{"id":123813,"date":"2024-03-24T12:43:59","date_gmt":"2024-03-24T03:43:59","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java-%e3%83%92%e3%83%bc%e3%83%97%e3%82%b5%e3%82%a4%e3%82%ba%e3%81%ae%e8%aa%bf%e6%95%b4%e6%96%b9%e6%b3%95\/"},"modified":"2024-04-05T06:55:32","modified_gmt":"2024-04-04T21:55:32","slug":"java-%e3%83%92%e3%83%bc%e3%83%97%e3%82%b5%e3%82%a4%e3%82%ba%e3%81%ae%e8%aa%bf%e6%95%b4%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java-%e3%83%92%e3%83%bc%e3%83%97%e3%82%b5%e3%82%a4%e3%82%ba%e3%81%ae%e8%aa%bf%e6%95%b4%e6%96%b9%e6%b3%95\/","title":{"rendered":"Java \u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u306e\u8abf\u6574\u65b9\u6cd5"},"content":{"rendered":"

JVM\u306e\u8d77\u52d5\u6642\u306b\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u3092\u8abf\u6574\u3067\u304d\u307e\u3059\u3002JVM\u306e\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u306f -Xmx \u3068 -Xms \u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u5236\u5fa1\u3055\u308c\u307e\u3059\u3002<\/p>\n

-Xmx\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u6700\u5927\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u3092\u8a2d\u5b9a\u3057\u3001-Xms\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u521d\u671f\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u30022 \u3064\u306e\u5024\u306f\u540c\u3058\u5024\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n

\u4f8b\u3068\u3057\u3066\u30012GB \u306e\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u3092\u8a2d\u5b9a\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n

java -Xmx2g -Xms2g MyProgram<\/p>\n

\u3053\u306e\u8a2d\u5b9a\u306b\u3088\u308a\u6700\u5927\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u3068\u521d\u671f\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u304c2GB\u306b\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u306e\u300cg\u300d\u306f\u30ae\u30ac\u30d0\u30a4\u30c8\uff08GB\uff09\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n

\u4ed6\u306e\u9069\u5207\u306a\u5024\u306b\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001<\/p>\n

java -Xmx512m -Xms256m MyProgram<\/p>\n

\u3053\u308c\u306b\u3088\u308a\u6700\u5927\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u304c 512MB \u306b\u8a2d\u5b9a\u3055\u308c\u3001\u521d\u671f\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u304c 256MB \u306b\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002 ‘M’ \u306f\u30e1\u30ac\u30d0\u30a4\u30c8\uff08MB\uff09\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n

\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u3059\u304e\u308b\u3068OutOfMemoryError\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3057\u3001\u5927\u304d\u3059\u304e\u308b\u3068\u30b7\u30b9\u30c6\u30e0\u30ea\u30bd\u30fc\u30b9\u4e0d\u8db3\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8981\u6c42\u3068\u30b7\u30b9\u30c6\u30e0\u30ea\u30bd\u30fc\u30b9\u306b\u5fdc\u3058\u3066\u9069\u5207\u306a\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u3092\u6c7a\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

JVM\u306e\u8d77\u52d5\u6642\u306b\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u3092\u8abf\u6574\u3067\u304d\u307e\u3059\u3002JVM\u306e\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u306f -Xmx \u3068 -Xms \u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u5236\u5fa1\u3055\u308c\u307e\u3059\u3002 -Xmx\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u6700\u5927\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u3092\u8a2d\u5b9a\u3057\u3001-Xms\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u521d […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-123813","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nJava \u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u306e\u8abf\u6574\u65b9\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/java-\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u306e\u8abf\u6574\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java \u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u306e\u8abf\u6574\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"JVM\u306e\u8d77\u52d5\u6642\u306b\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u3092\u8abf\u6574\u3067\u304d\u307e\u3059\u3002JVM\u306e\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u306f -Xmx \u3068 -Xms \u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u5236\u5fa1\u3055\u308c\u307e\u3059\u3002 -Xmx\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u6700\u5927\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u3092\u8a2d\u5b9a\u3057\u3001-Xms\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u521d […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/java-\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u306e\u8abf\u6574\u65b9\u6cd5\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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