{"id":8979,"date":"2013-12-17T11:00:47","date_gmt":"2013-12-17T02:00:47","guid":{"rendered":"http:\/\/labs.gree.jp\/blog\/?p=8979"},"modified":"2021-04-27T15:04:10","modified_gmt":"2021-04-27T06:04:10","slug":"post8979","status":"publish","type":"post","link":"https:\/\/labs.gree.jp\/blog\/2013\/12\/8979\/","title":{"rendered":"Varnish\u306e\u30ed\u30b0\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u307f\u3088\u3046\uff01"},"content":{"rendered":"

\u3053\u3093\u306b\u3061\u306f\u3001Service Reliability\u30c1\u30fc\u30e0\u306e\u3044\u308f\u306a\u3061\u3083\u3093(@xcir<\/a>)\u3067\u3059\u3002\u30c1\u30fc\u30e0\u540d\u304c\u8aad\u307f\u3065\u3089\u3044\u306e\u3067SR\u3084S\u30ec\u30a2\u3068\u547c\u3070\u308c\u305f\u308a\u3082\u3057\u3066\u3044\u307e\u3059\u3002\u30ec\u30a2\u30ea\u30c6\u30a3\u304c\u4e0a\u304c\u308b\u3088\u3046\u306b\u9811\u5f35\u3063\u3066\u884c\u304d\u305f\u3044\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u524d\u56de\u306f\u300cVarnish\u3067\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u3092\u66f8\u3053\u3046\uff01<\/a>\u300d\u3068\u3044\u3046\u8a18\u4e8b\u3092\u66f8\u3044\u305f\u306e\u3067\u3001\u4eca\u56de\u306fGREE Advent calendar 2013\u306e17\u65e5\u76ee\u3082\u517c\u306d\u3066Varnish Cache(\u4ee5\u4e0bVarnish)\u306e\u30ed\u30b0\u3092\u8aad\u3093\u3060\u308a\u52a0\u5de5\u3057\u3066\u307f\u305f\u308a\u3057\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u307e\u305f\u3001\u4f7f\u7528\u3057\u305fVersion\u306f3.0.3\u3067\u3059\u3002<\/p>\n

Varnish\u306e\u30ed\u30b0\u306e\u3057\u304f\u307f<\/h2>\n

Proxy\u3067\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u3092\u53d6\u5f97\u3057\u305f\u3044\u3068\u3044\u3046\u306e\u306f\u3088\u304f\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u3002\u901a\u5e38\u306e\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u3067\u306f\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3067\u51fa\u529b\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u6c7a\u3081\u305f\u308a\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001Varnish\u672c\u4f53(varnishd)\u306e\u8a2d\u5b9a\u3067\u306f\u305d\u306e\u3088\u3046\u306a\u9805\u76ee\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n

\u3067\u306f\u3001Varnish\u306f\u30ed\u30b0\u3092\u51fa\u3057\u3066\u3044\u306a\u3044\u306e\u304b\uff1f\u3068\u3044\u3046\u3068\u305d\u3046\u3067\u306f\u306a\u304f\u3001\u5171\u6709\u30e1\u30e2\u30ea(Varnish Shared memory Log \u4ee5\u4e0bVSL)\u4e0a\u306b\u30ed\u30b0\u3092\u51fa\u529b\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u3057\u3066varnishncsa\u306a\u3069\u306e\u30b3\u30de\u30f3\u30c9\u3067VSL\u3092\u8aad\u307f\u8fbc\u3093\u3067\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u8fbc\u3093\u3060\u308a\u6a19\u6e96\u51fa\u529b\u3057\u305f\u308a\u3057\u307e\u3059\u3002<\/p>\n

<\/\"vsl-mw-varnish\"<\/a><\/p>\n

\u3067\u306f\u306a\u305c\u3053\u306e\u3088\u3046\u306a\u4ed5\u7d44\u307f\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f\u4e00\u756a\u306e\u7406\u7531\u306f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3067\u3059\u3002
\n\u4f8b\u3048\u3070Apache\u306e\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u306f\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u305f\u3073\u306b\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u8fbc\u307f\u3092\u884c\u3046\u305f\u3081\u3001\u9ad8\u30ea\u30af\u30a8\u30b9\u30c8\u304b\u3064i\/o\u306b\u4f59\u88d5\u304c\u306a\u3044\u5834\u5408\u306f\u3001\u305d\u3053\u304c\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306b\u306a\u3063\u305f\u308a\u3057\u307e\u3059\u3002(BufferedLogs\u3092\u6709\u52b9\u306b\u3059\u308b\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u4e0a\u304c\u3063\u305f\u308a\u3057\u307e\u3059\u3088\u306d\uff09
\nVarnish\u306e\u5834\u5408\u306f\u305d\u306e\u3088\u3046\u306a\u64cd\u4f5c\u3092\u3057\u306a\u3044\u305f\u3081\u30ed\u30b0\u51fa\u529b\u304c\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306b\u306a\u308a\u307e\u305b\u3093\u3002\u305d\u3057\u3066Varnish\u304cVSL\u306b\u5410\u304d\u51fa\u3059\u30ed\u30b0\u306f\u975e\u5e38\u306b\u591a\u304f\u306e\u60c5\u5831\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u30ea\u30af\u30a8\u30b9\u30c8\u30fb\u30ec\u30b9\u30dd\u30f3\u30b9\u30d8\u30c3\u30c0\u306a\u3069\u306f\u3082\u3061\u308d\u3093\u306e\u4e8b\u3001\u3069\u306e\u3088\u3046\u306aAction(vcl_miss\u306a\u3069)\u3092\u901a\u904e\u3057\u305f\u304b\u306a\u3069\u3082\u308f\u304b\u308a\u307e\u3059\u3002
\n\u307e\u305f\u3001\u30aa\u30d7\u30b7\u30e7\u30f3(vcl_trace)\u3092\u6709\u52b9\u306b\u3057\u305f\u5834\u5408\u3001\u3069\u306e\u5206\u5c90(if\u6587)\u3092\u901a\u904e\u3057\u305f\u304b\u306a\u3069\u3082\u4fdd\u5b58\u3055\u308c\u307e\u3059\u3002\u305d\u3057\u3066\u81a8\u5927\u306a\u30ed\u30b0\u3092\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u640d\u306a\u308f\u305a\u306b\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u306e\u5f62(varnishncsa)\u3084\u30ec\u30b9\u30dd\u30f3\u30b9\u30bf\u30a4\u30e0\u3068\u30d2\u30c3\u30c8\u7387\u306e\u30d2\u30b9\u30c8\u30b0\u30e9\u30e0(varnishhist)\u3067\u6574\u5f62\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u3059\u3002\u3082\u3061\u308d\u3093\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3082\u3067\u304d\u308b\u306e\u3067\u3001\u305f\u3068\u3048\u3070404\u3060\u3051\u3092\u629c\u304d\u51fa\u3059\u3053\u3068\u3082\u975e\u5e38\u306b\u7c21\u5358\u306b\u884c\u3048\u307e\u3059\u3002<\/p>\n

\u751f\u30ed\u30b0\u3092\u8aad\u3093\u3067\u307f\u3088\u3046(varnishlog)<\/h2>\n

VSL\u3067\u51fa\u529b\u3055\u308c\u3066\u3044\u308b\u5168\u60c5\u5831\u3092\u898b\u308b\u969b\u306b\u4fbf\u5229\u306a\u306e\u304cvarnishlog\u3067\u3059\u3002
\n\u4ee5\u4e0b\u306fwget\u3067\u53e9\u3044\u3066\u307f\u305f\u6642\u306e\u30ed\u30b0\u3067\u3059<\/p>\n

\n   13 BackendOpen  b default 127.0.0.1 44138 127.0.0.1 81\n   13 TxRequest    b GET\n   13 TxURL        b \/\n   13 TxProtocol   b HTTP\/1.1\n   13 TxHeader     b User-Agent: Wget\/1.12 (linux-gnu)\n   13 TxHeader     b Accept: *\/*\n   13 TxHeader     b Host: 127.0.0.1\n   13 TxHeader     b X-Varnish: 411435415\n   13 RxProtocol   b HTTP\/1.1\n   13 RxStatus     b 200\n   13 RxResponse   b OK\n   13 RxHeader     b Date: Thu, 28 Nov 2013 10:06:07 GMT\n   13 RxHeader     b Server: Apache\/2.2.16 (Debian)\n   13 RxHeader     b Vary: Accept-Encoding\n   13 RxHeader     b Content-Length: 1673\n   13 RxHeader     b Content-Type: text\/html;charset=UTF-8\n   13 Fetch_Body   b 4(length) cls 0 mklen 1\n   13 Length       b 510\n   13 BackendReuse b default\n   11 SessionOpen  c 127.0.0.1 38026 :80\n   11 ReqStart     c 127.0.0.1 38026 411435415\n   11 RxRequest    c GET\n   11 RxURL        c \/\n   11 RxProtocol   c HTTP\/1.0\n   11 RxHeader     c User-Agent: Wget\/1.12 (linux-gnu)\n   11 RxHeader     c Accept: *\/*\n   11 RxHeader     c Host: 127.0.0.1\n   11 RxHeader     c Connection: Keep-Alive\n   11 VCL_call     c recv lookup\n   11 VCL_call     c hash\n   11 Hash         c \/\n   11 Hash         c 127.0.0.1\n   11 VCL_return   c hash\n   11 VCL_call     c miss fetch\n   11 Backend      c 13 default default\n   11 TTL          c 411435415 RFC 120 -1 -1 1385633167 0 1385633167 0 0\n   11 VCL_call     c fetch deliver\n   11 ObjProtocol  c HTTP\/1.1\n   11 ObjResponse  c OK\n   11 ObjHeader    c Date: Thu, 28 Nov 2013 10:06:07 GMT\n   11 ObjHeader    c Server: Apache\/2.2.16 (Debian)\n   11 ObjHeader    c Vary: Accept-Encoding\n   11 ObjHeader    c Content-Type: text\/html;charset=UTF-8\n   11 ObjHeader    c Content-Encoding: gzip\n   11 Gzip         c G F - 1673 510 80 80 4016\n   11 VCL_call     c deliver deliver\n   11 TxProtocol   c HTTP\/1.1\n   11 TxStatus     c 200\n   11 TxResponse   c OK\n   11 TxHeader     c Server: Apache\/2.2.16 (Debian)\n   11 TxHeader     c Vary: Accept-Encoding\n   11 TxHeader     c Content-Type: text\/html;charset=UTF-8\n   11 TxHeader     c Date: Thu, 28 Nov 2013 10:06:07 GMT\n   11 TxHeader     c X-Varnish: 411435415\n   11 TxHeader     c Age: 0\n   11 TxHeader     c Via: 1.1 varnish\n   11 TxHeader     c Connection: close\n   11 Gzip         c U D - 510 1673 80 80 4016\n   11 Length       c 1673\n   11 ReqEnd       c 411435415 1385633167.362369776 1385633167.364767551 0.000104427 0.002285004 0.000112772\n   11 SessionClose c EOF mode<\/pre>\n
\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30d8\u30c3\u30c0\u3084\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u30d8\u30c3\u30c0\u306a\u3069\u304c\u898b\u3048\u305f\u308a\u3057\u307e\u3059\u304c\u3069\u306e\u3088\u3046\u306b\u8aad\u3081\u3070\u3044\u3044\u306e\u304b\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n
\n   11 TxStatus     c 200<\/pre>\n\n\n\n
\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u756a\u53f7<\/td>\n\u30bf\u30b0<\/td>\n\u30c7\u30fc\u30bf\u306e\u6d41\u308c<\/td>\n\u30c7\u30fc\u30bf<\/td>\n<\/tr>\n
11<\/td>\nTxStatus<\/td>\nc<\/td>\n200<\/td>\n<\/tr>\n<\/table>\n
\u30ed\u30b0\u306f4\u3064\u306e\u90e8\u5206\u306b\u5206\u304b\u308c\u3066\u3044\u307e\u3059\u3002
\n\u305d\u308c\u305e\u308c\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n
\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u756a\u53f7<\/strong>
\n\u756a\u53f7\u304c\u540c\u4e00\u306e\u5834\u5408\u306f\u540c\u4e00\u306eHTTP\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002\u3042\u304f\u307e\u3067\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30b0\u30eb\u30fc\u30d7\u3067\u306f\u306a\u304f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u30b0\u30eb\u30fc\u30d7\u306a\u306e\u3067Client<->Varnish\u3068Varnish<->Backend\u3067\u306f\u540c\u3058\u30ea\u30af\u30a8\u30b9\u30c8\u3067\u3082\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u9055\u3044\u307e\u3059\u3002<\/p>\n
\u30bf\u30b0<\/strong>
\n\u3053\u306e\u30c7\u30fc\u30bf\u304c\u3069\u306e\u3088\u3046\u306a\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306a\u306e\u304b\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070ReqStart\u306f\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u958b\u59cb\u3092\u610f\u5473\u3057\u307e\u3059\u3002
\n\u307e\u305fPrefix\u306bRx\u30fbTx\u304c\u4ed8\u304f\u3082\u306e\u306b\u306f\u305d\u308c\u305e\u308c\u610f\u5473\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
Rx<\/td>\nVarnish\u304c\u53d7\u3051\u53d6\u3063\u305f\u30c7\u30fc\u30bf<\/td>\n<\/tr>\n
Tx<\/td>\nVarnish\u304c\u9001\u4fe1\u3057\u305f\u30c7\u30fc\u30bf<\/td>\n<\/tr>\n<\/table>\n
\u30c7\u30fc\u30bf\u306e\u6d41\u308c<\/strong>
\nVarnish\u304c\u3069\u3053\u3068\u30c7\u30fc\u30bf\u306e\u3084\u308a\u3068\u308a\u3092\u3057\u3066\u3044\u308b\u304b\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
c<\/td>\nclient\u306b\u95a2\u3059\u308b\u30c7\u30fc\u30bf<\/td>\n<\/tr>\n
b<\/td>\nbackend\u306b\u95a2\u3059\u308b\u30c7\u30fc\u30bf<\/td>\n<\/tr>\n<\/table>\n
\u30c7\u30fc\u30bf<\/strong>
\n\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u3089\u3092\u56f3\u89e3\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u69d8\u306a\u611f\u3058\u306b\u306a\u308a\u307e\u3059\u3002
\n\"data\"<\/a><\/p>\n
\u3053\u308c\u3089\u3092\u8003\u3048\u3066\u3044\u304f\u3064\u304b\u306e\u30bf\u30b0\u3068\u30c7\u30fc\u30bf\u306e\u6d41\u308c\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u4f55\u3092\u793a\u3057\u3066\u3044\u308b\u304b\u3092\u8868\u306b\u3057\u3066\u307f\u307e\u3057\u305f<\/p>\n\n\n\n\n\n\n\n\n\n\n
\u30c7\u30fc\u30bf\u306e\u6d41\u308c<\/td>\n\u30bf\u30b0<\/td>\n\u610f\u5473<\/td>\n<\/tr>\n
c<\/td>\nBackend<\/td>\n\u4f7f\u7528\u3059\u308b\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3092\u793a\u3059
[backend\u306eTrx] [director\/backend] [backend w\/index]<\/td>\n<\/tr>\n
c<\/td>\nVCL_call<\/td>\n\u3069\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u901a\u904e\u3057\u305f\u304b
[\u901a\u904e\u30a2\u30af\u30b7\u30e7\u30f3\u540d] [(VCL_Return\u304c\u306a\u3044\u5834\u5408)return\u3067\u6307\u5b9a\u3057\u305f\u3082\u306e]<\/td>\n<\/tr>\n
c<\/td>\nVCL_Return<\/td>\nvcl\u4e2d\u3067return(XXXX)\u3057\u305f\u969b\u306eXXXX\u306e\u5185\u5bb9<\/td>\n<\/tr>\n
c<\/td>\nVCL_trace<\/td>\noption\u306evcl_trace\u3092on\u306e\u5834\u5408\u306b\u51fa\u529b\u3002VCL\u306e\u3069\u306e\u884c\u3092\u901a\u904e\u3057\u305f\u304b\u3092\u793a\u3059
[VRT_Count\u756a\u53f7] [\u884c\u6570].[\u884c\u982d\u304b\u3089\u306e\u6587\u5b57\u6570]<\/td>\n<\/tr>\n
c<\/td>\nSessionOpen<\/td>\n\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u958b\u3044\u305f\u3053\u3068\u3092\u793a\u3059
[client\u306eIP] [client\u306e\u30dd\u30fc\u30c8] [LISTEN]<\/td>\n<\/tr>\n
c<\/td>\nReqStart<\/td>\n\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u51e6\u7406\u3092\u958b\u59cb\u3057\u305f\u3053\u3068\u3092\u793a\u3059
[client\u306eIP] [client\u306e\u30dd\u30fc\u30c8] [req.xid]<\/td>\n<\/tr>\n
c<\/td>\nHit<\/td>\n\u30ad\u30e3\u30c3\u30b7\u30e5\u30d2\u30c3\u30c8\u3057\u305f
[\u30d2\u30c3\u30c8\u3057\u305fobject\u306exid]<\/td>\n<\/tr>\n
c<\/td>\nHash<\/td>\nObject\u306e\u30cf\u30c3\u30b7\u30e5\u751f\u6210\u306b\u4f7f\u3063\u305f\u6587\u5b57\u5217
[hash_data\u306e\u5f15\u6570]<\/td>\n<\/tr>\n<\/table>\n
\u307e\u305fVCL\u3067\u306e\u5909\u6570\u3068\u4e00\u7dd2\u306b\u6271\u3048\u308b\u306e\u306f\u4ee5\u4e0b\u3067\u3059<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u30c7\u30fc\u30bf\u306e\u6d41\u308c<\/td>\n\u30bf\u30b0<\/td>\nvcl\u3067\u306e\u5909\u6570<\/td>\n<\/tr>\n
c<\/td>\nObjResponse<\/td>\nobj.response<\/td>\n<\/tr>\n
c<\/td>\nObjProtocol<\/td>\nobj.proto<\/td>\n<\/tr>\n
c<\/td>\nObjHeader<\/td>\nobj.http<\/td>\n<\/tr>\n
c<\/td>\nRxRequest<\/td>\nreq.request<\/td>\n<\/tr>\n
c<\/td>\nRxURL<\/td>\nreq.url<\/td>\n<\/tr>\n
c<\/td>\nRxProtocol<\/td>\nreq.proto<\/td>\n<\/tr>\n
c<\/td>\nRxHeader<\/td>\nreq.http<\/td>\n<\/tr>\n
c<\/td>\nTxResponse<\/td>\nresp.response<\/td>\n<\/tr>\n
c<\/td>\nTxStatus<\/td>\nresp.status<\/td>\n<\/tr>\n
c<\/td>\nTxProtocol<\/td>\nresp.proto<\/td>\n<\/tr>\n
c<\/td>\nTxHeader<\/td>\nresp.http<\/td>\n<\/tr>\n
b<\/td>\nRxResponse<\/td>\nberesp.response<\/td>\n<\/tr>\n
b<\/td>\nRxStatus<\/td>\nberesp.status<\/td>\n<\/tr>\n
b<\/td>\nRxProtocol<\/td>\nberesp.proto<\/td>\n<\/tr>\n
b<\/td>\nRxHeader<\/td>\nberesp.http<\/td>\n<\/tr>\n
b<\/td>\nTxRequest<\/td>\nreq.request<\/td>\n<\/tr>\n
b<\/td>\nTxURL<\/td>\nbereq.url<\/td>\n<\/tr>\n
b<\/td>\nTxProtocol<\/td>\nbereq.proto<\/td>\n<\/tr>\n
b<\/td>\nTxHeader<\/td>\nbereq.http<\/td>\n<\/tr>\n<\/table>\n
\u305d\u3057\u3066\u5148\u7a0b\u306e\u751f\u30ed\u30b0\u304b\u3089vcl_call\u3068VCL_Return\u3092\u30d4\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u3066\u8aad\u3080\u3068<\/p>\n
\nvcl_recv(return:lookup)\n\u3000\u2193\nvcl_hash(return:hash)\n\u3000\u2193\nvcl_miss(return:fetch)\n\u3000\u2193\nvcl_fetch(return:deliver)\n\u3000\u2193\nvcl_deliver(return:deliver)<\/pre>\n
\u3068\u3044\u3046\u7d4c\u8def\u3067\u51e6\u7406\u3055\u308c\u305f\u306e\u304c\u308f\u304b\u308a\u307e\u3059\u3002
\n\u3053\u308c\u307b\u3069\u306e\u60c5\u5831\u304c\u30c7\u30d0\u30c3\u30b0\u30d5\u30e9\u30b0\u3092On\u306b\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u672c\u756a\u3067\u7a3c\u50cd\u3057\u3066\u3044\u308bvarnish\u304b\u3089\u53d6\u5f97\u3067\u304d\u308b\u306e\u306f\u975e\u5e38\u306b\u4fbf\u5229\u3060\u3068\u601d\u3044\u307e\u3059\u3002\u5f0a\u793e\u672c\u756a\u74b0\u5883\u3067\u3082\u30d4\u30fc\u30af\u30bf\u30a4\u30e0\u306b\u7279\u306b\u6c17\u306b\u305b\u305avarnishlog\u3092\u53e9\u3044\u305f\u308a\u3057\u3066\u3044\u307e\u3059\u304c\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n
VSL\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u307f\u3088\u3046<\/h2>\n
\u3055\u3066\u3001varnish\u3067log\u3092\u8aad\u3080\u306b\u306fvarnishlog\u3084varnishhist\u3084varnishncsa\u306a\u3069\u306e\u5225\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3044\u307e\u3059\u3002\u5148\u306b\u66f8\u3044\u305f\u3068\u304a\u308a\u3001\u3053\u308c\u3089\u306fVSL\u304b\u3089\u30ed\u30b0\u3092\u8aad\u307f\u8fbc\u3093\u3067\u52a0\u5de5\u3084\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3066\u51fa\u529b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u30b3\u30de\u30f3\u30c9\u306fAPI\u7d4c\u7531\u3067VSL\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u3053\u3067Python\u3092\u4f7f\u3063\u3066\u7c21\u5358\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3059\u3002
\n\u4eca\u56de\u306f\u62d9\u4f5c\u306eVSL\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308bpython-varnishapi<\/a>\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
\u30b3\u30fc\u30c9<\/strong><\/p>\n
\n# coding: utf-8\n\nimport varnishapi,time\n\ndef main():\n    smp = SampleVarnishLog()\n    smp.execute()\n\nclass SampleVarnishLog:\n    def __init__(self):\n        #VSL\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u6e96\u5099\u3092\u3059\u308b\n        self.vap     = varnishapi.VarnishAPI()\n\n    def execute(self):\n        while 1:\n            #VSL\u306b\u30c7\u30fc\u30bf\u304c\u66f8\u304d\u8fbc\u307e\u308c\u305f\u6642\u306b\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u3059\u308b\u95a2\u6570\u3092\u767b\u9332\u3059\u308b\n            self.vap.VSL_NonBlockingDispatch(self.vapCallBack)\n            time.sleep(0.1)\n\n    #callback\u306e\u95a2\u6570\n    def vapCallBack(self, priv, tag, fd, length, spec, ptr, bm):\n        #\u8aad\u307f\u3084\u3059\u3044\u5f62\u306b\u6574\u5f62\u3059\u308b\n        nml = self.vap.normalizeDic(priv, tag, fd, length, spec, ptr, bm)\n        '''\n            [\u5143\u30c7\u30fc\u30bf]\n            12 ObjHeader    c Cache-Control: max-age=0, no-cache\n            \n            [nml\u3057\u305f\u30c7\u30fc\u30bf]\n            'fd'      : 12,\n            'type'    : 1,\n            'typeName': 'c',\n            'tag'     : 'ObjHeader',\n            'msg'     : 'Cache-Control: max-age=0, no-cache',\n\n            'fd'      : \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u756a\u53f7\n            'type'    : \u30c7\u30fc\u30bf\u306e\u6d41\u308c(int)\n            'typeName': \u30c7\u30fc\u30bf\u306e\u6d41\u308c(string)\n            'tag'     : \u30bf\u30b0\n            'msg'     : \u30c7\u30fc\u30bf\n        '''\n        print \"%5d %-12s %s %s\" % (nml['fd'], nml['tag'], nml['typeName'], nml['msg'])\n\nmain()<\/pre>\n
\u51fa\u529b<\/strong><\/p>\n
\n    0 CLI          - Rd ping\n    0 CLI          - Wr 200 19 PONG 1386260241 1.0\n   11 SessionOpen  c 127.0.0.1 53623 :80\n   11 ReqStart     c 127.0.0.1 53623 1147885118\n   11 RxRequest    c GET\n   11 RxURL        c \/\n   11 RxProtocol   c HTTP\/1.0\n   11 RxHeader     c User-Agent: Wget\/1.12 (linux-gnu)\n   11 RxHeader     c Accept: *\/*\n   11 RxHeader     c Host: 127.0.0.1\n   11 RxHeader     c Connection: Keep-Alive\n   11 VCL_call     c recv\n   11 VCL_return   c lookup\n...\u7701\u7565<\/pre>\n
\u975e\u5e38\u306b\u7c21\u5358\u306bvarnishlog\u3068\u540c\u3058\u51fa\u529b\u304c\u5f97\u3089\u308c\u307e\u3057\u305f\u3002\u3053\u308c\u3092\u4f7f\u3048\u3070\u81ea\u7531\u306a\u8a08\u6e2c\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u601d\u3044\u307e\u3059\u3002
\n\u62d9\u4f5c\u3067\u3059\u304cvarnishlog\u3092\u30c7\u30d0\u30c3\u30b0\u3059\u308b\u969b\u306b\u3069\u3046\u30a2\u30af\u30b7\u30e7\u30f3\u304c\u547c\u3070\u308c\u3066\u3001\u5909\u6570\u304c\u3069\u306e\u3088\u3046\u306a\u72b6\u614b\u304b\u3092\u8abf\u3079\u305f\u304b\u3063\u305f\u305f\u3081
\nvsltrans<\/a>\u3068\u3044\u3046\u30ed\u30b0\u3092\u6574\u5f62\u3059\u308b\u30c4\u30fc\u30eb\u3092\u4f5c\u308a\u307e\u3057\u305f\u3002
\n\"vsltrans\"<\/a>
\n\u3053\u306e\u3088\u3046\u306a\u3082\u306e\u3082\u4f5c\u308c\u307e\u3059\u3057\u3001\u305f\u3068\u3048\u3070\u30c9\u30e1\u30a4\u30f3\u5225\u30fb\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5225\u306e\u30d2\u30c3\u30c8\u7387\u306e\u8a08\u6e2c\u30c4\u30fc\u30eb\u3082\u304a\u624b\u8efd\u306b\u3064\u304f\u308c\u307e\u3059\u3002<\/p>\n
VSL-Query Expressions(\u304a\u307e\u3051)<\/h2>\n
2014Q1\u3067\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u308b\u304b\u3082\uff1f\u3068\u8a00\u308f\u308c\u3066\u3044\u308bVarnish4\u3067\u3059\u304c\u3001\u5148\u65e5technology preview1(\u4ee5\u4e0bTP1)\u304c\u51fa\u307e\u3057\u305f\u306e\u3067\u3001\u5909\u66f4\u70b9\u306e1\u3064\u3067\u3042\u308b\u30ed\u30b0\u95a2\u4fc2\u306e\u8a71\u3092\u3057\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002
\n\u3053\u308c\u306fTP1\u3067\u306e\u8a71\u3067\u6b63\u5f0f\u30ea\u30ea\u30fc\u30b9\u6642\u306b\u306f\u5909\u66f4\u304c\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u306e\u3067\u3054\u6ce8\u610f\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u3001\u73fe\u6642\u70b9\u3067\u672c\u756a\u6295\u5165\u306f\u30aa\u30b9\u30b9\u30e1\u3067\u304d\u307e\u305b\u3093\u3002<\/strong><\/font><\/p>\n
Varnish4\u3067\u306f\u30ed\u30b0\u3092\u53d6\u308b\u4ed5\u7d44\u307f\u81ea\u4f53(VSL\u3092\u901a\u3057\u3066\u5916\u90e8\u30b3\u30de\u30f3\u30c9\u304b\u3089\u8aad\u307f\u53d6\u308b)\u306b\u3064\u3044\u3066\u306f\u5909\u66f4\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001libvarnishapi\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c1.1\u304b\u30891.3\u306b\u4e0a\u304c\u308a\u3001\u30ed\u30b0\u95a2\u4fc2\u306e\u65b0\u6a5f\u80fd\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3057\u305f\u3002
\n\u4e00\u756a\u5927\u304d\u3044\u306e\u306fVSL-Query Expressions\u3068\u3044\u3046\u3082\u306e\u3067\u3001\u7c21\u5358\u306b\u8a00\u3046\u3068\u30ed\u30b0\u306e\u7d5e\u308a\u8fbc\u307f\u306b\u5f0f\u304c\u4f7f\u3048\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u73fe\u5728\u306eversion\u306evarnishlog\u3060\u3051\u3067\u8907\u6570\u306e\u6761\u4ef6\u3067\u7d5e\u308a\u8fbc\u307f\u3092\u884c\u3046\u306e\u306f\u96e3\u3057\u3044\u3067\u3059\u304cVarnish4\u3067\u306f\u975e\u5e38\u306b\u7c21\u5358\u306b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
\n\u4f8b\u3048\u3070\u4ee5\u4e0b\u306fuser-agent\u306biPhone\u3092\u542b\u307fexample.net\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3067\u30df\u30b9\u30d2\u30c3\u30c8\u3057\u305f\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51fa\u529b\u3057\u305f\u4f8b\u3067\u3059\u3002<\/p>\n
\n.\/varnishlog -q \"ReqHeader:Host ~ \\\"^example.net$\\\" and ReqHeader:user-agent ~ \\\"iPhone\\\" and not hit\" -g request\n*   << Request  >> 32779\n-   Begin          req 32778\n-   ReqMethod      GET\n-   ReqURL         \/test.php\n-   ReqProtocol    HTTP\/1.1\n-   ReqHeader      User-Agent: iPhone\n-   ReqHeader      Accept: *\/*\n-   ReqHeader      Host: example.net\n-   ReqHeader      Connection: Keep-Alive\n-   ReqStart       127.0.0.1 35775\n-   VCL_call       RECV\n-   VCL_return     hash\n-   VCL_call       HASH\n-   VCL_return     lookup\n-   Debug          \"XXXX MISS%00\"\n-   VCL_call       MISS\n-   VCL_return     fetch\n-   Link           bereq 32780\n-   VCL_call       DELIVER\n-   VCL_return     deliver\n-   Debug          \"RES_MODE 48%00\"\n-   RespProtocol   HTTP\/1.1\n-   RespStatus     200\n-   RespResponse   OK\n-   RespHeader     Server: Apache\/2.2.22 (Ubuntu)\n-   RespHeader     X-Powered-By: PHP\/5.2.10-2ubuntu6\n-   RespHeader     Vary: Accept-Encoding\n-   RespHeader     Content-Type: text\/html\n-   RespHeader     Date: Thu, 12 Dec 2013 03:58:17 GMT\n-   RespHeader     X-Varnish: 32779\n-   RespHeader     Age: 2\n-   RespHeader     Via: 1.1 varnish\n-   RespHeader     Transfer-Encoding: chunked\n-   RespHeader     Connection: keep-alive\n-   RespHeader     Accept-Ranges: bytes\n-   Gzip           U D - 24 4 80 80 122\n-   Debug          \"XXX REF 2%00\"\n-   Length         0\n-   ReqEnd         1386820695.477391958 1386820695.477348089 -2.001758099 2.001714230 -2.001758099\n-   End\n**  << BeReq    >> 32780\n--  Begin          bereq 32779\n--  Debug          \"MKBEREQ -> STARTFETCH%00\"\n--  VCL_call       BACKEND_FETCH\n--  VCL_return     fetch\n--  Debug          \"STARTFETCH -> FETCHHDR%00\"\n--  Debug          \"XXX BOS: 0 -> 1%00\"\n--  BackendClose   17 default(127.0.0.1,,80) toolate\n--  BackendOpen    17 default(127.0.0.1,,80) 127.0.0.1 38138\n--  Backend        17 default default(127.0.0.1,,80)\n--  BereqMethod    GET\n--  BereqURL       \/test.php\n--  BereqProtocol  HTTP\/1.1\n--  BereqHeader    User-Agent: iPhone\n--  BereqHeader    Accept: *\/*\n--  BereqHeader    Host: example.net\n--  BereqHeader    X-Forwarded-For: 127.0.0.1\n--  BereqHeader    Accept-Encoding: gzip\n--  BereqHeader    X-Varnish: 32780\n--  BerespProtocol HTTP\/1.1\n--  BerespStatus   200\n--  BerespResponse OK\n--  BerespHeader   Date: Thu, 12 Dec 2013 03:58:15 GMT\n--  BerespHeader   Server: Apache\/2.2.22 (Ubuntu)\n--  BerespHeader   X-Powered-By: PHP\/5.2.10-2ubuntu6\n--  BerespHeader   Vary: Accept-Encoding\n--  BerespHeader   Content-Encoding: gzip\n--  BerespHeader   Content-Length: 24\n--  BerespHeader   Content-Type: text\/html\n--  TTL            RFC 20 -1 -1 1386820695 1386820695 1386820695 0 0\n--  VCL_call       BACKEND_RESPONSE\n--  VCL_return     deliver\n--  Debug          \"FETCHHDR -> FETCH%00\"\n--  Storage        malloc s0\n--  ObjProtocol    HTTP\/1.1\n--  ObjResponse    OK\n--  ObjHeader      Date: Thu, 12 Dec 2013 03:58:15 GMT\n--  ObjHeader      Server: Apache\/2.2.22 (Ubuntu)\n--  ObjHeader      X-Powered-By: PHP\/5.2.10-2ubuntu6\n--  ObjHeader      Vary: Accept-Encoding\n--  ObjHeader      Content-Encoding: gzip\n--  ObjHeader      Content-Type: text\/html\n--  Debug          \"XXX BOS: 1 -> 2%00\"\n--  Gzip           u F - 24 4 80 80 122\n--  BackendReuse   17 default(127.0.0.1,,80)\n--  Fetch_Body     3(length)\n--  Length         24\n--  Debug          \"XXX BOS: 2 -> 3%00\"\n--  Debug          \"YYY REF 1 3%00\"\n--  Debug          \"FETCH -> DONE%00\"\n--  BereqEnd       1386820695.477493525 1386820697.479127645 0.000044999 2.001297996 0.000144575 2.001442571\n--  End<\/pre>\n
\u7c21\u5358\u306b\u8907\u6570\u306e\u6761\u4ef6\u3067\u7d5e\u308a\u8fbc\u307f\u304c\u3067\u304d\u307e\u3057\u305f\u3002
\n\u4ed6\u306b\u30821\u79d2\u4ee5\u4e0a\u304b\u304b\u3063\u305f\u30ea\u30af\u30a8\u30b9\u30c8\u3060\u3051\u3001ESI\u306e\u30b5\u30d6\u30ea\u30af\u30a8\u30b9\u30c8\u3067\u304b\u304b\u3063\u305f\u6642\u9593\u3067\u306e\u7d5e\u308a\u8fbc\u307f\u306a\u3069\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u307e\u305f\u3001\u3060\u3044\u3076\u8868\u793a\u304c\u5909\u308f\u3063\u305f\uff1f\u3068\u601d\u308f\u308c\u308b\u4eba\u3082\u3044\u308b\u3068\u601d\u3044\u307e\u3059\u304c\u534a\u5206\u6b63\u89e3\u3067\u3059\u3002
\n\u30ed\u30b0\u306e\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u4ee5\u4e0b\u306e4\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
Session<\/h4>\n
\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u63a5\u7d9a\u306eOpen\uff5eClose\u307e\u3067\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u305f\u3082\u306e\u3067\u3059<\/p>\n
\n*   << Session  >> 65556\n-   Begin          sess\n-   SessOpen       127.0.0.1 35807 :6081 127.0.0.1 6081 1386823033.279824 14\n-   Link           req 65557\n...\n**  << Request  >> 65557\n--  Begin          req 65556\n--  ReqMethod      GET\n...\n--  Link           bereq 65558\n...\n*** << BeReq    >> 65558\n--- Begin          bereq 65557\n--- Debug          \"MKBEREQ -> STARTFETCH%00\"<\/pre>\n
\u30ed\u30b0\u306eprefix\u306e* ** ***\u3067\u3059\u304c\u30cd\u30b9\u30c8\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u8868\u73fe\u3057\u3066\u3044\u307e\u3059\u3002
\n\u4e0a\u8a18\u30ed\u30b0\u306e\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n
\n(Lv1)*Session\n(Lv2)**Request\n(Lv3)***BeReq<\/pre>\n
\u307e\u305f\u3001\u6ce8\u76ee\u3059\u3079\u304d\u30bf\u30b0\u306bLink\u3068Begin\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u30ea\u30af\u30a8\u30b9\u30c8\u51e6\u7406\u4e2d\u306e\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3092\u547c\u3073\u51fa\u3057\u305f\u5834\u5408\u306fLink bereq XXXX\u3068\u306a\u308a\u3001\u305d\u308c\u306b\u5bfe\u5fdc\u3059\u308bBegin bereq XXXX\u304c\u3042\u308a\u307e\u3059\u3002\u975e\u5e38\u306b\u308f\u304b\u308a\u3084\u3059\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3061\u306a\u307f\u306bkeep-alive\u3067\u3084\u308a\u3068\u308a\u3057\u305f\u5834\u5408\u306f<\/p>\n
\n*   << Session  >> 32784\n-   Begin          sess\n-   SessOpen       127.0.0.1 35849 :6081 127.0.0.1 6081 1386824710.887271 15\n-   Link           req 32785\n-   Link           req 32787\n-   Link           req 32789\n-   SessClose      TX_EOF 0.002 3 0 3 3 1015 531\n-   End<\/pre>\n
\u3068\u540c\u4e00Session\u30673\u56de\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3057\u305f\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
Request<\/h4>\n
\u4e0a\u306eSession\u3067\u306e\u3084\u308a\u3068\u308a\u3092\u9664\u3044\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n
VXID<\/h4>\n
Session\u30fbRequest\u306f\u30cd\u30b9\u30c8\u306e\u60c5\u5831(* **...)\u304c\u4ed8\u4e0e\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u305d\u306e\u60c5\u5831\u304c\u629c\u3051\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n
\n*   << BeReq    >> 65558\n-   Begin          bereq 65557\n-   Debug          \"MKBEREQ -> STARTFETCH%00\"\n...\n*   << Request  >> 65557\n-   Begin          req 65556\n-   ReqMethod      GET\n...\n-   Link           bereq 65558\n...\n*   << Session  >> 65556\n-   Begin          sess\n-   SessOpen       127.0.0.1 35807 :6081 127.0.0.1 6081 1386823033.279824 14\n-   Link           req 65557<\/pre>\n
\u7d42\u4e86\u3057\u305f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304b\u3089\u8868\u793a\u3059\u308b\u306e\u3067\u3001\u6df1\u3044\u3068\u3053\u304b\u3089\u8868\u793a\u3055\u308c\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n
Raw<\/h4>\n
\n     32796 Begin          c sess\n     32796 SessOpen       c 127.0.0.1 35858 :6081 127.0.0.1 6081 1386825120.108944 15\n     32796 Link           c req 32797\n     32798 Begin          b bereq 32797\n     32798 Debug          b \"MKBEREQ -> STARTFETCH%00\"\n     32798 VCL_call       b BACKEND_FETCH\n     32798 VCL_return     b fetch\n     32798 Debug          b \"STARTFETCH -> FETCHHDR%00\"\n     32798 BackendOpen    b 17 default(127.0.0.1,,80) 127.0.0.1 38221\n     32798 Backend        b 17 default default(127.0.0.1,,80)\n     32798 BereqMethod    b GET\n     32798 BereqURL       b \/index.html\n     32798 BereqProtocol  b HTTP\/1.0<\/pre>\n
Varnish3\u307e\u3067\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3068\u540c\u3058\u3067\u3059\u3002\u30bf\u30b0\u3082\u5909\u308f\u3063\u3066\u3044\u307e\u3059\u304c\u3060\u3044\u3076\u308f\u304b\u308a\u3084\u3059\u304f\u306a\u3063\u305f\u3068\u601d\u3044\u307e\u3059\u3002
\n\u4ed6\u306b\u3082Varnish4\u3067\u306f\u30ed\u30b0\u306e\u5909\u66f4\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u30a8\u30c3\u30bb\u30f3\u30b9\u3068\u3044\u3046\u3053\u3068\u3067\u3053\u308c\u3050\u3089\u3044\u306b\u3068\u3069\u3081\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n
\u307e\u3068\u3081<\/h2>\n
\u4ee5\u4e0a\u304cvarnish\u306e\u30ed\u30b0\u306e\u8aad\u307f\u65b9\u30fb\u30a2\u30af\u30bb\u30b9\u306e\u4ed5\u65b9\u3068\u304a\u307e\u3051\u3067\u3057\u305f\u3002Varnish\u3092\u4f7f\u3046\u5834\u5408VSL\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u3067\u3088\u308a\u9ad8\u5ea6\u306a\u8a08\u6e2c\u304c\u3067\u304d\u308b\u3068\u601d\u3044\u307e\u3059\u306e\u3067\u307f\u306a\u3055\u3093\u3082\u305c\u3072\u30c1\u30e3\u30ec\u30f3\u30b8\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002
\n\u3042\u3068\u672c\u65e512\/17\u306f\u79c1\u306e\u8a95\u751f\u65e5\u3060\u3063\u305f\u308a\u3057\u307e\u3059\uff01\u30d7\u30ec\u30bc\u30f3\u30c8\u304a\u5f85\u3061\u3057\u3066\u304a\u308a\u307e\u3059\uff01<\/a><\/p>\n
\u6b21\u306fScala\u3068DDD\u306e\u304b\u3068\u3058\u3085\u3093\u3067\u3059\uff01<\/p>\n
\u53c2\u8003\u8cc7\u6599<\/h3>\n
trac(Varnish\u516c\u5f0f)<\/a>
\nLost in Translation:varnishlog, varnishtest(VUG7)<\/a>
\nVarnish VSL Query Expressions<\/a>
\nVUG8 Outro & Varnish 4 Release Parties! #v4rp<\/a>
\nVarnish 4.0.0 technology preview 1 released<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
\u3053\u3093\u306b\u3061\u306f\u3001Service Reliability\u30c1\u30fc\u30e0\u306e\u3044\u308f\u306a\u3061\u3083\u3093(@xcir)\u3067\u3059\u3002\u30c1\u30fc\u30e0\u540d\u304c\u8aad\u307f\u3065\u3089\u3044\u306e\u3067SR\u3084S\u30ec\u30a2\u3068\u547c\u3070\u308c\u305f\u308a\u3082\u3057\u3066\u3044\u307e\u3059\u3002\u30ec\u30a2\u30ea\u30c6\u30a3\u304c\u4e0a\u304c\u308b\u3088\u3046\u306b\u9811\u5f35\u3063\u3066\u884c\u304d\u305f\u3044\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002 \u524d\u56de\u306f\u300cV […]<\/p>\n","protected":false},"author":136,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[9],"tags":[54,52],"class_list":["post-8979","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-info","tag-advent-calendar","tag-varnish-cache"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/posts\/8979","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\/136"}],"replies":[{"embeddable":true,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/comments?post=8979"}],"version-history":[{"count":3,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/posts\/8979\/revisions"}],"predecessor-version":[{"id":21179,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/posts\/8979\/revisions\/21179"}],"wp:attachment":[{"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/media?parent=8979"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/categories?post=8979"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/labs.gree.jp\/blog\/wp-json\/wp\/v2\/tags?post=8979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}