{"width":"100%","blog_title":"FLINTERS Engineer's Blog","image_url":null,"blog_url":"https://blog.flinters.co.jp/","provider_name":"Hatena Blog","title":"\u7d20\u65e9\u304f\u30c7\u30fc\u30bf\u30de\u30a4\u30cb\u30f3\u30b0\u3057\u305f\u304f\u306a\u3063\u305f\u3089Spark\u3092\u59cb\u3081\u3088\u3046","height":"190","description":"\u3053\u3093\u306b\u3061\u306f\u3002\u83c5\u91ce\u3067\u3059\u3002 Scala\u3092\u4f7f\u3063\u3066\u96c6\u8a08\u30d0\u30c3\u30c1\u306a\u3069\u3092\u66f8\u304f\u3068\u3001\u3075\u3064\u3046\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u99c6\u4f7f\u3057\u3066\u30c7\u30fc\u30bf\u3092\u3053\u306d\u304f\u308a\u56de\u3057\u307e\u3059\u3088\u306d\uff1f val \u4f55\u304b\u306e\u30c7\u30fc\u30bf: Seq[String] = ??? \u4f55\u304b\u306e\u30c7\u30fc\u30bf .groupBy(identity) .mapValues(_.size) .toSeq .sortBy(_._2) .foreach(println) Scala\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306f\u5f37\u529b\u3067\u4f7f\u3044\u3084\u3059\u3044\u306e\u3067\u3001\u3068\u308a\u3042\u3048\u305a\u3053\u3093\u306a\u611f\u3058\u3067\u65e5\u3005\u306e\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3059\u308b\u3068\u601d\u3044\u307e\u3059\u3002 \u3057\u304b\u3057\u5b9f\u884c\u6642\u9593\u306f\u30c7\u30fc\u30bf\u91cf\u306b\u6bd4\u4f8b\u3059\u308b\u3088\u3046\u306b\u9577\u304f\u306a\u308a\u3001\u305d\u306e\u3046\u3061OutOfMemoryError\u3068\u53eb\u3073\u306a\u304c\u3089\u30d7\u30ed\u30bb\u30b9\u304c\u7206\u6563\u2026","author_name":"zakknak","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.flinters.co.jp%2Fentry%2F2016%2F11%2F02%2F090317\" title=\"\u7d20\u65e9\u304f\u30c7\u30fc\u30bf\u30de\u30a4\u30cb\u30f3\u30b0\u3057\u305f\u304f\u306a\u3063\u305f\u3089Spark\u3092\u59cb\u3081\u3088\u3046 - FLINTERS Engineer&#39;s Blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://blog.flinters.co.jp/entry/2016/11/02/090317","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/zakknak/","type":"rich","published":"2016-11-02 09:03:17","version":"1.0","categories":["Scala","AWS"]}