{"id":2686,"date":"2017-11-16T23:57:51","date_gmt":"2017-11-16T14:57:51","guid":{"rendered":"http:\/\/blog.xcir.net\/?p=2686"},"modified":"2017-11-16T23:59:35","modified_gmt":"2017-11-16T14:59:35","slug":"varnish4-1-95-2-1%e3%81%8c%e5%85%ac%e9%96%8b%e3%81%95%e3%82%8c%e3%81%be%e3%81%97%e3%81%9f","status":"publish","type":"post","link":"https:\/\/blog.xcir.net\/?p=2686","title":{"rendered":"Varnish4.1.9\/5.2.1\u304c\u516c\u958b\u3055\u308c\u307e\u3057\u305f"},"content":{"rendered":"<p>Varnish\u306e\u8907\u6570\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u307e\u3057\u305f\u3002 [<a href=\"https:\/\/github.com\/varnishcache\/varnish-cache\/blob\/varnish-5.2.1\/doc\/changes.rst\">changelog<\/a>] [<a href=\"https:\/\/packagecloud.io\/varnishcache\/varnish5\">\u30d1\u30c3\u30b1\u30fc\u30b8DL<\/a>] [<a href=\"https:\/\/varnish-cache.org\/releases\/index.html\">\u30bd\u30fc\u30b9DL<\/a>]<\/p>\n<p>\u4eca\u56de\u306e\u30ea\u30ea\u30fc\u30b9\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306b\u3088\u308b\u3082\u306e\u3067\u3001\u306a\u308b\u3060\u3051\u8fc5\u901f\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3001\u3082\u3057\u304f\u306f\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u8a2d\u5b9a\u3092\u898b\u76f4\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u8a73\u3057\u304f\u306f\u516c\u5f0f\u60c5\u5831(<a href=\"https:\/\/varnish-cache.org\/security\/VSV00002.html\">VSV00002<\/a>)\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h4>\u8106\u5f31\u6027\u306e\u5185\u5bb9<\/h4>\n<p>\u4ee5\u4e0b\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3059\u969b\u306bsegfault\/\u30c7\u30fc\u30bf\u30ea\u30fc\u30af\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>VCL_backend_error\u3067\u751f\u6210\u3057\u305fsynthetic\u30aa\u30d6\u30b8\u30a7\u30af\u30c8(beresp.body)\u3092<\/li>\n<li>file\/persistent\u30b9\u30c8\u30ec\u30fc\u30b8\u306b\u633f\u5165\u3059\u308b<\/li>\n<\/ul>\n<h5>\u539f\u56e0<\/h5>\n<p>\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3078\u306e\u63a5\u7d9a\u304c\u5931\u6557\u3057\u305f\u308a\u306a\u3069\u3067\u8868\u793a\u3055\u308c\u308b\u30a8\u30e9\u30fc\u753b\u9762\u306fvcl_backend_error\u3067\u751f\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n<a href=\"https:\/\/github.com\/varnishcache\/varnish-cache\/blob\/varnish-5.2.1\/bin\/varnishd\/builtin.vcl#L164-L183\">builtin.vcl<\/a>\u3092\u307f\u308c\u3070\u308f\u304b\u308b\u3088\u3046\u306b\u3053\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u5185\u3067\u30a8\u30e9\u30fc\u753b\u9762\u3092\u751f\u6210\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3067\u3001\u3053\u306e\u751f\u6210\u3057\u305f\u3082\u306e\u3092\u5f8c\u51e6\u7406\u3067\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u78ba\u4fdd\u3057\u3066\u304b\u3089beresp.body\u304b\u3089\u30b9\u30c8\u30ec\u30fc\u30b8\u3078memcpy(3)\u3059\u308b\u3093\u3067\u3059\u304c\u3001\u3053\u306e\u969b\u306bfile\/persistent\u30b9\u30c8\u30ec\u30fc\u30b8\u304c\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u9078\u3070\u308c\u305f\u969b\u306b\u554f\u984c\u304c\u767a\u751f\u3057\u307e\u3059\u3002<br \/>\nfile\/persistent\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u9818\u57df\u306fpage-size\u3067align\u3055\u308c\u3066\u304a\u308a\u3001\u78ba\u4fdd\u30b5\u30a4\u30ba\u304c\u5272\u308a\u5207\u308c\u306a\u3044\u5834\u5408\u306f\u3061\u3087\u3063\u3068\u4f59\u5206\u306a\u5bb9\u91cf\u304c\u3064\u3044\u3066\u304d\u307e\u3059\u3002<br \/>\n\u3067\u3001\u3053\u306e\u6642\u306bmemcpy(3)\u306e\u7b2c\u4e09\u5f15\u6570\u306b\u6307\u5b9a\u3059\u308b\u30b5\u30a4\u30ba\u3092align\u3055\u308c\u305f\u30b5\u30a4\u30ba\u3092\u305d\u306e\u307e\u307e\u6e21\u3057\u3066\u3057\u307e\u3063\u305f\u305f\u3081\u306b\u3001\u30b3\u30d4\u30fc\u5143\u304b\u3089\u4f59\u5206\u306a\u30b5\u30a4\u30ba\u3092read\u3057\u3088\u3046\u3068\u3057\u3066\u3057\u307e\u3044\u307e\u3059(\u306a\u306e\u3067\u3060\u3044\u305f\u3044\u306fsegfault\u3059\u308b\u304b\u3068)<\/p>\n<p>\u3067\u306f\u3001vcl_backend_error\u3092\u901a\u904e\u3059\u308b\u3068\u5fc5\u305a\u8d77\u304d\u308b\u304b\u3068\u3044\u3046\u3068\u305d\u3046\u3067\u3082\u306a\u3044\u3067\u3059\u3002<br \/>\n\u3053\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u753b\u9762\u306a\u3069\u306f\u3001TTL\u304c\u77ed\u3044\u305f\u3081transient\u3068\u3044\u3046\u30c6\u30f3\u30dd\u30e9\u30ea\u30b9\u30c8\u30ec\u30fc\u30b8\u306b\u4fdd\u5b58\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3053\u308c\u306f\u660e\u793a\u7684\u306b\u6307\u5b9a\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u306fmalloc\u30b9\u30c8\u30ec\u30fc\u30b8\u30a8\u30f3\u30b8\u30f3\u304c\u5229\u7528\u3055\u308c\u308b\u306e\u3067\u4eca\u56de\u306e\u30b1\u30fc\u30b9\u306b\u306f\u5f53\u3066\u306f\u307e\u308a\u307e\u305b\u3093\u3002<br \/>\n\u3057\u304b\u3057\u3001transient\u306b\u633f\u5165\u3059\u308b\u6761\u4ef6\u306f\u30a8\u30e9\u30fc\u753b\u9762\u3060\u304b\u3089\u3068\u304b\u305d\u3046\u3044\u3046\u306e\u3067\u306f\u306a\u304f\u3001\u7d14\u7c8b\u306bTTL(\u6b63\u78ba\u306b\u306fttl+grace+keep\u306e\u5408\u8a08\u5024)\u304c\u30d1\u30e9\u30e1\u30fc\u30bf\u306eshortlived\u672a\u6e80\u304b\u3069\u3046\u304b\u3067\u3059\u3002<br \/>\nshortlived\u3092\u8d85\u3048\u308b\u5834\u5408\u306fhint\u3067\u6307\u5b9a\u3055\u308c\u305f\uff08\u7121\u6307\u5b9a\u306fdefault\uff09\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<br \/>\n\u305d\u3057\u3066\u3001shortlived\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u306710\u79d2\u306a\u306e\u3067\u3001VCL_backend_error\u306b\u304a\u3044\u3066ttl\u304c\u305d\u308c\u4ee5\u4e0a\u306b\u306a\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u308b\u3068\u5f15\u3063\u304b\u304b\u308a\u307e\u3059\u3002\uff08\u305d\u306e\u3088\u3046\u306a\u4eba\u306f\u73cd\u3057\u3044\u6c17\u3082\u3057\u307e\u3059\u304c\u30fb\u30fb\uff09<br \/>\n\u3067\u306f\u3001\u305d\u306e\u307e\u307e\u4f7f\u3063\u3066\u3044\u308b\u30b1\u30fc\u30b9\u3067\u3042\u308c\u3070\u8e0f\u307e\u306a\u3044\u304b\u3068\u3044\u3046\u3068\u3001\u5b9f\u306f\u8e0f\u3080\u30b1\u30fc\u30b9\u304c\u5b58\u5728\u3057\u307e\u3059\u3002<br \/>\n<a href=\"https:\/\/github.com\/varnishcache\/varnish-cache\/blob\/varnish-5.2.1\/bin\/varnishd\/cache\/cache_fetch.c#L845-L855\">\u3053\u3053\u306e\u30b3\u30fc\u30c9<\/a>\u3092\u898b\u3066\u307f\u308b\u3068\u540c\u4e00\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u3042\u308b\u72b6\u614b\uff08waitinglist\u306b\u5165\u3063\u3066\u308b\uff09\u306e\u5834\u5408\u3060\u3068ttl+grace+keep\u306e\u5408\u8a08\u304c11sec\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u30c7\u30d5\u30a9\u30eb\u30c8\u306eshortlived\u304c10sec\u306a\u306e\u3067<a href=\"https:\/\/github.com\/varnishcache\/varnish-cache\/blob\/varnish-5.2.1\/bin\/varnishd\/cache\/cache_fetch.c#L57-L62\">\u3053\u3053\u306b<\/a>\u30bf\u30c3\u30c1\u3057\u307e\u3059\u306e\u3067\u3001\u3053\u306e\u72b6\u614b\u3067default storage\u304cfile\/persistent\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u8e0f\u3093\u3067\u3057\u307e\u3044\u307e\u3059\u3002<br \/>\n\u306a\u306e\u3067\u307e\u3068\u3081\u308b\u3068\u3053\u3093\u306a\u611f\u3058\u306b\u306a\u308a\u307e\u3059<\/p>\n<p><strong>Transient\u3092\u660e\u793a\u7684\u306bfile\/persistent\u6307\u5b9a\u3057\u3066\u3044\u308b\u5834\u5408(ex -sTransient=file&#8230;)<\/strong><br \/>\nvcl_backend_error\u306b\u7a81\u5165\u3057\u305f\u5834\u5408\u306f\u5f15\u3063\u304b\u304b\u308a\u307e\u3059\u3002<br \/>\n\u305d\u3082\u305d\u3082Transient\u3092file\/persistent\u3067\u4f7f\u3046\u30e1\u30ea\u30c3\u30c8\u306f\u305d\u3053\u307e\u3067\u7121\u3044\u306e\u3067\u518d\u691c\u8a0e\u3059\u308b\u3068\u3088\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p><strong>\u30c7\u30d5\u30a9\u30eb\u30c8\u30b9\u30c8\u30ec\u30fc\u30b8\u306bfile\/persistent\u6307\u5b9a\u3057\u3066\u3044\u308b\u5834\u5408<\/strong><br \/>\n\u3053\u306e\u30b1\u30fc\u30b9\u3067\u306f2\u30d1\u30bf\u30f3\u3042\u308a\u307e\u3059\u3002<br \/>\nvcl_backend_error\u3067TTL\/grace\/keep\u3092\u660e\u793a\u7684\u306b\u6307\u5b9a\u3057\u3066\u3044\u3066\u3001\u5408\u8a08\u5024\u304cshortlived\u4ee5\u4e0a\u306e\u5834\u5408\u306fvcl_backend_error\u306b\u7a81\u5165\u3057\u305f\u5834\u5408\u306f\u5f15\u3063\u304b\u304b\u308a\u307e\u3059\u3002<br \/>\n\u6b21\u306bTTL\u306e\u5909\u66f4\u3082\u306a\u304f\u3001shortlived\u306e\u5909\u66f4\u3082\u306a\u3044(default 10sec)\u5834\u5408\u3067\u540c\u4e00\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u30e9\u30c3\u30b7\u30e5\u3057\u3066\u308b\u72b6\u614b\u3060\u3068TTL\u5408\u8a08\u5024\u304cshortlived\u3092\u8d85\u3048\u308b\u305f\u3081vcl_backend_error\u306b\u7a81\u5165\u3057\u305f\u5834\u5408\u306f\u5f15\u3063\u304b\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001\u540c\u69d8\u306bsynthetic\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3059\u308bvcl_synth\u306e\u307b\u3046\u306f\u5f71\u97ff\u3092\u53d7\u3051\u307e\u305b\u3093\u3002<br \/>\nvcl_synth\u306e\u5834\u5408\u306f<a href=\"https:\/\/github.com\/varnishcache\/varnish-cache\/blob\/varnish-5.2.1\/bin\/varnishd\/cache\/cache_req_fsm.c#L303\">\u3053\u3053<\/a>\u3067memcpy(3)\u3057\u3066\u3044\u307e\u3059\u304c\u3001resp.body\u306elength(szl)\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h4>\u66ab\u5b9a\u306e\u56de\u907f\u65b9\u6cd5<\/h4>\n<p>\u305d\u308c\u305e\u308c\u306e\u8a2d\u5b9a\u306b\u3088\u3063\u3066\u9055\u3044\u307e\u3059\u304c\u3001\u8aac\u660e\u3057\u305f\u3068\u304a\u308a\u3068\u308a\u3042\u3048\u305avcl_backend_error\u3067file\/persistent\u30b9\u30c8\u30ec\u30fc\u30b8\u304c\u4f7f\u308f\u308c\u306a\u3051\u308c\u3070OK\u3067\u3059\u3002<br \/>\n\u306a\u306e\u3067vcl_backend_error\u3082shortlived\u3082\u3044\u3058\u3063\u3066\u306a\u3044\u5834\u5408\u306fshortlived\u309212s\u306b\u8a2d\u5b9a\u3059\u308b\u304bvcl_backend_error\u3067\u306eTTL\/grace\/keep\u6307\u5b9a\u3092\u660e\u793a\u7684\u306b0\u306b\u3059\u308b\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002<br \/>\n\u306a\u304a\u3001shortlived\u3092\u5f15\u304d\u4e0a\u3052\u305f\u5834\u5408\u306f\u30e1\u30e2\u30ea\u306e\u4f7f\u7528\u72b6\u6cc1\u304c\u5909\u308f\u308b\u306e\u3067\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3057\u3001TTL\u3092\u660e\u793a\u7684\u306b0\u306b\u3057\u305f\u5834\u5408\u306f\u82e5\u5e72\u30e9\u30c3\u30b7\u30e5\u6642\u306e\u30aa\u30ea\u30b8\u30f3\u306e\u8010\u6027\u304c\u5f31\u304f\u306a\u308b\u3067\u3057\u3087\u3046\u3002\uff08\u6c17\u306b\u3059\u308b\u30ec\u30d9\u30eb\u3067\u306f\u306a\u3044\u3068\u601d\u3044\u307e\u3059\uff09<br \/>\n\u307e\u3041\u3069\u3061\u3089\u306b\u305b\u3088\u65e9\u3081\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3059\u308b\u306e\u304c\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<h4>\u305d\u306e\u307b\u304b\u306e\u5909\u66f4\u306b\u3064\u3044\u3066<\/h4>\n<p>\u4eca\u56de\u306f\u3053\u306e\u8106\u5f31\u6027\u4ee5\u5916\u306b\u3082\u3044\u304f\u3064\u304b\u4fee\u6b63\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h5>4.1.9\/5.2.1\u5171\u901a\u306e\u5909\u66f4<\/h5>\n<h5>\u30d0\u30b0\u4fee\u6b63<\/h5>\n<p>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u7a7a\u3063\u307d\u306e\u5834\u5408\u306bidle_timeout\u304c\u6b63\u3057\u304f\u4f7f\u7528\u3055\u308c\u306a\u304b\u3063\u305f\u306e\u3092\u4fee\u6b63(#2492)<\/p>\n<h5>4.1.9\u306e\u307f\u306e\u5909\u66f4<\/h5>\n<p>\u57fa\u672c\u7684\u306b5.2.0\u306b\u3042\u308b\u3082\u306e\u306ebackport\u306b\u306a\u308a\u307e\u3059<\/p>\n<h5>\u65b0\u6a5f\u80fd<\/h5>\n<p><strong>bereq.is_bgfetch\u306e\u8ffd\u52a0<\/strong><br \/>\n<strong>req.ttl\u306e\u8a55\u4fa1\u5909\u66f4(#2422)<\/strong><\/p>\n<h5>\u30d0\u30b0\u4fee\u6b63<\/h5>\n<p><strong>\u3044\u304f\u3064\u304b\u306e\u30ab\u30a6\u30f3\u30bf\u306e\u4fee\u6b63<\/strong><\/p>\n<div class='wp_social_bookmarking_light'>        <div class=\"wsbl_hatena\"><a href='\/\/b.hatena.ne.jp\/add?mode=confirm&url=https%3A%2F%2Fblog.xcir.net%2F%3Fp%3D2686&title=Varnish4.1.9%2F5.2.1%E3%81%8C%E5%85%AC%E9%96%8B%E3%81%95%E3%82%8C%E3%81%BE%E3%81%97%E3%81%9F' title='\u3053\u306e\u30a8\u30f3\u30c8\u30ea\u30fc\u3092\u306f\u3066\u306a\u30d6\u30c3\u30af\u30de\u30fc\u30af\u306b\u8ffd\u52a0' rel=nofollow class='wp_social_bookmarking_light_a' target=_blank><img src='https:\/\/blog.xcir.net\/wp-content\/plugins\/wp-social-bookmarking-light\/public\/images\/hatena.gif' alt='\u3053\u306e\u30a8\u30f3\u30c8\u30ea\u30fc\u3092\u306f\u3066\u306a\u30d6\u30c3\u30af\u30de\u30fc\u30af\u306b\u8ffd\u52a0' 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class='excerpt-more'>[&#8230;]<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[5,83,84,32],"class_list":["post-2686","post","type-post","status-publish","format-standard","hentry","category-3","tag-varnish","tag-varnish4-1-9","tag-varnish5-2-1","tag-32","category-3-id","post-seq-1","post-parity-odd","meta-position-corners","fix"],"_links":{"self":[{"href":"https:\/\/blog.xcir.net\/index.php?rest_route=\/wp\/v2\/posts\/2686","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.xcir.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.xcir.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.xcir.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.xcir.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2686"}],"version-history":[{"count":8,"href":"https:\/\/blog.xcir.net\/index.php?rest_route=\/wp\/v2\/posts\/2686\/revisions"}],"predecessor-version":[{"id":2694,"href":"https:\/\/blog.xcir.net\/index.php?rest_route=\/wp\/v2\/posts\/2686\/revisions\/2694"}],"wp:attachment":[{"href":"https:\/\/blog.xcir.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2686"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.xcir.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2686"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.xcir.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2686"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}