u304c\u307b\u307c2\/3\u306b\u4f4e\u4e0b\u3057\u3066\u304a\u308a\u3001\u3069\u3053\u304b\u3067\u30d5\u30a1\u30a4\u30eb\u6570\u306b\u6bd4\u4f8b\u3059\u308b\u51e6\u7406\u304c\u304a\u3053\u306a\u308f\u308c\u3066\u3044\u308b\u304b\u306e\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002\u306a\u305c\u3053\u306e\u3088\u3046\u306a\u73fe\u8c61\u304c\u8d77\u304d\u308b\u306e\u304b\u3092\u628a\u63e1\u3059\u308b\u305f\u3081\u306b\u306f\u3001Swift\u306e\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5206\u304b\u308a\u3084\u3059\u3044\u56f3\u304cSwiftStack\u306eWeb\u30b5\u30a4\u30c8\u306b\u3042\u3063\u305f\u306e\u3067\u5f15\u7528\u3057\u307e\u3059\u3002<\/p>\n<p><a href=\"http:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2014\/12\/SwiftStack.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2014\/12\/SwiftStack.png\" alt=\"Swift\u306e\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4ed5\u7d44\u307f\" width=\"585\" height=\"281\" class=\"alignnone size-full wp-image-11768\" \/><\/a><\/p>\n<p>\u51fa\u5178: <a href=\"https:\/\/www.swiftstack.com\/openstack-swift\/architecture\/\">https:\/\/www.swiftstack.com\/openstack-swift\/architecture\/<\/a><\/p>\n<p>Swift\u3067\u306f\u5404\u30d5\u30a1\u30a4\u30eb\u306f\u30d1\u30b9\u540d\u304b\u3089\u8a08\u7b97\u3057\u305f\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u3082\u3068\u306b\u7279\u5b9a\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u307e\u3059\u3002\u5404\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306b\u306f3\u3064\u306e\u30ec\u30d7\u30ea\u30ab\u304c\u3042\u308a\u3001\u30ec\u30d7\u30ea\u30b1\u30fc\u30bf\u306f\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u305d\u308c\u3089\u306e\u540c\u671f\u3092\u53d6\u308a\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002\u30ec\u30d7\u30ea\u30b1\u30fc\u30bf\u306b\u306f3\u7a2e\u985e\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u3053\u3067\u91cd\u8981\u306a\u306e\u306f\u30d5\u30a1\u30a4\u30eb\u306e\u540c\u671f\u3092\u53d6\u308bobject-replicator\u3067\u3059\u3002\u5e38\u306b\u5168\u30d5\u30a1\u30a4\u30eb\u306e\u540c\u671f\u3092\u53d6\u308a\u7d9a\u3051\u3066\u3044\u3066\u306f\u5927\u5909\u306a\u8ca0\u8377\u304c\u304b\u304b\u308a\u307e\u3059\u306e\u3067\u3001object-replicator\u306f\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u5185\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u30c1\u30a7\u30c3\u30af\u30b5\u30e0(\u4ee5\u4e0b\u3067\u306f\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u3068\u66f8\u304d\u307e\u3059)\u3092\u8abf\u3079\u3001\u305d\u308c\u3089\u304c\u7570\u306a\u3063\u3066\u3044\u308b\u5834\u5408\u306e\u307frsync\u306b\u3088\u308a\u30d5\u30a1\u30a4\u30eb\u306e\u540c\u671f\u3092\u53d6\u308b\u3068\u3044\u3046\u4ed5\u7d44\u307f\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u6c17\u306b\u306a\u308b\u306e\u304c\u3001\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u3068\u306f\u5177\u4f53\u7684\u306b\u306f\u3069\u306e\u3088\u3046\u306b\u8a08\u7b97\u3055\u308c\u308b\u5024\u306a\u306e\u304b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u3092\u66f8\u304d\u8fbc\u3093\u3060\u308a\u524a\u9664\u3059\u308b\u3068\u304d\u306b\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u3082\u66f4\u65b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u305d\u306e\u8a08\u7b97\u306b\u540c\u3058\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u4ed6\u306e\u5168\u90e8\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u60c5\u5831\u304c\u5fc5\u8981\u306b\u306a\u308b\u3088\u3046\u306a\u3053\u3068\u304c\u3042\u308c\u3070\u3001\u66f8\u304d\u8fbc\u307f\u6642\u9593\u304cO(n)\u3067\u3042\u308b\u304b\u306e\u3088\u3046\u306a\u3075\u308b\u307e\u3044\u3092\u3059\u308b\u3053\u3068\u306e\u8aac\u660e\u304c\u3064\u304f\u3088\u3046\u306b\u601d\u3048\u307e\u3059\u3002\u30b0\u30b0\u3063\u3066\u3082\u4f55\u3092\u8a08\u7b97\u3057\u3066\u3044\u308b\u306e\u304b\u3088\u304f\u308f\u304b\u3089\u306a\u304b\u3063\u305f\u306e\u3067\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u8aad\u3093\u3067\u307f\u308b\u3053\u3068\u306b\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u30d5\u30a1\u30a4\u30eb\u306e\u66f8\u304d\u8fbc\u307f\u306e\u65b9\u304b\u3089\u898b\u3066\u3044\u304d\u307e\u3059\u3002PUT\u306e\u30cf\u30f3\u30c9\u30e9\u304b\u3089\u8ffd\u3063\u3066\u3044\u304f\u3068\u3001\u7279\u306b\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u66f4\u65b0\u3057\u3066\u3044\u308b\u51e6\u7406\u306f\u306a\u3055\u305d\u3046\u3067\u3001\u6700\u7d42\u7684\u306bDiskFile\u30af\u30e9\u30b9\u306eput\u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u304c\u547c\u3070\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306e\u4e2d\u3067invalidate_hash\u3068\u3044\u3046\u95a2\u6570\u304c\u547c\u3070\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/github.com\/openstack\/swift\/blob\/99e2d6e47204b73f182005df1eb80bd4465c36c5\/swift\/obj\/server.py#L617\">https:\/\/github.com\/openstack\/swift\/blob\/...\/swift\/obj\/server.py#L617<\/a><br \/>\n<a href=\"https:\/\/github.com\/openstack\/swift\/blob\/99e2d6e47204b73f182005df1eb80bd4465c36c5\/swift\/obj\/server.py#L705\">https:\/\/github.com\/openstack\/swift\/blob\/...\/swift\/obj\/server.py#L705<\/a><br \/>\n<a href=\"https:\/\/github.com\/openstack\/swift\/blob\/99e2d6e47204b73f182005df1eb80bd4465c36c5\/swift\/obj\/server.py#L313\">https:\/\/github.com\/openstack\/swift\/blob\/...\/swift\/obj\/server.py#L313<\/a><\/p>\n<p>\u3053\u306e\u95a2\u6570\u306f\u540d\u524d\u306e\u901a\u308a\u3067\u3001\u3053\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u3092hashes.pkl\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u8aad\u307f\u8fbc\u3093\u3067\u66f8\u304d\u8fbc\u307e\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u306b\u5bfe\u5fdc\u3059\u308b\u500b\u6240\u3092None\u306b\u8a2d\u5b9a\u3057hashes.pkl\u306b\u66f8\u304d\u623b\u3057\u3066\u3044\u308b\u3060\u3051\u3067\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u306e\u66f8\u304d\u8fbc\u307f\u6642\u306b\u306f\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u306f\u7121\u52b9\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u518d\u8a08\u7b97\u306e\u51e6\u7406\u304c\u8d70\u308b\u3053\u3068\u306f\u306a\u3044\u3088\u3046\u3067\u3059\u3002<\/p>\n<p><a href=\"https:\/\/github.com\/openstack\/swift\/blob\/99e2d6e47204b73f182005df1eb80bd4465c36c5\/swift\/obj\/replicator.py#L157\">https:\/\/github.com\/openstack\/swift\/blob\/...\/swift\/obj\/replicator.py#L157<\/a><\/p>\n<p>\u3061\u306a\u307f\u306b\u3053\u306ehashes.pkl\u306f\u3001\u30cf\u30c3\u30b7\u30e5\u5024\u304c\u5168\u3066\u6709\u52b9\u306a\u5834\u5408\u306b\u306f150KB\u7a0b\u5ea6\u306e\u30b5\u30a4\u30ba\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u5404\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306f4096\u500b\u306e\u30b5\u30d6\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u5206\u5272\u3055\u308c\u3066\u304a\u308a\u3001\u305d\u308c\u305e\u308c\u306b\u3064\u3044\u306632\u30d0\u30a4\u30c8\u306e\u6587\u5b57\u5217\u8868\u73fe\u306eMD5\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u3067\u3059\u3002NASA\u306e\u652f\u63f4\u3092\u53d7\u3051\u3066\u304a\u304d\u306a\u304c\u3089\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u4e00\u3064\u66f8\u304d\u8fbc\u3080\u305f\u3073\u306b150KB\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u307f\u4e00\u90e8\u5909\u66f4\u3057\u66f8\u304d\u623b\u3059\u3068\u3044\u3046\u8a2d\u8a08\u306f\u3044\u304b\u304c\u306a\u3082\u306e\u304b\u3068\u3044\u3046\u6c17\u3082\u3057\u307e\u3059\u304c\u3001O(1)\u3067\u3042\u308b\u3053\u3068\u306f\u78ba\u304b\u3067\u3059\u3002<\/p>\n<p>\u30d5\u30a1\u30a4\u30eb\u306e\u66f8\u304d\u8fbc\u307f\u6642\u306b\u306f\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u7121\u52b9\u5316\u3059\u308b\u51e6\u7406\u3060\u3051\u3068\u3044\u3046\u3053\u3068\u306f\u3001\u518d\u8a08\u7b97\u81ea\u4f53\u306f\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u30d7\u30ed\u30bb\u30b9\u3067\u3084\u3089\u308c\u3066\u3044\u305d\u3046\u3067\u3059\u3002\u3068\u3044\u3046\u3053\u3068\u3067\u4eca\u5ea6\u306fobject-replicator\u306e\u65b9\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p>object-replicator\u306eget_hashes\u3068\u3044\u3046\u95a2\u6570\u3067hashes.pkl\u306e\u8aad\u307f\u8fbc\u307f\u304c\u304a\u3053\u306a\u308f\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u3053\u3067\u7121\u52b9\u306a\u3082\u306e\u304c\u3042\u308c\u3070hash_suffix\u3068\u3044\u3046\u95a2\u6570\u3092\u547c\u3093\u3067\u3044\u307e\u3059\u3002\u3053\u308c\u304c\u518d\u8a08\u7b97\u3092\u3059\u308b\u95a2\u6570\u306e\u3088\u3046\u3067\u3059\u3002<\/p>\n<p><a href=\"https:\/\/github.com\/openstack\/swift\/blob\/99e2d6e47204b73f182005df1eb80bd4465c36c5\/swift\/obj\/replicator.py#L161\">https:\/\/github.com\/openstack\/swift\/blob\/...\/swift\/obj\/replicator.py#L161<\/a><br \/>\n<a href=\"https:\/\/github.com\/openstack\/swift\/blob\/99e2d6e47204b73f182005df1eb80bd4465c36c5\/swift\/obj\/replicator.py#L197\">https:\/\/github.com\/openstack\/swift\/blob\/...\/swift\/obj\/replicator.py#L197<\/a><\/p>\n<p>\u4f55\u3092\u3057\u3066\u3044\u308b\u304b\u3068\u3044\u3046\u3068\u3001\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u4ee5\u4e0b\u306b\u3042\u308b\u30d5\u30a1\u30a4\u30eb\u306e\u4e00\u89a7\u3092\u53d6\u5f97\u3057\u3001\u5168\u3066\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u306eMD5\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u3092\u53d6\u3063\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u306e\u4e2d\u8eab\u306f\u898b\u3066\u304a\u3089\u305a\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u540d\u524d\u3060\u3051\u3092\u898b\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/github.com\/openstack\/swift\/blob\/99e2d6e47204b73f182005df1eb80bd4465c36c5\/swift\/obj\/replicator.py#L84\">https:\/\/github.com\/openstack\/swift\/blob\/...\/swift\/obj\/replicator.py#L84<\/a><br \/>\n<a href=\"https:\/\/github.com\/openstack\/swift\/blob\/99e2d6e47204b73f182005df1eb80bd4465c36c5\/swift\/obj\/replicator.py#L92\">https:\/\/github.com\/openstack\/swift\/blob\/...\/swift\/obj\/replicator.py#L92<\/a><\/p>\n<p>Swift\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u6570\u306f\u4e00\u5b9a\u3067\u3059\u306e\u3067\u3001\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3042\u305f\u308a\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u6570\u306f\u5168\u30d5\u30a1\u30a4\u30eb\u6570\u306b\u6bd4\u4f8b\u3057\u307e\u3059\u3002\u5b9f\u969b\u306b\u306f\u8a08\u7b97\u3068\u3044\u3046\u3088\u308a\u306f\u30d5\u30a1\u30a4\u30eb\u4e00\u89a7\u53d6\u5f97\u306eI\/O\u8ca0\u8377\u304c\u5927\u304d\u3044\u3067\u3059\u304c\u3001\u3053\u306e\u51e6\u7406\u306f\u5168\u30d5\u30a1\u30a4\u30eb\u6570\u306b\u6bd4\u4f8b\u3057\u3066\u6642\u9593\u304c\u304b\u304b\u308b\u51e6\u7406\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3068\u3053\u308d\u3067\u3001get_hashes\u3092\u547c\u3073\u3060\u3057\u3066\u3044\u308b\u306e\u306f\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u30d7\u30ed\u30bb\u30b9\u306eobject-replicator\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002object-replicator\u306f\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u4ed6\u306e\u30ec\u30d7\u30ea\u30ab\u304c\u3042\u308b\u30b5\u30fc\u30d0\u306bREPLICATE\u3068\u3044\u3046\u30b3\u30de\u30f3\u30c9\u3092\u6295\u3052\u3066\u4ed6\u306e\u30ec\u30d7\u30ea\u30ab\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u554f\u3044\u5408\u308f\u305b\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u304a\u308a\u3001\u3053\u308c\u3092\u53d7\u3051\u53d6\u308b\u306e\u306fobject-server\u3067\u3059\u3002\u91cd\u3044\u30cf\u30c3\u30b7\u30e5\u5024\u518d\u8a08\u7b97\u306e\u51e6\u7406\u304c\u3001\u30e6\u30fc\u30b6\u304b\u3089\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3059\u308b\u306e\u3068\u540c\u3058\u30d7\u30ed\u30bb\u30b9\u3067\u3082\u8d70\u308b\u3068\u3044\u3046\u8a2d\u8a08\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/github.com\/openstack\/swift\/blob\/99e2d6e47204b73f182005df1eb80bd4465c36c5\/swift\/obj\/server.py#L908\">https:\/\/github.com\/openstack\/swift\/blob\/...\/swift\/obj\/server.py#L908<\/a><\/p>\n<p>object-server\u3067\u306f\u3069\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u51e6\u7406\u3067\u3082\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u7b49\u306e\u30ea\u30bd\u30fc\u30b9\u304c\u5171\u6709\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u6570\u304c\u5897\u3048\u308b\u306b\u3064\u308c\u3066\u3001\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u30d7\u30ed\u30bb\u30b9\u304c\u9045\u308c\u3066\u3044\u304f\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u66f8\u304d\u8fbc\u307f\u306e\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3082\u843d\u3061\u3066\u3057\u307e\u3046\u3068\u3044\u3046\u306e\u306f\u3053\u306e\u3042\u305f\u308a\u306b\u539f\u56e0\u304c\u3042\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>\u307e\u3068\u3081\u308b\u3068\u4ee5\u4e0b\u306e\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059:<\/p>\n<ul>\n<li>\u30d5\u30a1\u30a4\u30eb\u306e\u66f8\u304d\u8fbc\u307f\u51e6\u7406\u306fhashes.pkl\u306b\u66f8\u304b\u308c\u3066\u3044\u308b\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u7121\u52b9\u306b\u3059\u308b\u3060\u3051\u306a\u306e\u3067O(1)<\/li>\n<li>object-replicator\u306f\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u304c\u7121\u52b9\u3067\u3042\u308c\u3070\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u4e00\u89a7\u3092\u53d6\u3063\u3066\u304d\u3066\u30d5\u30a1\u30a4\u30eb\u540d\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u8a08\u7b97\u3059\u308b\u3002\u3053\u306e\u51e6\u7406\u306fO(n)<\/li>\n<li>object-replicator\u304c\u6295\u3052\u305fREPLICATE\u30b3\u30de\u30f3\u30c9\u3092\u53d7\u3051\u53d6\u3063\u305f\u30b5\u30fc\u30d0\u3067\u3082\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u304c\u7121\u52b9\u3067\u3042\u308c\u3070\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u4e00\u89a7\u306e\u53d6\u5f97\u3068\u30cf\u30c3\u30b7\u30e5\u5024\u518d\u8a08\u7b97\u304c\u304a\u3053\u306a\u308f\u308c\u308b\u3002\u3053\u306e\u51e6\u7406\u3082O(n)<\/li>\n<\/ul>\n<p>\u30d5\u30a1\u30a4\u30eb\u306e\u66f8\u304d\u8fbc\u307f\u51e6\u7406\u81ea\u4f53\u306f\u30d5\u30a1\u30a4\u30eb\u6570\u306b\u4f9d\u5b58\u3057\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3057\u305f\u306e\u3067\u3001\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u30d7\u30ed\u30bb\u30b9\u3067\u3042\u308bobject-replicator\u306e\u5b9f\u884c\u983b\u5ea6\u3092\u4e0b\u3052\u3066\u3084\u308c\u3070\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u304c\u6539\u5584\u3067\u304d\u305d\u3046\u3067\u3059\u3002\u524d\u8ff0\u306e7500\u4e07\u30d5\u30a1\u30a4\u30eb\u306e\u30af\u30e9\u30b9\u30bf\u3067\u3082object-replicator\u3092\u4e00\u6642\u7684\u306b\u505c\u6b62\u3059\u308b\u3053\u3068\u3067\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3092\u56de\u5fa9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<h2>\u904b\u7528\u306b\u3088\u308b\u56de\u907f\u7b56<\/h2>\n<p>\u3053\u3053\u304b\u3089\u306f\u3001\u753b\u50cf\u30b9\u30c8\u30ec\u30fc\u30b8\u306eSwift\u30af\u30e9\u30b9\u30bf\u3067\u4e0a\u8a18\u306e\u3088\u3046\u306a\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u304a\u3053\u306a\u3063\u3066\u3044\u308b\u904b\u7528\u4e0a\u306e\u56de\u907f\u7b56\u3068\u3001\u5b9f\u969b\u306b\u306f\u304a\u3053\u306a\u3063\u3066\u3044\u307e\u305b\u3093\u304c\u6709\u52b9\u3068\u601d\u308f\u308c\u308b\u30a2\u30a4\u30c7\u30a2\u3092\u3044\u304f\u3064\u304b\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h3>object-replicator\u3092\u505c\u6b62\u3059\u308b<\/h3>\n<p>\u65e2\u5b58\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u304b\u3089\u306e\u30c7\u30fc\u30bf\u79fb\u884c\u306e\u3088\u3046\u306b\u5927\u91cf\u306b\u66f8\u304d\u8fbc\u307f\u3092\u7d9a\u3051\u308b\u5834\u5408\u306b\u306f\u3001\u4e00\u6642\u7684\u306bobject-replicator\u3092\u505c\u6b62\u3059\u308b\u3068\u3044\u3046\u306e\u304c\u6709\u52b9\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u30d5\u30a1\u30a4\u30eb\u6570\u304c\u5897\u3048\u3066\u3082\u305d\u308c\u307b\u3069\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u306e\u4f4e\u4e0b\u306a\u304f\u30c7\u30fc\u30bf\u3092\u79fb\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u4ee3\u308f\u308a\u3001object-replicator\u3092\u518d\u958b\u3057\u305f\u6642\u306b\u5168\u90e8\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u306e\u518d\u8a08\u7b97\u3092\u304a\u3053\u306a\u3046\u306e\u306b\u306f \u66f8\u304d\u8fbc\u307f\u304c\u767a\u751f\u3057\u305f\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3 x \u30d5\u30a1\u30a4\u30eb\u6570 \u306b\u6bd4\u4f8b\u3057\u3066\u6642\u9593\u304c\u304b\u304b\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u30c7\u30fc\u30bf\u79fb\u884c\u4e2d\u306b\u30c7\u30a3\u30b9\u30af\u969c\u5bb3\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u969c\u5bb3\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306b\u3001\u5fa9\u65e7\u306b\u3088\u308a\u9577\u3044\u6642\u9593\u304c\u304b\u304b\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u3053\u3046\u3057\u305f\u969c\u5bb3\u304c\u983b\u7e41\u306b\u767a\u751f\u3059\u308b\u3088\u3046\u306a\u30af\u30e9\u30b9\u30bf\u306e\u5834\u5408\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u30b0\u30ea\u30fc\u306e\u69cb\u6210\u3067\u306f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u30c7\u30a3\u30b9\u30af\u969c\u5bb3\u306e\u983b\u5ea6\u304c\u4f4e\u3044\u306e\u3068\u30019\u5104\u30d5\u30a1\u30a4\u30eb\u3067\u3042\u308c\u30702\u9031\u9593\u7a0b\u5ea6\u3067object-replicator\u304c\u5168\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u518d\u8a08\u7b97\u3092\u304a\u3053\u306a\u3048\u308b\u305f\u3081\u3001\u73fe\u5728\u306e\u3068\u3053\u308d\u65e2\u5b58\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u304b\u3089\u306e\u30c7\u30fc\u30bf\u79fb\u884c\u6642\u306b\u306fobject-replicator\u3092\u505c\u6b62\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>object-replicator\u3068object-auditor\u306eI\/O\u512a\u5148\u5ea6\u3092\u4e0b\u3052\u308b<\/h3>\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7c21\u5358\u306a\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u8d70\u3089\u305b\u3066object-replicator\u3068object-auditor\u306eI\/O\u512a\u5148\u5ea6\u3092\u4e0b\u3052\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre>#!\/bin\/bash\n\nfor i in `ps aux | grep swift-object-replicator | grep -v grep | awk '{print $2}'` ; do\n  sudo ionice -c3 -p $i\n  sudo ionice -p $i\ndone\n\nfor i in `ps aux | grep swift-object-auditor | grep -v grep | awk '{print $2}'` ; do\n  sudo ionice -c3 -p $i\n  sudo ionice -p $i\ndone\n<\/pre>\n<p>\u524d\u7bc0\u3067\u8aac\u660e\u3057\u305f\u3088\u3046\u306bREPLICATE\u30b3\u30de\u30f3\u30c9\u306fobject-server\u304c\u5b9f\u884c\u3059\u308b\u305f\u3081\u3001\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u8a08\u7b97\u306b\u3068\u3082\u306a\u3046\u5168\u3066\u306eI\/O\u306e\u512a\u5148\u5ea6\u3092\u4e0b\u3052\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u304c\u3001object-replicator\u306eI\/O\u512a\u5148\u5ea6\u3092\u4e0b\u3052\u308b\u3060\u3051\u3067\u3082\u591a\u5c11\u306f\u6539\u5584\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>object-auditor\u306f\u4e0a\u8a18\u306e\u6027\u80fd\u554f\u984c\u3068\u306f\u76f4\u63a5\u95a2\u4fc2\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u3082\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u30d5\u30a1\u30a4\u30eb\u3092read\u3057\u7d9a\u3051\u307e\u3059\u306e\u3067I\/O\u512a\u5148\u5ea6\u3092\u4e0b\u3052\u3066\u304a\u3044\u305f\u65b9\u304c\u7121\u96e3\u3067\u3057\u3087\u3046\u3002<\/p>\n<h3>\u30ea\u30f3\u30b0\u30d5\u30a1\u30a4\u30eb\u751f\u6210\u6642\u306b\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u6570\u3092\u5927\u304d\u3081\u306b\u8a2d\u5b9a\u3059\u308b<\/h3>\n<p>\u4e00\u822c\u7684\u306aSwift\u306e\u904b\u7528\u3067\u306f\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u6570\u306f\u30c7\u30a3\u30b9\u30af\u306e\u672c\u6570\u306e100\u500d\u7a0b\u5ea6\u306b\u3059\u308b\u306e\u304c\u3088\u3044\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u4e3b\u306b\u5404\u30c7\u30a3\u30b9\u30af\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u308b\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u6570\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u8003\u616e\u3057\u305f\u3082\u306e\u3067\u3001\u5404\u30c7\u30a3\u30b9\u30af\u306b\u3060\u3044\u305f\u3044100\u500b\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u304c\u5272\u308a\u5f53\u305f\u308c\u3070\u3001\u30c7\u30a3\u30b9\u30af\u3042\u305f\u308a\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u6570\u306e\u5dee\u304c1%\u4ee5\u4e0b\u306b\u304a\u3055\u3048\u3089\u308c\u308b\u304b\u3089\u3068\u3044\u3046\u306e\u304c\u305d\u306e\u6839\u62e0\u3067\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u306e\u3088\u3046\u306b\u5c0f\u3055\u3044\u30d5\u30a1\u30a4\u30eb\u3092\u5927\u91cf\u306b\u683c\u7d0d\u3059\u308b\u5834\u5408\u306b\u306f\u30c7\u30a3\u30b9\u30af\u306e\u672c\u6570\u3082\u305d\u308c\u307b\u3069\u591a\u304f\u306f\u5fc5\u8981\u306a\u3044\u306e\u3067\u3001\u3053\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u305d\u3063\u3066\u8a2d\u5b9a\u3057\u3066\u3057\u307e\u3046\u3068\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u6570\u304c\u5c11\u306a\u304f\u306a\u308a\u3059\u304e\u3001\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3042\u305f\u308a\u306e\u30d5\u30a1\u30a4\u30eb\u6570\u304c\u591a\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u30b0\u30ea\u30fc\u306e\u753b\u50cf\u30b9\u30c8\u30ec\u30fc\u30b8\u3067\u306f\u3001\u5f53\u521d\u306e\u898b\u7a4d\u3082\u308a\u3092\u5143\u306b\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u6570\u3092 2^13 = 8192 \u306b\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3042\u305f\u308a\u306e\u30d5\u30a1\u30a4\u30eb\u6570\u3092\u8003\u3048\u308b\u3068\u3053\u308c\u306f\u5c11\u306a\u3059\u304e\u305f\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u30d5\u30a1\u30a4\u30eb\u6570\u304c\u591a\u3044\u7528\u9014\u306e\u5834\u5408\u306f\u3053\u306e\u5024\u306f\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3088\u308a\u3082\u5927\u304d\u3081\u306b\u8a2d\u5b9a\u3057\u3066\u304a\u3044\u305f\u65b9\u304c\u3088\u3044\u3088\u3046\u306b\u601d\u3044\u307e\u3059\u3002\u3042\u307e\u308a\u5927\u304d\u304f\u3059\u308b\u3068Swift\u30d7\u30ed\u30bb\u30b9\u306e\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u304c\u5897\u3048\u305f\u308a\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u6642\u9593\u304c\u304b\u304b\u308b\u306a\u3069\u306e\u554f\u984c\u304c\u8d77\u3053\u308b\u3088\u3046\u3067\u3059\u304c\u30012^17\u7a0b\u5ea6\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u6570\u3067\u3042\u308c\u3070\u5c11\u306a\u3044\u30c7\u30a3\u30b9\u30af\u672c\u6570\u3067\u904b\u7528\u3057\u3066\u3082\u7279\u306b\u5bb3\u306f\u306a\u3055\u305d\u3046\u3067\u3059\u3002<\/p>\n<p>\u5024\u306e\u76ee\u5b89\u3067\u3059\u304c\u3001\u5404\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306f4096\u500b\u306e\u30b5\u30d6\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u5206\u5272\u3055\u308c\u307e\u3059\u306e\u3067\u3001\u683c\u7d0d\u3057\u305f\u3044\u30d5\u30a1\u30a4\u30eb\u6570 \/ 4096 \u3088\u308a\u3082\u5927\u304d\u306a\u5024\u306b\u3057\u3066\u3082\u52b9\u679c\u306f\u306a\u3055\u305d\u3046\u3067\u3059\u300210\u5104\u30d5\u30a1\u30a4\u30eb\u3067\u3057\u305f\u3089 10\u5104 \/ 4096 = 244140 \u306a\u306e\u3067 2^17 = 131072 \u3067\u5341\u5206\u3067\u3057\u3087\u3046\u3002<\/p>\n<h3>\u30b3\u30f3\u30c6\u30ca\u3042\u305f\u308a\u306e\u30d5\u30a1\u30a4\u30eb\u6570\u3092\u5236\u9650\u3059\u308b<\/h3>\n<p>\u3053\u308c\u307e\u3067\u306b\u8aac\u660e\u3057\u305f\u554f\u984c\u3068\u306f\u5225\u306b\u3001Swift\u3067\u306f1\u3064\u306e\u30b3\u30f3\u30c6\u30ca\u306b\u5165\u3063\u3066\u3044\u308b\u30d5\u30a1\u30a4\u30eb\u306e\u4e00\u89a7\u304c1\u3064\u306eSQLite\u30d5\u30a1\u30a4\u30eb\u306b\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u3068\u3044\u3046\u554f\u984c\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u76ee\u5b89\u3068\u3057\u3066\u306f1\u3064\u306e\u30b3\u30f3\u30c6\u30ca\u306b100\u4e07\u500b\u4ee5\u4e0a\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u683c\u7d0d\u3059\u308b\u3068SQLite\u30d5\u30a1\u30a4\u30eb\u306e\u30b5\u30a4\u30ba\u306e\u5897\u5927\u306b\u3088\u308a\u6027\u80fd\u304c\u52a3\u5316\u3059\u308b\u3068\u8a00\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u30b0\u30ea\u30fc\u3067\u306e\u904b\u7528\u3067\u306f\u3001\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u30921000\u500b\u306e\u30b3\u30f3\u30c6\u30ca\u306b\u30b7\u30e3\u30fc\u30c7\u30a3\u30f3\u30b0\u3057\u3066\u683c\u7d0d\u3057\u3001\u4eca\u306e\u3068\u3053\u308d1\u3064\u306e\u30b3\u30f3\u30c6\u30ca\u3042\u305f\u308a\u306e\u30d5\u30a1\u30a4\u30eb\u6570\u304c100\u4e07\u500b\u7a0b\u5ea6\u306b\u306a\u308b\u3088\u3046\u306b\u904b\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u66f8\u304d\u8fbc\u307f\/\u8aad\u307f\u8fbc\u307f\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u8a2d\u3051\u308b<\/h3>\n<p>\u30b0\u30ea\u30fc\u306e\u753b\u50cf\u30b9\u30c8\u30ec\u30fc\u30b8\u3067\u306f\u3001\u30b2\u30fc\u30e0\u3067\u306e\u30a4\u30d9\u30f3\u30c8\u7b49\u306b\u3088\u308a\u4e00\u6642\u7684\u306b\u5927\u91cf\u306e\u753b\u50cf\u306e\u66f8\u304d\u8fbc\u307f\u304c\u767a\u751f\u3059\u308b\u5834\u5408\u304c\u3042\u308b\u305f\u3081\u3001\u30e6\u30fc\u30b6\u306e\u307f\u306a\u3055\u307e\u304c\u6295\u7a3f\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u76f4\u63a5Swift\u306b\u66f8\u304d\u8fbc\u3080\u306e\u3067\u306f\u306a\u304f\u3001Flare\u3068\u3044\u3046\u81ea\u793e\u88fd\u306eKVS\u306b\u307e\u305a\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u306bHTTP\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092Flare\u306ememcached\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u5909\u63db\u3059\u308b\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u30b5\u30fc\u30d0\u3092Haskell\u3067\u958b\u767a\u3057\u3066\u3044\u307e\u3059\u3002\u8aad\u307f\u8fbc\u307f\u5074\u306b\u95a2\u3057\u3066\u3082Varnish\u3092\u4f7f\u3063\u3066\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u30d5\u30a1\u30a4\u30eb\u306e\u66f8\u304d\u8fbc\u307f\u3092\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u9806\u306b\u3059\u308b<\/h3>\n<p>\u753b\u50cf\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u3088\u3046\u306b\u6bce\u65e5\u5c11\u3057\u305a\u3064\u30d5\u30a1\u30a4\u30eb\u304c\u5897\u3048\u7d9a\u3051\u308b\u3088\u3046\u306a\u7528\u9014\u3067\u306f\u4f7f\u3044\u3065\u3089\u3044\u3067\u3059\u304c\u3001\u7a7a\u306eSwift\u30af\u30e9\u30b9\u30bf\u306b\u5927\u91cf\u306b\u65e2\u5b58\u306e\u30c7\u30fc\u30bf\u3092\u79fb\u884c\u3059\u308b\u3068\u304d\u306a\u3069\u306b\u306f\u6709\u52b9\u3068\u601d\u308f\u308c\u308b\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<p>swift\u30b3\u30de\u30f3\u30c9\u3067\u666e\u901a\u306b\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u3068\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9\u540d\u306e\u9806\u756a\u3067\u66f8\u304d\u8fbc\u307e\u308c\u308b\u305f\u3081\u3001\u30e9\u30f3\u30c0\u30e0\u306a\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306b\u66f8\u304d\u8fbc\u307f\u304c\u304a\u3053\u306a\u308f\u308c\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u540c\u3058\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u30c7\u30a3\u30b9\u30af\u4e0a\u306e\u96e2\u308c\u305f\u5834\u6240\u306b\u66f8\u304d\u8fbc\u307e\u308c\u3001\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u8a08\u7b97\u6642\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u4e00\u89a7\u306e\u53d6\u5f97\u306b\u6642\u9593\u304c\u304b\u304b\u308b\u539f\u56e0\u306b\u3082\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002Swift\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u305f\u3044\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9\u540d\u304c\u5206\u304b\u3063\u3066\u3044\u308b\u5834\u5408\u306b\u306f\u3001\u3053\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u683c\u7d0d\u3055\u308c\u308b\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3092\u3042\u3089\u304b\u3058\u3081\u8a08\u7b97\u3057\u3066\u304a\u304d\u3001\u540c\u3058\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306b\u5165\u308b\u30d5\u30a1\u30a4\u30eb\u3092\u307e\u3068\u3081\u3066\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308c\u3070\u3001\u30c7\u30a3\u30b9\u30af\u4e0a\u306e\u8fd1\u3044\u4f4d\u7f6e\u306b\u66f8\u304d\u8fbc\u307e\u308c\u308b\u305f\u3081\u3001\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u4e00\u89a7\u53d6\u5f97\u6642\u306eI\/O\u8ca0\u8377\u3092\u4f4e\u6e1b\u3059\u308b\u3053\u3068\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u53c2\u8003\u307e\u3067\u306b\u30b5\u30fc\u30d03\u53f0\u306e\u898f\u6a21\u304c\u5c0f\u3055\u3044\u30af\u30e9\u30b9\u30bf\u3067\u7c21\u5358\u306a\u5b9f\u9a13\u3092\u3057\u305f\u306e\u3067\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<div id=\"attachment_12003\" style=\"width: 566px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2014\/12\/Swift3.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-12003\" src=\"http:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2014\/12\/Swift3.png\" alt=\"\u30bd\u30fc\u30c8\u6642\u3068\u672a\u30bd\u30fc\u30c8\u6642\u306e\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\" width=\"556\" height=\"346\" class=\"size-full wp-image-12003\" \/><\/a><p id=\"caption-attachment-12003\" class=\"wp-caption-text\">\u30bd\u30fc\u30c8\u6642\u3068\u672a\u30bd\u30fc\u30c8\u6642\u306e\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8<\/p><\/div>\n<div id=\"attachment_12142\" style=\"width: 510px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2014\/12\/FastCopy1.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-12142\" src=\"http:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2014\/12\/FastCopy1-600x275.png\" alt=\"\u30bd\u30fc\u30c8\u305b\u305a\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\" width=\"500\" height=\"275\" class=\"size-medium wp-image-12142\" \/><\/a><p id=\"caption-attachment-12142\" class=\"wp-caption-text\">\u30bd\u30fc\u30c8\u305b\u305a\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u305f\u3068\u304d\u306eI\/O util<\/p><\/div>\n<div id=\"attachment_12143\" style=\"width: 510px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2014\/12\/FastCopy2.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-12143\" src=\"http:\/\/labs.gree.jp\/blog\/wp-content\/uploads\/2014\/12\/FastCopy2-600x278.png\" alt=\"\u30bd\u30fc\u30c8\u3057\u3066\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\" width=\"500\" height=\"278\" class=\"size-medium wp-image-12143\" \/><\/a><p id=\"caption-attachment-12143\" class=\"wp-caption-text\">\u30bd\u30fc\u30c8\u3057\u3066\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u305f\u3068\u304d\u306eI\/O util<\/p><\/div>\n<p>\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u9806\u306b\u30bd\u30fc\u30c8\u3057\u3066\u66f8\u304d\u8fbc\u3093\u3060\u3082\u306e\u3068\u30d1\u30b9\u540d\u9806\u306b\u66f8\u304d\u8fbc\u3093\u3060\u3082\u306e\u3068\u3092\u6bd4\u8f03\u3059\u308b\u3068\u3001\u660e\u3089\u304b\u306b\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u9806\u306b\u30bd\u30fc\u30c8\u3057\u305f\u3082\u306e\u306e\u65b9\u304c\u9ad8\u901f\u306b\u30d5\u30a1\u30a4\u30eb\u3092\u66f8\u304d\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u3001\u30c7\u30a3\u30b9\u30af\u306eI\/O util\u3082\u4f4e\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u6ce8\u610f\u70b9\u3068\u3057\u3066\u306f\u3001\u30c7\u30a3\u30b9\u30af\u306e\u672c\u6570\u304c\u591a\u3044\u5b9f\u969b\u306e\u30af\u30e9\u30b9\u30bf\u306b\u66f8\u304d\u8fbc\u3080\u5834\u5408\u306b\u306f\u3001\u5b8c\u5168\u306b\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u9806\u306b\u30bd\u30fc\u30c8\u3057\u3066\u3057\u307e\u3046\u3068\u540c\u3058\u30c7\u30a3\u30b9\u30af\u3070\u304b\u308a\u306b\u66f8\u304d\u8fbc\u307f\u304c\u304a\u3053\u306a\u308f\u308c\u308b\u305f\u3081\u3001\u4e26\u5217\u5ea6\u3092\u4e0a\u3052\u3066\u3082\u30c7\u30a3\u30b9\u30afI\/O\u304c\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306b\u306a\u308a\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u304c\u4e0a\u304c\u3089\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u5225\u306e\u30c7\u30a3\u30b9\u30af\u306b\u914d\u7f6e\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3042\u308c\u3070\u5225\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3067\u3042\u3063\u3066\u3082\u540c\u6642\u306b\u66f8\u304d\u8fbc\u3080\u3088\u3046\u306b\u30bd\u30fc\u30c8\u3057\u305f\u65b9\u304c\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u753b\u50cf\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u904b\u7528\u306e\u969b\u306b\u7b46\u8005\u304c\u7d4c\u9a13\u3057\u305fSwift\u306e\u554f\u984c\u70b9\u3092\u4e3b\u306b\u53d6\u308a\u4e0a\u3052\u308b\u3053\u3068\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u304c\u3001Swift\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u69cb\u6210\u304c\u30b7\u30f3\u30d7\u30eb\u3067\u3042\u308aSPOF\u3082\u306a\u304f\u3001\u30ce\u30fc\u30c9\u8ffd\u52a0\u3067\u7c21\u5358\u306b\u5bb9\u91cf\u304c\u5897\u3084\u305b\u308b\u306a\u3069\u3001\u904b\u7528\u306e\u5bb9\u6613\u3055\u3084\u53ef\u7528\u6027\u3001\u62e1\u5f35\u6027\u306e\u9762\u3067\u306f\u512a\u308c\u305f\u30b9\u30c8\u30ec\u30fc\u30b8\u3067\u3059\u3002\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u306e\u3088\u3046\u306a\u5c0f\u3055\u3044\u30d5\u30a1\u30a4\u30eb\u3092\u5927\u91cf\u306b\u683c\u7d0d\u3059\u308b\u3068\u3044\u3046\u7528\u9014\u306b\u6700\u9069\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\u3068\u306f\u8a00\u3048\u307e\u305b\u3093\u304c\u3001\u4ed5\u7d44\u307f\u304c\u5358\u7d14\u3067\u3042\u308b\u305f\u3081\u3001\u554f\u984c\u70b9\u3092\u7406\u89e3\u3057\u3066\u3057\u307e\u3048\u3070\u304b\u306a\u308a\u306e\u90e8\u5206\u306f\u904b\u7528\u3067\u56de\u907f\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002\u307f\u306a\u3055\u3093\u3082Swift\u3092\u4f7f\u3063\u3066130\u5104\u30d5\u30a1\u30a4\u30eb\u306e\u753b\u50cf\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u69cb\u7bc9\u306b\u6311\u6226\u3057\u3066\u307f\u3066\u306f\u3044\u304b\u304c\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u660e\u65e5\u306f\u304c\u3089\u3063\u3068\u8a71\u3092\u5909\u3048\u3066\u3001\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u672c\u90e8\u306e\u5c71\u7530\u3055\u3093\u306b\u3088\u308b3D\u30e2\u30c7\u30ea\u30f3\u30b0\u30c4\u30fc\u30eb\u306e\u7d39\u4ecb\u3067\u3059\u3002\u304a\u697d\u3057\u307f\u306b!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3002\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u672c\u90e8\u306e\u7af9\u8fba\u3067\u3059\u3002\u3053\u306e\u30a8\u30f3\u30c8\u30ea\u306fGREE Advent Calendar 2014 4\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002 GREE\u306eSNS\u3067\u306f\u3001\u30e6\u30fc\u30b6\u306e\u307f\u306a\u3055\u307e\u304c\u6295\u7a3f\u3057\u305f\u753b\u50cf\u3092\u4fdd\u5b58\u3059\u308b\u305f\u3081\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u904b\u7528\u3057 [&hellip;]<\/p>\n","protected":false},"author":29,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[],"tags":[54,81],"class_list":["post-11746","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","tag-advent-calendar","tag-openstack"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/posts\/11746","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/users\/29"}],"replies":[{"embeddable":true,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/comments?post=11746"}],"version-history":[{"count":3,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/posts\/11746\/revisions"}],"predecessor-version":[{"id":12429,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/posts\/11746\/revisions\/12429"}],"wp:attachment":[{"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/media?parent=11746"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/categories?post=11746"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/tags?post=11746"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}