{"id":56979,"date":"2018-01-26T10:00:10","date_gmt":"2018-01-26T01:00:10","guid":{"rendered":"https:\/\/codeiq.jp\/magazine\/?p=56979"},"modified":"2018-08-06T14:12:28","modified_gmt":"2018-08-06T05:12:28","slug":"20180126_c21_iq","status":"publish","type":"post","link":"https:\/\/next.rikunabi.com\/journal\/20180126_c21_iq\/","title":{"rendered":"\u300c\u5730\u5473\u3060\u3051\u3069\u3001\u9762\u767d\u3044\uff01\u300d\u2015LINE\u30fbNTT\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u8a9e\u308b\u3001\u65e5\u672c\u3092\u652f\u3048\u308b\u5927\u898f\u6a21JVM\u904b\u7528\u306e\u821e\u53f0\u88cf"},"content":{"rendered":"<p>\u65e5\u672c\u306e\u30a4\u30f3\u30d5\u30e9\u3092\u652f\u3048\u308b\u300cNTT\u300d\u306eJava\u6280\u8853\u30b5\u30dd\u30fc\u30c8\u3092\u4e00\u624b\u306b\u62c5\u3046JVM\u30a8\u30f3\u30b8\u30cb\u30a2\u3001\u4e45\u4fdd\u7530\u7950\u53f2\u6c0f\u3002\u30a4\u30f3\u30d5\u30e9\u306b\u5339\u6575\u3059\u308b\u5927\u898f\u6a21\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u30a2\u30d7\u30ea\u300cLINE\u300d\u306eHBase\u30a8\u30f3\u30b8\u30cb\u30a2\u3001\u9db4\u539f\u7fd4\u5922\u6c0f\u3002\u5927\u898f\u6a21JVM\u3092\u652f\u3048\u308b\u30b9\u30da\u30b7\u30e3\u30ea\u30b9\u30c8\u304a\u4e8c\u4eba\u306b\u3001\u958b\u767a\u30fb\u904b\u7528\u306e\u88cf\u8a71\u3092\u305f\u3063\u3077\u308a\u3068\u4f3a\u3063\u3066\u304d\u307e\u3057\u305f\uff01<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_00.jpg\" alt=\"\" width=\"640\" height=\"480\" class=\"alignnone size-full wp-image-60966\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_00.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_00-300x225.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<h2>\u5927\u898f\u6a21\u306aJVM\u904b\u7528\u306e\u5171\u901a\u70b9<\/h2>\n<p style=\"color: #60aa2a;\">\u2015\u2015\u304a\u4e92\u3044\u9593\u63a5\u7684\u306b\u3054\u5b58\u77e5\u3060\u3063\u305f\u305d\u3046\u3067\u3059\u304c\u3001\u521d\u5bfe\u9762\u3068\u3044\u3046\u3053\u3068\u3067\u307e\u305a\u306f\u81ea\u5df1\u7d39\u4ecb\u304b\u3089\u304a\u9858\u3044\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u9db4\u539f\uff08LINE\uff09<\/strong>\uff1a\u79c1\u306fLINE\u30a2\u30d7\u30ea\u306e\u30e1\u30c3\u30bb\u30f3\u30b8\u30e3\u30fc\u6a5f\u80fd\u306e\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306e\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b5\u30fc\u30d0\u306e\u958b\u767a\u3092\u3057\u3066\u3044\u307e\u3059\u3002LINE\u306e\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u306fJava\u3067\u66f8\u304b\u308c\u3066\u3044\u3066\u3001\u591a\u304f\u306e\u90e8\u5206\u3067HBase\uff08\u203b\uff09\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u79c1\u306fHBase\u306e\u904b\u7528\u3084\u3001HBase\u5468\u308a\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u62c5\u5f53\u3067\u3059\u3002<\/p>\n<blockquote>\n<p><span style=\"font-size: 80%;\">\u203bHBase\u2026Apache HBase\u3002JVM\u4e0a\u3067\u52d5\u4f5c\u3059\u308bNoSQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3002<\/span><\/p>\n<\/blockquote>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_1.jpg\" alt=\"\" width=\"640\" height=\"429\" class=\"alignnone size-full wp-image-60967\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_1.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_1-300x201.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><span style=\"font-size: 80%;\">\u25b2<strong>LINE\u682a\u5f0f\u4f1a\u793e \u958b\u767a1\u5ba4 \u9db4\u539f \u7fd4\u5922\u6c0f<\/strong><\/span><\/p>\n<p><strong>\u4e45\u4fdd\u7530\uff08NTT\uff09<\/strong>\uff1a\u79c1\u306fNTT\u30b0\u30eb\u30fc\u30d7\u4f1a\u793e\u5411\u3051\u306bOSS\u88fd\u54c1\u306e\u6280\u8853\u30b5\u30dd\u30fc\u30c8\u3092\u3059\u308b\u300cOSS\u30bb\u30f3\u30bf\u300d\u3068\u3044\u3046\u7d44\u7e54\u3067\u3001OpenJDK\u3001JVM\u3001Java\u4e2d\u5fc3\u306b\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u90e8\u968a\u306e\u30b5\u30dd\u30fc\u30c8\u30ea\u30fc\u30c0\u30fc\u3092\u52d9\u3081\u3066\u3044\u307e\u3059\u3002\u904b\u7528\u81ea\u4f53\u306f\u3057\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u56f0\u308a\u3054\u3068\u3092\u89e3\u6c7a\u3057\u305f\u308a\u3001\u73fe\u5730\u306b\u884c\u3063\u3066\u89e3\u6790\u3057\u305f\u308a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3092\u3057\u305f\u308a\u3068\u3002<\/p>\n<p>\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u305f\u3081\u306e\u60c5\u5831\u53ce\u96c6\u3092\u884c\u3046\u300cHeapStats\u300d\u3068\u3044\u3046OSS\u306eJVM\u89e3\u6790\u652f\u63f4\u30c4\u30fc\u30eb\u306e\u958b\u767a\u306b\u3082\u643a\u308f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_2.jpg\" alt=\"\" width=\"640\" height=\"421\" class=\"alignnone size-full wp-image-60969\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_2.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_2-300x197.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><span style=\"font-size: 80%;\">\u25b2<strong>\u65e5\u672c\u96fb\u4fe1\u96fb\u8a71\u682a\u5f0f\u4f1a\u793e OSS\u30bb\u30f3\u30bf \u4e45\u4fdd\u7530 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Collection\uff09\u5468\u308a\u306e\u76f8\u8ac7\u304c\u307b\u3068\u3093\u3069<\/strong>\u3067\u3059\u3002GC\u306f\u521d\u6b69\u7684\u306a\u90e8\u5206\u304c\u308f\u304b\u3089\u306a\u3044\u3068\u3001\u4f55\u3092\u3057\u305f\u3089\u3044\u3044\u304b\u5168\u7136\u308f\u304b\u3089\u306a\u3044\u3068\u3053\u308d\u306a\u3093\u3067\u3059\u3088\u306d\u3002<\/p>\n<p><strong>\u9db4\u539f<\/strong>\uff1aHBase\u3067\u3082GC\u5468\u308a\u306e\u30c8\u30e9\u30d6\u30eb\u306f\u591a\u3044\u3067\u3059\u3002<strong>HBase\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306a\u306e\u3067\u3001\u305d\u3053\u3067Stop The World\u304c\u8d77\u304d\u3066\u3057\u307e\u3046\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u6027\u80fd\u306b\u5927\u304d\u304f\u5f71\u97ff\u3092\u4e0e\u3048\u3066\u3057\u307e\u3046<\/strong>\u3093\u3067\u3059\u3088\u306d\u3002\u6700\u8fd1\u306fHBase\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3084G1 GC\u3078\u306e\u5207\u308a\u66ff\u3048\u3067\u30c8\u30e9\u30d6\u30eb\u306f\u6e1b\u3063\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u969c\u5bb3\u304c\u8d77\u304d\u3066\u3057\u307e\u3063\u305f\u3053\u3068\u3082\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<div id=\"custom_html-20\"  data-animation-event=\"enters\"  class=\"widget_text widget widget-container widget_custom_html\"><div class=\"textwidget custom-html-widget\"><div class=\"tk_jobsearch\">\n<div class=\"tk_jobsearch_button\">\n<p class=\"single-button-lead\">8,568\u901a\u308a\u3001\u3042\u306a\u305f\u306f\u3069\u306e\u30bf\u30a4\u30d7\uff1f<\/p>\n<p class=\"single-button-link\"><a href=\"https:\/\/next.rikunabi.com\/journal\/goodpoint-shindan\/?cminr=rnnj-goodpoint-secondbutton\" rel=\"noopener noreferrer\">\u30b0\u30c3\u30c9\u30dd\u30a4\u30f3\u30c8\u8a3a\u65ad<\/a><\/p>\n<\/div>\n<\/div>\n<\/div><\/div><h2>\u305d\u306e\u6642\u3005\u3067\u9069\u3057\u305f\u6280\u8853\u3092\u30c1\u30e7\u30a4\u30b9\u3059\u308b<\/h2>\n<p><strong>\u4e45\u4fdd\u7530<\/strong>\uff1a\u305d\u3082\u305d\u3082\u306a\u305c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306bHBase\u3092\u9078\u629e\u3055\u308c\u305f\u3093\u3067\u3059\u304b\uff1f<\/p>\n<p><strong>\u9db4\u539f<\/strong>\uff1aLINE\u30a2\u30d7\u30ea\u306e\u7acb\u3061\u4e0a\u3052\u5f53\u521d\u306fMySQL\u3068Redis\u306a\u3069\u3067\u4f5c\u3089\u308c\u3066\u3044\u305f\u3093\u3067\u3059\u304c\u3001\u3042\u308b\u65e5\u9999\u6e2f\u304b\u3089\u5927\u91cf\u306e\u30e6\u30fc\u30b6\u767b\u9332\u304c\u3042\u3063\u3066\u3001\u305d\u306e\u3068\u304d\u306bMySQL\u306e\u66f8\u304d\u8fbc\u307f\u304c\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u3053\u308c\u3092\u30b9\u30b1\u30fc\u30eb\u3055\u305b\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u5f53\u6642MongoDB\u3084Cassandra\u3001HBase\u306a\u3069\u3067\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u3092\u3068\u3063\u305f\u308a\u4f7f\u7528\u611f\u3092\u8a66\u3057\u305f\u308a\u3057\u3066\u3001HBase\u304c\u6211\u3005\u306e\u898f\u6a21\u306e\u30b9\u30b1\u30fc\u30eb\u306b\u5bfe\u3057\u3066\u6709\u52b9\u305d\u3046\u3060\u3068\u3044\u3046\u3053\u3068\u3067\u63a1\u7528\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>\u3068\u306f\u3044\u3063\u3066\u3082\u6642\u4ee3\u306b\u3088\u3063\u3066\u3044\u308d\u3044\u308d\u306a\u6280\u8853\u306e\u5909\u9077\u304c\u3042\u308b\u306e\u3067\u3001\u7d76\u5bfe\u306bHBase\u3001\u3068\u3044\u3046\u308f\u3051\u3067\u306f\u306a\u3044\u3067\u3059\u3002\u3044\u307e\u4e00\u90e8\u3067\u306fCassandra\u3092\u5165\u308c\u3066\u8a66\u3057\u3066\u3044\u305f\u308a\u3001<strong>\u305d\u306e\u6642\u3005\u3067\u9069\u3057\u305f\u3082\u306e\u3092\u30c1\u30e7\u30a4\u30b9\u3057\u3066\u3044\u307e\u3059\u3002<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_3.jpg\" alt=\"\" width=\"640\" height=\"413\" class=\"alignnone size-full wp-image-60970\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_3.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_3-300x194.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p><strong>\u4e45\u4fdd\u7530<\/strong>\uff1a\u3044\u307e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u9078\u5b9a\u3092\u3084\u308a\u76f4\u3059\u306a\u3089\u4f55\u306b\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\uff1f<\/p>\n<p><strong>\u9db4\u539f<\/strong>\uff1a\u3046\u30fc\u3093\u3002\u30af\u30e9\u30a6\u30c9\u3067\u306fGCP\u306eSpanner\u3084AWS\u306eAmazon Aurora\u306a\u3069\u3001SQL\u30d9\u30fc\u30b9\u3067\u4e16\u754c\u898f\u6a21\u3067\u30b9\u30b1\u30fc\u30eb\u3059\u308b\u3082\u306e\u306b\u3044\u304d\u305f\u3044\u306a\u3068\u3044\u3046\u6c17\u6301\u3061\u306f\u3042\u308b\u3093\u3067\u3059\u304c\u3001\u73fe\u5728\u306e\u30aa\u30f3\u30d7\u30ec\u306e\u904b\u7528\u3068\u306f\u7570\u306a\u308b\u90e8\u5206\u304c\u591a\u3044\u306e\u3067\u306a\u304b\u306a\u304b\u8e0f\u307f\u5207\u308c\u306a\u3044\u3067\u3059\u306d\u3002<\/p>\n<p>\u4ed6\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306fCassandra\u3084MongoDB\u3092\u4f7f\u3063\u3066\u3044\u308b\u3068\u3053\u308d\u3082\u3042\u308b\u3093\u3067\u3059\u3051\u3069\u3001\u305d\u308c\u305e\u308cJava\u3084C++\u5074\u3067\u30c8\u30e9\u30d6\u30eb\u3082\u8d77\u3053\u308b\u306e\u3067\u3001\u4eca\u306e\u3068\u3053\u308d\u4e57\u308a\u63db\u3048\u308b\u307b\u3069\u306e\u9b45\u529b\u306f\u611f\u3058\u3066\u3044\u306a\u3044\u3067\u3059\u3002<\/p>\n<p><strong>\u4e45\u4fdd\u7530<\/strong>\uff1a\u78ba\u304b\u306b\u3001\u79c1\u3082C\u3088\u308a\u306fJVM\u306e\u65b9\u3067\u30c8\u30e9\u30d6\u30eb\u304c\u8d77\u304d\u305f\u65b9\u304c\u306a\u3093\u3068\u304b\u3067\u304d\u305d\u3046\u306a\u6c17\u304c\u3057\u307e\u3059\u3002<\/p>\n<div id=\"custom_html-21\"  data-animation-event=\"enters\"  class=\"widget_text widget widget-container widget_custom_html\"><div class=\"textwidget custom-html-widget\"><div class=\"tk_jobsearch\">\n<div class=\"tk_jobsearch_button\">\n<p class=\"single-button-lead\">8,568\u901a\u308a\u3001\u3042\u306a\u305f\u306f\u3069\u306e\u30bf\u30a4\u30d7\uff1f<\/p>\n<p class=\"single-button-link\"><a href=\"https:\/\/next.rikunabi.com\/journal\/goodpoint-shindan\/?cminr=rnnj-goodpoint-thirdbutton\" rel=\"noopener noreferrer\">\u30b0\u30c3\u30c9\u30dd\u30a4\u30f3\u30c8\u8a3a\u65ad<\/a><\/p>\n<\/div>\n<\/div>\n<\/div><\/div><h2>JVM\u904b\u7528\u3092\u652f\u3048\u308b\u3055\u307e\u3056\u307e\u306a\u65bd\u7b56\u3068\u9023\u643a<\/h2>\n<p><strong>\u4e45\u4fdd\u7530<\/strong>\uff1aJVM\u306b\u306f\u3082\u3068\u3082\u3068\u4e0d\u5f97\u610f\u306a\u51e6\u7406\u3063\u3066\u3042\u308b\u3058\u3083\u306a\u3044\u3067\u3059\u304b\u3002\u4f8b\u3048\u3070\u753b\u50cf\u51e6\u7406\u3067\u3001\u5927\u304d\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u3063\u3066\u4e00\u6c17\u306b\u3084\u308d\u3046\u3068\u3057\u3066GC\u304c\u8d70\u308a\u305d\u3046\u306b\u306a\u308b\u3068\u304b\u3002\u30b5\u30fc\u30d0\u81ea\u4f53\u3092\u30ea\u30c3\u30c1\u306b\u3059\u308b\u306e\u304c\u96e3\u3057\u3044\u5834\u5408\u3001\u3044\u308d\u3044\u308d\u306a\u5bfe\u7b56\u3092\u3068\u308a\u307e\u3059\u3088\u306d\u3002<\/p>\n<p>\u753b\u50cf\u51e6\u7406\u306e\u90e8\u5206\u3060\u3051C\u306b\u7f6e\u304d\u63db\u3048\u3066\u5b9f\u88c5\u3057\u305f\u308a\u3001\u30d0\u30c3\u30c1\u7684\u306b\u51e6\u7406\u3057\u305f\u308a\u3001\u51e6\u7406\u3054\u3068\u306b\u30b5\u30fc\u30d0\u30fc\u3092\u5206\u3051\u305f\u308a\u3002\u3042\u308b\u3044\u306fGC\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3057\u3066\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u671f\u9593\u306a\u3069\u3092\u8a2d\u3051\u3066\u5b9a\u671f\u7684\u306b\u518d\u8d77\u52d5\u3059\u308b\u3088\u3046\u306a\u300c\u904b\u7528\u3067\u30ab\u30d0\u30fc\u300d\u3068\u3044\u3063\u305f\u5bfe\u7b56\u3082\u53d6\u308c\u308b\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_4.jpg\" alt=\"\" width=\"640\" height=\"429\" class=\"alignnone size-full wp-image-60971\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_4.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_4-300x201.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>\u4e00\u822c\u7684\u306a\u793e\u5185\u5411\u3051\u30b7\u30b9\u30c6\u30e0\u3060\u3068\u3001\u696d\u52d9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u7279\u6027\u4e0a\u30a2\u30af\u30bb\u30b9\u304c\u4e00\u6c17\u306b\u5897\u3048\u308b\u3068\u304b\u5909\u308f\u308b\u3068\u304b\u3044\u3046\u3053\u3068\u306f\u3042\u307e\u308a\u306a\u3044\u306e\u3067\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u671f\u9593\u3092\u8a2d\u3051\u30661\u30f6\u6708\u306b1\u56de\u843d\u3068\u3059\u3088\u3046\u306a\u65b9\u6cd5\u3082\u53d6\u3063\u305f\u308a\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u3044\u308d\u3044\u308d\u306a\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u304c\u3001LINE\u3055\u3093\u306f\u3069\u3046\u3044\u3046\u3084\u308a\u65b9\u306a\u3093\u3067\u3059\u304b\uff1f<\/p>\n<p><strong>\u9db4\u539f<\/strong>\uff1a\u30e1\u30a4\u30f3\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b5\u30fc\u30d0\u306fTomcat\u3067\u52d5\u3044\u3066\u3044\u3066\u3001\u30c7\u30d7\u30ed\u30a4\u306e\u305f\u3081\u306b\u307b\u307c\u6bce\u65e5\u518d\u8d77\u52d5\u306f\u3057\u3066\u3044\u307e\u3059\u3002\u904e\u53bb\u306bGC\u304c\u554f\u984c\u306b\u306a\u3063\u305f\u3068\u304d\u306f\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u898b\u8a08\u3089\u3063\u3066\u30ea\u30b9\u30bf\u30fc\u30c8\u3068\u3044\u3063\u305f\u3053\u3068\u3082\u3001\u3057\u305f\u3088\u3046\u306a\u8a18\u61b6\u304c\u3042\u308a\u307e\u3059\u3002HBase\u306e\u5834\u5408\u306f\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u306a\u306e\u3067\u96e3\u3057\u3044\u3068\u3053\u308d\u306f\u3042\u308b\u3093\u3067\u3059\u3051\u3069\u2026\u2026\u3002<\/p>\n<p><strong>\u4e45\u4fdd\u7530<\/strong>\uff1a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u4ed5\u7d44\u307f\u306e\u306a\u304b\u306b\u306f\u843d\u3068\u305b\u306a\u3044\u90e8\u5206\u304c\u3042\u308a\u307e\u3059\u3082\u3093\u306d\u3002<\/p>\n<p><strong>\u9db4\u539f<\/strong>\uff1aElasticsearch\u3068\u304b\u3082\u305d\u3046\u3060\u3068\u601d\u3046\u3093\u3067\u3059\u3051\u3069\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092Java\u3067\u66f8\u304f\u3063\u3066\u3044\u3046\u3068\u3084\u3063\u3071\u308aGC\u554f\u984c\u304c\u6700\u5f8c\u306b\u7acb\u3061\u306f\u3060\u304b\u308b\u3093\u3067\u3059\u3088\u306d\u3002<\/p>\n<p><strong>\u4e45\u4fdd\u7530<\/strong>\uff1aHBase\u306e\u30c8\u30e9\u30d6\u30eb\u306f\u3069\u3093\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3057\u305f\uff1f<\/p>\n<p><strong>\u9db4\u539f<\/strong>\uff1aCMS GC\u306e\u9803\u306a\u3093\u3067\u3059\u3051\u3069\u3001HBase\u304c\u5185\u90e8\u7684\u306b\u3059\u3054\u304f\u5927\u304d\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u7e70\u308a\u8fd4\u3057\u3064\u304f\u3063\u3066\u3057\u307e\u3063\u3066\u3001Full GC\u304c\u8d70\u3063\u3066\u6b62\u307e\u3063\u3066\u3057\u307e\u3046\u3063\u3066\u3053\u3068\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u305d\u306e\u3068\u304d\u306fHBase\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8abf\u6574\u3057\u3066\u89e3\u6c7a\u3057\u307e\u3057\u305f\u304c\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5074\u3067HBase\u304c\u5f97\u610f\u3067\u306f\u306a\u3044\u5f62\u306e\u30c7\u30fc\u30bf\u3092\u4f5c\u3063\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u306a\u3069\u3001\u305d\u3082\u305d\u3082\u306e\u539f\u56e0\u304c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5074\u306b\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u3082\u591a\u304b\u3063\u305f\u3067\u3059\u306d\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_5.jpg\" alt=\"\" width=\"640\" height=\"424\" class=\"alignnone size-full wp-image-60972\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_5.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_5-300x199.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p><strong>\u4e45\u4fdd\u7530<\/strong>\uff1a\u904b\u7528\u3092\u91cd\u306d\u3066\u3044\u304f\u3068\u3001\u3069\u3046\u3044\u3046\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u82e6\u624b\u3060\u3068\u304b\u50be\u5411\u304c\u3060\u3093\u3060\u3093\u308f\u304b\u3063\u3066\u304d\u307e\u3059\u3088\u306d\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5074\u306e\u958b\u767a\u8005\u3068\u306e\u30ce\u30a6\u30cf\u30a6\u306e\u5171\u6709\u306f\u3069\u3046\u3084\u3063\u3066\u3044\u307e\u3059\u304b\uff1f<\/p>\n<p><strong>\u9db4\u539f<\/strong>\uff1a\u79c1\u305f\u3061\u306f<strong>HBase\u3092\u904b\u7528\u3059\u308b\u30c1\u30fc\u30e0\u304cHBase\u3092\u4f7f\u3046\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5074\u306e\u958b\u767a\u3082\u62c5\u5f53\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u5b9f\u306f\u540c\u3058\u4eba\u304c\u66f8\u3044\u3066\u3044\u308b\u3093\u3067\u3059\u3002<\/strong>\u306a\u306e\u3067\u304a\u4e92\u3044\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u30d9\u30fc\u30b9\u3067\u300c\u3053\u306e\u5f62\u306f\u5371\u306a\u305d\u3046\u300d\u3068\u5171\u6709\u3059\u308b\u5f62\u3067\u3059\u306d\u3002<\/p>\n<p><strong>\u4e45\u4fdd\u7530<\/strong>\uff1a\u305d\u308c\u306f\u3044\u3044\u3067\u3059\u306d\u3002<\/p>\n<h2>\u793e\u5185\u3092\u6a2a\u65ad\u3059\u308b\u6280\u8853\u5171\u6709\u306e\u4ed5\u7d44\u307f<\/h2>\n<p><strong>\u4e45\u4fdd\u7530<\/strong>\uff1a\u30e1\u30c8\u30ea\u30af\u30b9\uff08\u203b\uff09\u306e\u76e3\u8996\u306a\u3093\u304b\u306f\u3069\u3046\u3044\u3046\u65b9\u6cd5\u3067\u3084\u3063\u3066\u3044\u307e\u3059\u304b\uff1f<\/p>\n<blockquote>\n<p><span style=\"font-size: 80%;\">\u203b\u30e1\u30c8\u30ea\u30af\u30b9\u2026\u30c7\u30fc\u30bf\u3092\u53ce\u96c6\u3057\u3066\u7ba1\u7406\u306b\u4f7f\u3048\u308b\u3088\u3046\u8a08\u7b97\u3084\u5206\u6790\u3092\u52a0\u3048\u305f\u8a55\u4fa1\u6307\u6a19<\/span><\/p>\n<\/blockquote>\n<p><strong>\u9db4\u539f<\/strong>\uff1a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b5\u30fc\u30d0\u5185\u3067\u767a\u751f\u3059\u308b\u3044\u308d\u3044\u308d\u306a\u30e1\u30c8\u30ea\u30af\u30b9\u306f\u3001\u5185\u88fd\u306e\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u30c4\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u76e3\u8996\u3057\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u300c\u6bce\u79d2\u3053\u306e\u304f\u3089\u3044\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u9001\u3089\u308c\u3066\u3044\u308b\u300d\u3068\u304b\u300c\u3053\u306eAPI\u304c\u4f55\u56de\u30b3\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u300d\u3068\u304b\u306f\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u7d44\u307f\u8fbc\u3093\u3067API\u3092\u547c\u3093\u3067\u304a\u3051\u3070\u52dd\u624b\u306b\u30ab\u30a6\u30f3\u30c8\u3057\u3066\u30b5\u30fc\u30d0\u3067\u547c\u3093\u3067\u30b0\u30e9\u30d5\u3067\u898b\u308c\u308b\u3001\u3068\u3044\u3046\u98a8\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>HBase\u30d7\u30ed\u30bb\u30b9\u305d\u306e\u3082\u306e\u306e\u76e3\u8996\u3082\u3044\u308d\u3044\u308d\u3084\u3063\u3066\u3044\u3066\u3001<strong>\u30d7\u30ed\u30bb\u30b9\u30e1\u30e2\u30ea\u306e\u4f7f\u7528\u91cf\u3001\u66f8\u304d\u8fbc\u307f\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u79d2\u9593\u91cf\u306a\u3069\u306e\u76e3\u8996\u306bPrometheus\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002<\/strong>HBase\u81ea\u4f53\u304cJMX\uff08Java Management Extensions\uff09\u3067\u30e1\u30c8\u30ea\u30af\u30b9\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u306e\u3067\u3001Prometheus\u3067JMX\u3092\u8aad\u307f\u306b\u3044\u3063\u3066\u96c6\u3081\u3066\u3001Grafana\u3067\u8868\u793a\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><strong>\u4e45\u4fdd\u7530<\/strong>\uff1aPrometheus\u3068\u3044\u3048\u3070\u3001LINE\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u6e6f\u5ddd\u3055\u3093\u304c\u30d6\u30ed\u30b0\u3067\u7d39\u4ecb\u3057\u305f\u308a<a href=\"https:\/\/connpass.com\/event\/41370\/\" rel=\"noopener\" target=\"_blank\">Prometheus Casual Talks<\/a>\u3068\u3044\u3046\u30a4\u30d9\u30f3\u30c8\u3092\u958b\u50ac\u3057\u305f\u308a\u3057\u3066\u3044\u307e\u3059\u3088\u306d\u3002<\/p>\n<p><strong>\u9db4\u539f<\/strong>\uff1a\u305d\u3046\u306a\u3093\u3067\u3059\u3002\u5b9f\u306f\u6e6f\u5ddd\u3055\u3093\u306bPrometheus\u3092\u7d39\u4ecb\u3057\u305f\u306e\u306f\u50d5\u306a\u3093\u3067\u3059\u3088\uff08\u7b11\uff09\u793e\u5185Wiki\u306b\u66f8\u3044\u305f\u3089\u6e6f\u5ddd\u3055\u3093\u304c\u8208\u5473\u3092\u6301\u3063\u3066\u3001\u3042\u3063\u3068\u3044\u3046\u9593\u306b\u5e83\u3081\u3066\u3044\u3066\u3059\u3054\u3044\u306a\u30fc\u3068\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_6.jpg\" alt=\"\" width=\"640\" height=\"421\" class=\"alignnone size-full wp-image-60973\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_6.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_6-300x197.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p><strong>\u4e45\u4fdd\u7530<\/strong>\uff1a\u30a4\u30f3\u30d5\u30e9\u306e\u30d7\u30ed\u30bb\u30b9\u76e3\u8996\u306f\u5168\u3066Prometheus\u3067\u7d71\u4e00\u3057\u3066\u3044\u308b\u3093\u3067\u3059\u304b\uff1f<\/p>\n<p><strong>\u9db4\u539f<\/strong>\uff1a\u5168\u7136\u3001\u5168\u793e\u7684\u306a\u7d71\u4e00\u3067\u306f\u306a\u3044\u3067\u3059\u3002LINE\u30b2\u30fc\u30e0\u30a2\u30d7\u30ea\u306e\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30c1\u30fc\u30e0\u3084\u7d71\u8a08\u89e3\u6790\u5c02\u7528\u306e\u30c1\u30fc\u30e0\u306a\u3069\u3001\u4ed6\u306eHBase\u3092\u4f7f\u3063\u3066\u3044\u308b\u30c1\u30fc\u30e0\u3067\u3082\u305d\u308c\u305e\u308c\u9055\u3046\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3092\u6301\u3063\u3066\u3044\u308b\u72b6\u614b\u3067\u3059\u3002<\/p>\n<p><strong>\u4e45\u4fdd\u7530<\/strong>\uff1aHBase\u3092\u62c5\u5f53\u3057\u3066\u3044\u308b\u30c1\u30fc\u30e0\u304c\u3044\u304f\u3064\u304b\u3042\u308b\u3093\u3067\u3059\u306d\u3002\u30b5\u30fc\u30d3\u30b9\u3001\u88fd\u54c1\u3054\u3068\u306b\u30c1\u30fc\u30e0\u304c\u5206\u304b\u308c\u3066\u3044\u3066\u3001\u305d\u308c\u305e\u308c\u306b\u305f\u307e\u305f\u307eHBase\u3092\u9078\u629e\u3057\u305f\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u304b\uff1f<\/p>\n<p><strong>\u9db4\u539f<\/strong>\uff1a\u305d\u3046\u3067\u3059\u306d\u3002\u305f\u3060\u73fe\u72b6\u3060\u3068\u5171\u6709\u3067\u304d\u3066\u3044\u306a\u304f\u3066\u7121\u99c4\u306a\u90e8\u5206\u3082\u3042\u308b\u306e\u3067\u3001\u6a2a\u65ad\u7684\u306b\u4f7f\u3048\u308b\u3088\u3046\u306b\u793e\u5185\u30af\u30e9\u30a6\u30c9\u306e\u3088\u3046\u306a\u3082\u306e\u3092\u6574\u5099\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u3060\u5b8c\u6210\u3057\u3066\u3044\u306a\u3044\u3093\u3067\u3059\u304c\u3001\u3044\u3064\u304b\u307f\u3093\u306a\u5171\u901a\u306e\u4f7f\u3044\u65b9\u3067HBase\u5bfe\u5fdc\u306b\u3057\u305f\u3044\u306a\u30fc\u3068\u3044\u3046\u5922\u3092\u62b1\u3044\u3066\u307e\u3059\u3002<\/p>\n<h2>\u30c1\u30e3\u30ec\u30f3\u30b8\u3092\u7d9a\u3051\u308b\u305f\u3081\u306e\u8ab2\u984c<\/h2>\n<p><strong>\u4e45\u4fdd\u7530<\/strong>\uff1a\u793e\u5185\u3067HBase\u3092\u5e83\u3081\u3066\u3044\u304f\u904e\u7a0b\u3067\u3001\u73fe\u72b6\u8ab2\u984c\u3060\u3068\u601d\u3063\u3066\u3044\u308b\u306e\u306f\u3069\u3093\u306a\u3053\u3068\u3067\u3059\u304b\uff1f<\/p>\n<p><strong>\u9db4\u539f<\/strong>\uff1a\u5927\u304d\u304f\u3044\u3046\u30682\u3064\u3042\u3063\u3066\u30011\u3064\u306f\u3084\u306f\u308a\u4eba\u624b\u304c\u8db3\u308a\u306a\u3044\u3068\u3044\u3046\u554f\u984c\u3068\u3001\u3082\u30461\u3064\u306fHBase\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u554f\u984c\u3067\u3059\u306d\u30022017\u5e74\u306e<a href=\"http:\/\/linedevday.linecorp.com\/jp\/2017\/#A-6\" rel=\"noopener\" target=\"_blank\">LINE DEVELOPER DAY<\/a>\u3067\u3082\u767a\u8868\u3057\u305f\u3093\u3067\u3059\u3051\u3069\u3001\u307e\u3060HBase\u306e\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4f7f\u3063\u3066\u3044\u308b\u90e8\u5206\u304c\u3042\u3063\u3066\u3001\u3053\u308c\u307e\u3067\u306e\u30ce\u30a6\u30cf\u30a6\u306f\u305d\u3061\u3089\u306b\u504f\u3063\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u3093\u3067\u3059\u3088\u3002<\/p>\n<p>\u904e\u53bb1\u5e74\u304f\u3089\u3044\u3092\u901a\u3057\u3066HBase\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3092\u3084\u3063\u3066\u304d\u3066\u3001\u3088\u3046\u3084\u304f\u3053\u308c\u304b\u3089\u793e\u5185\u306b\u5e83\u3081\u3089\u308c\u308b\u304b\u306a\u3068\u3044\u3046\u3068\u3053\u308d\u3067\u3059\u3002\u305f\u3060HBase\u306f\u3084\u306f\u308aMySQL\u307b\u3069\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u308b\u6280\u8853\u3067\u306f\u306a\u3044\u306e\u3067\u3001\u672a\u8e0f\u306e\u30d0\u30b0\u3082\u307e\u3060\u7d50\u69cb\u3042\u308b\u3093\u3067\u3059\u3088\u306d\u3002<\/p>\n<blockquote>\n<p><span style=\"font-size: 80%;\">\u21d2 \u53c2\u8003\uff1a<a href=\"http:\/\/linedevday.linecorp.com\/jp\/2017\/#A-6\" rel=\"noopener\" target=\"_blank\">HBASE AT LINE 2017 &#8211; LINE DEVELOPER DAY<\/a><\/span><\/p>\n<\/blockquote>\n<p><strong>\u4e45\u4fdd\u7530<\/strong>\uff1a\u6211\u3005\u3082\u904e\u53bb\u306b\u306fJVM\u306e\u30d0\u30b0\u3092\u7d50\u69cb\u8e0f\u307f\u307e\u3057\u305f\u306d\u3002\u30d0\u30b0\u3092\u4fee\u6b63\u3057\u3066OSS\u306b\u8ca2\u732e\u3057\u3066\u3068\u3044\u3046\u3002<\/p>\n<p><strong>\u9db4\u539f<\/strong>\uff1a\u305d\u3046\u3067\u3059\u306d\u3001\u57fa\u672c\u7684\u306b\u898b\u3064\u3051\u305f\u30d0\u30b0\u306f\u8ca2\u732e\u3057\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u79c1\u306e\u30c1\u30fc\u30e0\u306f5\u30016\u4eba\u30672000\u53f0\u304f\u3089\u3044\u306e\u30b5\u30fc\u30d0\u3092\u898b\u3066\u3044\u308b\u306e\u3067\u3001\u30c8\u30e9\u30d6\u30eb\u304c\u8d77\u304d\u308b\u3068\u305d\u308c\u3092\u8abf\u3079\u308b\u3060\u3051\u3067\u304b\u306a\u308a\u6642\u9593\u3092\u4f7f\u3063\u3066\u3057\u307e\u3046\u3093\u3067\u3059\u3088\u306d\u3002\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30d0\u30b0\u304c\u751f\u3058\u308b\u3053\u3068\u3082\u3042\u308b\u306e\u3067\u3001\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3082\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u30ed\u30fc\u30c9\u3060\u3051\u304b\u3051\u308b\u3088\u3046\u306a\u3053\u3068\u3092\u534a\u5e74\u9593\u3084\u3063\u305f\u308a\u3057\u3066\u2026\u2026\u614e\u91cd\u306b\u9032\u3081\u3066\u307e\u3059\u3002<\/p>\n<p><strong>\u4e45\u4fdd\u7530<\/strong>\uff1a\u3046\u30fc\u3093\u3001\u305d\u308c\u306f\u4eba\u304c\u8db3\u308a\u306a\u3044\u306a\u3042\uff08\u7b11\uff09\u6211\u3005\u306e\u90e8\u968a\u3082\u7279\u6b8a\u306a\u5206\u91ce\u306a\u306e\u3067\u3001\u306a\u304b\u306a\u304b\u96e3\u3057\u3044\u3067\u3059\u3002JVM\u3067\u306f\u3042\u308b\u3093\u3067\u3059\u3051\u3069\u3001\u30b3\u30a2\u307e\u3067\u898b\u3066\u3044\u308b\u306e\u3067\u5b9f\u306fJava\u306f\u307b\u3068\u3093\u3069\u66f8\u304b\u306a\u304f\u3066\u3001\u30e1\u30a4\u30f3\u306fC\u3084C++\u3067\u3059\u3002\u305d\u3082\u305d\u3082\u3084\u308a\u305f\u3044\u3068\u3044\u3046\u4eba\u3092\u898b\u3064\u3051\u308b\u306e\u304c\u96e3\u3057\u3044\u5206\u91ce\u3067\u3059\u306d\u3002<\/p>\n<p>\u6700\u8fd1\u306f<strong>Google\u304c\u63d0\u5531\u3057\u305f\u300cSRE\uff08Site Reliability Engineering\uff09\u300d\u3068\u3044\u3046\u8868\u73fe<\/strong>\u304c\u3059\u3054\u304f\u3044\u3044\u306a\u3068\u601d\u3063\u3066\u3044\u3066\u3001\u5185\u5bb9\u306b\u3064\u3044\u3066\u3082\u305d\u3046\u3067\u3059\u304c\u306a\u306b\u3088\u308a\u4e00\u898b\u5730\u5473\u3060\u3051\u3069\u3059\u3054\u3044\u3053\u3068\u3084\u3063\u3066\u308b\u305e\u3001\u3068\u3044\u3046\u306e\u304c\u3082\u3063\u3068\u4f1d\u308f\u308c\u3070\u3044\u3044\u306a\u3068\u601d\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_7.jpg\" alt=\"\" width=\"640\" height=\"410\" class=\"alignnone size-full wp-image-60974\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_7.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_7-300x192.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p><strong>\u9db4\u539f<\/strong>\uff1aSRE\u3001\u304b\u3063\u3053\u3044\u3044\u3067\u3059\u3088\u306d\u3002\u4e45\u4fdd\u7530\u3055\u3093\u306f\u793e\u5916\u3067\u306e\u767a\u8868\u3092\u7a4d\u6975\u7684\u306b\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u3084\u306f\u308a\u9b45\u529b\u3092\u4f1d\u3048\u305f\u3044\u3068\u3044\u3046\u30e2\u30c1\u30d9\u30fc\u30b7\u30e7\u30f3\u304c\u5927\u304d\u304b\u3063\u305f\u3093\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p><strong>\u4e45\u4fdd\u7530<\/strong>\uff1a\u6700\u521d\u306b\u59cb\u3081\u305f\u3068\u304d\u306f\u3001\u77e5\u8b58\u3092\u5168\u793e\u7684\u306b\u5e95\u4e0a\u3052\u3057\u305f\u3044\u3068\u3044\u3046\u76ee\u7684\u3067\u3057\u305f\u3002\u30b5\u30f3\u30d5\u30e9\u30f3\u30b7\u30b9\u30b3\u306eJavaOne 2014\u3067\u306e\u767a\u8868\u3082\u3001HeapStats\u3092\u958b\u767a\u3057\u305f\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u300c\u305b\u3063\u304b\u304f\u3060\u304b\u3089CFP\uff08Call For Paper\uff09\u51fa\u3057\u3066\u307f\u3088\u3046\u300d\u3068\u51fa\u3057\u305f\u3089\u601d\u3044\u304c\u3051\u305a\u901a\u3063\u3066\u3001\u7d50\u69cb\u30d0\u30bf\u30d0\u30bf\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u7d99\u7d9a\u7684\u306b\u3084\u308b\u3068\u540d\u524d\u3092\u899a\u3048\u3066\u3082\u3089\u3063\u3066\u7d50\u679c\u7684\u306b\u3001\u3068\u3044\u3046\u3053\u3068\u306f\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p><strong>\u9db4\u539f<\/strong>\uff1a\u79c1\u305f\u3061\u306e\u4ed5\u4e8b\u3082\u57fa\u672c\u30aa\u30f3\u30d7\u30ec\u306a\u306e\u3067\u30db\u30c3\u30c8\u306a\u30af\u30e9\u30a6\u30c9\u306e\u8a71\u984c\u3068\u306f\u5c11\u3057\u96e2\u308c\u3066\u3057\u307e\u3046\u3068\u3053\u308d\u304c\u3042\u308b\u3093\u3067\u3059\u304c\u3001\u306a\u3089\u3067\u306f\u306e\u9762\u767d\u3055\u3092\u3082\u3063\u3068\u30a2\u30d4\u30fc\u30eb\u3057\u305f\u3044\u3068\u601d\u3063\u3066\u307e\u3059\u3002<\/p>\n<p><strong>\u4e45\u4fdd\u7530<\/strong>\uff1a\u30aa\u30f3\u30d7\u30ec\u306a\u3089<strong>\u30b5\u30fc\u30d3\u30b9\u306b\u5408\u308f\u305b\u3066\u30de\u30b7\u30f3\u3092\u30ab\u30ea\u30ab\u30ea\u306b\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3057\u3066\u3044\u304f\u306e\u304c\u304b\u306a\u308a\u9762\u767d\u305d\u3046\u3060\u306a<\/strong>\u3068\u601d\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>JVM\u306e\u4e2d\u306b\u624b\u3092\u5165\u308c\u3066\u3001\u30b5\u30fc\u30d3\u30b9\u3092\u3088\u308a\u52b9\u7387\u826f\u304f\u3076\u3093\u56de\u3057\u3066\u3001\u6027\u80fd\u826f\u304f\u3057\u3066\u30011\u30641\u3064\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u8ca0\u8377\u3092\u3059\u3054\u304f\u4f4e\u304f\u3057\u3066\u3068\u3044\u3046\u611f\u3058\u3067\u2026\u2026\u3002\u79c1\u3082\u30b5\u30fc\u30d3\u30b9\u904b\u7528\u3057\u305f\u3044\u306a\u3063\u3066\u5c11\u3057\u601d\u3044\u307e\u3059\uff08\u7b11\uff09\u3002<\/p>\n<p><strong>\u9db4\u539f<\/strong>\uff1a\u5b9f\u969b\u306b\u3061\u3087\u3063\u3068\u3057\u305f\u6700\u9069\u5316\u3067\u30de\u30b7\u30f3\u304c\u534a\u5206\u3067\u6e08\u3093\u3060\u308a\u3001\u5168\u7136\u3042\u308b\u8a71\u3067\u3059\u3088\u306d\u3002\u30c1\u30e3\u30ec\u30f3\u30b8\u3067\u304d\u308b\u6226\u5834\u304c\u3042\u308b\u306e\u306f\u5b09\u3057\u3044\u3053\u3068\u3067\u3059\u3002<\/p>\n<h2>\u9032\u5316\u3092\u7d9a\u3051\u308bJava\u3078\u306e\u671f\u5f85<\/h2>\n<p><strong>\u9db4\u539f<\/strong>\uff1a\u6211\u3005\u306f\u4e00\u6628\u5e74\u304f\u3089\u3044\u306bJava6\u304b\u3089Java8\u3078\u79fb\u884c\u3057\u305f\u3093\u3067\u3059\u3051\u3069\u3001\u3059\u3054\u304f\u3044\u3044\u306a\u3068\u601d\u3063\u3066\u3044\u307e\u3059\u3002\u79c1\u306f\u3082\u3068\u3082\u3068Perl\u306e\u3088\u3046\u306aLL\u8a00\u8a9e\u3067\u30b5\u30af\u30b5\u30af\u4f5c\u308b\u3088\u3046\u306a\u30bf\u30a4\u30d7\u3060\u3063\u305f\u306e\u3067\u6700\u521d\u306bJava\u3092\u89e6\u3063\u305f\u6642\u306f\u7d50\u69cb\u30e2\u30c3\u30b5\u30ea\u3057\u3066\u3044\u308b\u30a4\u30e1\u30fc\u30b8\u3092\u6301\u3063\u3066\u3044\u305f\u3093\u3067\u3059\u3051\u3069\u3001Java8\u3067\u306fLambda\u304c\u30a8\u30e9\u30b9\u30c6\u30a3\u30c3\u30af\u306b\u3044\u308d\u3093\u306a\u554f\u984c\u3092\u89e3\u6c7a\u3057\u3064\u3064\u3001Lombok\u3068\u304b\u4f7f\u3063\u3066\u5805\u3044Java\u304b\u3089\u306f\u8131\u5374\u3057\u305f\u306e\u304b\u306a\u3068\u3002<\/p>\n<p>Java10\u306eProposal\u3092\u898b\u3066\u3082\u3001<strong>\u6700\u8fd1\u306eKotlin\u3084Scala\u306e\u3044\u3044\u3068\u3053\u308d\u304c\u307e\u305fJava\u306b\u3082\u5165\u3063\u3066\u304d\u3066\u3001Java\u305d\u306e\u3082\u306e\u304c\u5805\u7262\u3067\u5b9f\u7528\u7684\u306a\u8a00\u8a9e\u306b\u306a\u3063\u3066\u3044\u304f\u3093\u3060\u308d\u3046<\/strong>\u3068\u3044\u3046\u30a4\u30e1\u30fc\u30b8\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><strong>\u4e45\u4fdd\u7530<\/strong>\uff1a\u8a00\u8a9e\u3068\u3057\u3066\u306e\u4f7f\u3044\u3084\u3059\u3055\u306f\u304b\u306a\u308a\u826f\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3088\u306d\u3002\u79c1\u81ea\u8eab\u306f\u3044\u308d\u3093\u306a\u6a5f\u80fd\u3084\u4fbf\u5229\u306a\u90e8\u5206\u3092\u3069\u3093\u3069\u3093\u53d6\u308a\u8fbc\u3093\u3067\u30ea\u30ea\u30fc\u30b9\u30b5\u30a4\u30af\u30eb\u304c\u65e9\u304f\u306a\u308b\u3053\u3068\u306f\u6b53\u8fce\u3067\u3059\u3002<\/p>\n<p>\u305f\u3060<strong>Java\u3092\u4f7f\u3046\u591a\u304f\u306e\u4eba\u304c\u6c42\u3081\u3066\u3044\u308b\u3060\u308d\u3046\u3053\u3068\u306f\u300c\u975e\u4e92\u63db\u6027\u304c\u6975\u529b\u306a\u3044\u3053\u3068\u300d\u3067\u3001\u300c\u5909\u308f\u3089\u306a\u3044\u3053\u3068\u300d<\/strong>\u304c\u3044\u3044\u3068\u3053\u308d\u3067\u3082\u3042\u3063\u305f\u3093\u3067\u3059\u3088\u306d\u3002NTT\u542b\u3081\u591a\u304f\u306eSIer\u3067\u306f\u3001\u958b\u767a\u3088\u308a\u904b\u7528\u306e\u671f\u9593\u304c\u305a\u3063\u3068\u9577\u304f\u306a\u308b\u3002\u975e\u4e92\u63db\u6027\u304c\u306a\u3044\u3053\u3068\u3067\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u304c\u305d\u306e\u307e\u307e\u4f7f\u3048\u308b\u3068\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_8.jpg\" alt=\"\" width=\"640\" height=\"421\" class=\"alignnone size-full wp-image-60975\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_8.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_8-300x197.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>Java8\u30849\u306e\u975e\u4e92\u63db\u6027\u3092\u8abf\u67fb\u3057\u3066\u3044\u308b\u3093\u3067\u3059\u3051\u3069\u3001\u7d30\u304b\u3044\u3068\u3053\u308d\u306f\u7d50\u69cb\u5909\u308f\u3063\u3066\u3044\u307e\u3059\u3002\u826f\u304f\u3082\u60aa\u304f\u3082\u3001<strong>\u904b\u7528\u306e\u30b3\u30b9\u30c8\u304c\u9ad8\u304f\u306a\u308b\u306e\u306f\u78ba\u304b<\/strong>\u3060\u3068\u601d\u3044\u307e\u3059\u3002\u57fa\u672c\u306fLTS\uff08Long Term Support\uff09\u306a\u306e\u3067\u3001\u958b\u767a\u8005\u3068\u3057\u3066\u306fJava\u306e\u9032\u5316\u306f\u7d20\u6674\u3089\u3057\u3044\u3068\u611f\u3058\u3066\u3044\u307e\u3059\u3051\u3069\u306d\u3002<\/p>\n<p><strong>\u9db4\u539f<\/strong>\uff1a\u6700\u8fd1Java\u305d\u306e\u3082\u306e\u304c\u826f\u304f\u306a\u3063\u3066\u304d\u3066\u3044\u3066\u3001Java\u56de\u5e30\u306e\u3088\u3046\u306a\u6d41\u308c\u304c\u3042\u308b\u306e\u304b\u306a\u3068\u601d\u3063\u3066\u3044\u307e\u3059\u3002\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3084\u30e6\u30fc\u30b6\u306e\u6210\u719f\u5ea6\u3082\u7fa4\u3092\u629c\u3044\u3066\u9ad8\u3044\u306e\u3067\u3001Java\u304c\u826f\u304f\u306a\u3063\u3066\u304f\u308c\u308b\u3053\u3068\u306f\u5b09\u3057\u3044\u3067\u3059\u306d\u3002<\/p>\n<p><strong>\u4e45\u4fdd\u7530<\/strong>\uff1a\u8a00\u8a9e\u3068\u3057\u3066\u306e\u9032\u5316\u304c\u65e9\u304f\u306a\u308a\u307e\u3057\u305f\u3088\u306d\u3002\u6700\u8fd1\u306fGC\u306e\u7a2e\u985e\u304c\u5897\u3048\u3066\u304d\u305f\u306e\u3067\u8abf\u67fb\u3092\u3057\u3066\u3044\u308b\u3093\u3067\u3059\u3051\u3069\u3001JVM\u306f\u65b0\u3057\u3044GC\u304c\u5c0e\u5165\u3055\u308c\u308b\u306e\u304c\u65e9\u3044\u5370\u8c61\u3067\u3059\u306d\u3002\u4eca\u5f8c3\u3064\u307b\u3069\u65b0\u3057\u3044GC\u304c\u5165\u3063\u3066\u304f\u308b\u4e88\u5b9a\u3067\u3059\u3057\u3001\u305d\u306e\u4e00\u3064\u306eZGC\u306fOracle\u30e9\u30dc\u3067\u7814\u7a76\u3055\u308c\u305f\u3044\u308d\u3044\u308d\u306a\u8abf\u6574\u304c\u53d6\u308a\u8fbc\u307e\u308c\u305d\u3046\u3060\u306a\u3068\u3002<\/p>\n<p>HBase\u3082\u3001\u65b0\u3057\u3044GC\u306b\u306a\u3063\u305f\u3089\u3069\u3046\u306a\u308b\u304b\u8abf\u67fb\u3092\u3057\u3066\u3001GC\u6226\u7565\u3092\u3044\u308d\u3044\u308d\u3068\u8003\u3048\u3066\u3068\u3001\u9762\u767d\u304f\u306a\u308a\u305d\u3046\u3067\u3059\u306d\u3002<\/p>\n<p><strong>\u9db4\u539f<\/strong>\uff1a\u305d\u3046\u3067\u3059\u306d\u3002\u79c1\u3082\u671f\u5f85\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_9.jpg\" alt=\"\" width=\"640\" height=\"427\" class=\"alignnone size-full wp-image-60976\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_9.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_9-300x200.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<h2>\u3010\u5bfe\u8ac7\u8005\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u3011<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_profile1.jpg\" alt=\"\" width=\"640\" height=\"436\" class=\"alignnone size-full wp-image-60977\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_profile1.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_profile1-300x204.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><span style=\"font-size: 90%;\">\u25b2<strong>LINE\u682a\u5f0f\u4f1a\u793e LINE\u958b\u767a1\u5ba4\u3000\u9db4\u539f \u7fd4\u5922\uff08\u3064\u308b\u306f\u3089\u30fb\u3068\u3080\uff09\u6c0f <\/strong><br \/>2013\u5e74\u306bLINE\u306b\u5165\u793e\u5f8c\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u306e\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u958b\u767a\u8005\u3068\u3057\u3066\u3001\u4e3b\u306bHBase\u3068\u95a2\u9023\u3059\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u591a\u304f\u643a\u308f\u308b\u3002<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_profile2.jpg\" alt=\"\" width=\"640\" height=\"419\" class=\"alignnone size-full wp-image-60978\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_profile2.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/01\/LINE_profile2-300x196.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><span style=\"font-size: 90%;\">\u25b2<strong>\u65e5\u672c\u96fb\u4fe1\u96fb\u8a71\u682a\u5f0f\u4f1a\u793e OSS\u30bb\u30f3\u30bf\u3000\u4e45\u4fdd\u7530 \u7950\u53f2\uff08\u304f\u307c\u305f\u30fb\u3086\u3046\u3058\uff09\u6c0f<\/strong><br \/>Java\u306e\u8abf\u67fb\u691c\u8a3c\u3084\u30b3\u30a2\u89e3\u6790\u304b\u3089\u30b7\u30b9\u30c6\u30e0\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u307e\u3067\u3053\u306a\u3059\u30c6\u30af\u30cb\u30ab\u30eb\u30b5\u30dd\u30fc\u30c8\u30a8\u30f3\u30b8\u30cb\u30a2\u3002OpenJDK\u3078\u306e\u8ca2\u732e\uff08OpenJDK Author, icedtea Committer\uff09\u3084Duke&#8217;s Choice Award 2016\u3092\u7372\u5f97\u3057\u305fJava\u30c8\u30e9\u30d6\u30eb\u652f\u63f4\u30c4\u30fc\u30ebHeapStats \u306e\u958b\u767a\u306b\u3082\u643a\u308f\u3063\u3066\u3044\u308b\u3002<\/span><\/p>\n<div class=\"block_content_1px\">\n<h4>\u53d6\u6750\u30fb\u57f7\u7b46\uff1adotstudio, inc. \u3061\u3083\u3093\u3068\u304f<\/h4>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-31595\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2018\/05\/tokuno.jpg\" alt=\"\" width=\"80\" height=\"80\" \/><span style=\"font-size: 13px;\">\u5927\u5b66\u307e\u3067\u306f\u6587\u7cfb\u3067\u6cd5\u5b66\u3092\u5b66\u3093\u3067\u3044\u305f\u304c\u300c\u30e2\u30ce\u3092\u4f5c\u308c\u308b\u4eba\u300d\u306b\u61a7\u308c\u3066\u77e5\u8b58\u30bc\u30ed\u304b\u3089Web\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u9053\u3078\u3002\u8ee2\u8077\u3057\u73fe\u5728\u306fIoT\u4e2d\u5fc3\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u30fb\u30c6\u30af\u30cb\u30ab\u30eb\u30e9\u30a4\u30bf\u30fc\u3068\u3057\u3066\u6d3b\u52d5\u3002Node.js\u30e6\u30fc\u30b6\u30b0\u30eb\u30fc\u30d7\u5185\u306e\u5973\u6027\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u300cNode Girls\u300d\u3092\u4e3b\u50ac\u3002Twitter: @<a href=\"https:\/\/qiita.com\/tokutoku393\" target=\"_blank\" rel=\"noopener\">tokutoku393<\/a> \/ dotstudio, inc.<\/span>\n<\/div>\n<p><strong><span style=\"font-size: 12px;\">\u203b\u672c\u8a18\u4e8b\u306f\u300cCodeIQ 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