{"id":319,"date":"2014-02-12T00:42:24","date_gmt":"2014-02-11T15:42:24","guid":{"rendered":"http:\/\/tech.akat.info\/?p=319"},"modified":"2014-09-16T01:13:45","modified_gmt":"2014-09-15T16:13:45","slug":"backlog","status":"publish","type":"post","link":"https:\/\/tech.akat.info\/?p=319","title":{"rendered":"backlog"},"content":{"rendered":"<p>TCP\u306e3Way\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\uff08\u5373\u3061\u3001SYN,SYN\/SCK,ACK\uff09\u306e\u72b6\u614b\u4fdd\u6301\u3092\u3059\u308b\u305f\u3081\u306e\u8a2d\u5b9a\u304c\u5b58\u5728\u3059\u308b<\/p>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\r\nroot@akat:\/home\/akat# sysctl -a | grep tcp_max_syn_backlog\r\nnet.ipv4.tcp_max_syn_backlog = 512\r\n<\/pre>\n<p>\u3053\u306e\u8a2d\u5b9a\u306f\u3001SYN\u3092\u53d7\u4fe1\u3057\u3001SYN\/ACK\u3067\u5fdc\u7b54\u3057\u305f\u72b6\u614b\u3092\u3044\u304f\u3064\u4fdd\u6301\u3059\u308b\u304b\u3092\u610f\u5473\u3057\u3066\u304a\u308a\u95be\u5024\u3092\u8d85\u3048\u308b\u3068\u3001\u65b0\u3057\u3044SYN\u30d1\u30b1\u30c3\u30c8\u3092\u7834\u68c4\u3059\u308b<br \/>\n\u305f\u3060\u3057syncookies \u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u305d\u308c\u3067\u3082\u30d1\u30b1\u30c3\u30c8\u3078\u306e\u8fd4\u4fe1\u304c\u884c\u308f\u308c\u3001\u3053\u306e\u5024\u306f\u7121\u8996\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308b<\/p>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\r\nroot@akat:\/home\/akat# sysctl -a | grep syncookies\r\nnet.ipv4.tcp_syncookies = 1\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>TCP\u306e3Way\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\uff08\u5373\u3061\u3001SYN,SYN\/SCK,ACK\uff09\u306e\u72b6\u614b\u4fdd\u6301\u3092\u3059\u308b\u305f\u3081\u306e\u8a2d\u5b9a\u304c\u5b58\u5728\u3059\u308b root@akat:\/home\/akat# sysctl -a | grep tcp_max_syn_backl [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[2],"tags":[],"_links":{"self":[{"href":"https:\/\/tech.akat.info\/index.php?rest_route=\/wp\/v2\/posts\/319"}],"collection":[{"href":"https:\/\/tech.akat.info\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tech.akat.info\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tech.akat.info\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tech.akat.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=319"}],"version-history":[{"count":1,"href":"https:\/\/tech.akat.info\/index.php?rest_route=\/wp\/v2\/posts\/319\/revisions"}],"predecessor-version":[{"id":320,"href":"https:\/\/tech.akat.info\/index.php?rest_route=\/wp\/v2\/posts\/319\/revisions\/320"}],"wp:attachment":[{"href":"https:\/\/tech.akat.info\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=319"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tech.akat.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=319"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tech.akat.info\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=319"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}