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JDK 7u65/8u11以é™ã«å˜åœ¨ã™ã‚‹ãƒã‚¤ãƒˆã‚³ãƒ¼ãƒ‰æ¤œè¨¼ã®ä¸å…·åˆ - GeekFactory
JDK 7u65/8u11以é™ã«ã¯ãƒã‚¤ãƒˆã‚³ãƒ¼ãƒ‰æ¤œè¨¼ã®ä¸å…·åˆ JDK-8051012 ãŒã‚ã‚Šã¾ã™ã€‚Groovyã§ã¯ã€ GROOVY-6951 ã§å ±å‘Šã•ã‚Œã¦ã„るよã†ã«ã€ã‚³ãƒ³ã‚¹ãƒˆãƒ©ã‚¯ã‚¿å†…ã§super()ã‚„this()を使ã†ã¨å®Ÿè¡Œæ™‚エラーãŒç™ºç”Ÿã—ã¾ã™ã€‚ Gradle SSH Pluginã§ã‚‚コンストラクタ内ã§super()を実行ã™ã‚‹ã‚³ãƒ¼ãƒ‰ãŒã‚ã‚Šã€JDK 7u65/8u11以é™ã§æ£å¸¸ã«å‹•ä½œã—ãªã„å•é¡ŒãŒã‚ã‚Šã¾ã™ã€‚最近ã®JDKã§ä¸å…·åˆãŒä¿®æ£ã•ã‚Œã¦ã„ã‚‹ã‹ç¢ºèªã—ã¦ã¿ãŸã®ã§ã™ãŒã€ã‚„ã¯ã‚Šå‹•ä½œã—ã¾ã›ã‚“ã§ã—ãŸã€‚çµæžœã¯ä»¥ä¸‹ã®é€šã‚Šã§ã™ã€‚ æˆåŠŸ 7u60-b19 失敗 7u65-b17 失敗 7u67-b01 æˆåŠŸ 8u5-b13 失敗 8u11-b12 失敗 8u20-b26 残念ãªãŒã‚‰ã€GROOVY-6951 ã®ã‚¹ãƒ¬ãƒƒãƒ‰ã«ã‚ˆã‚‹ã¨8u40ã¾ã§å¾…ã¤ã—ã‹ãªã„よã†ã§ã™ã€‚ ãªãŠã€Travis CIã§ã¯å½“該ã®ä¸å…·åˆã«å¯¾ã™ã‚‹æš«å®šå¯¾
「Javaã®é‰±è„ˆã€ã§JVMオプションã®è¨˜äº‹ã‚’書ãã¾ã—㟠| ã•ã«ã‚らãš
WEB+DB PRESS ã® Vol.82 ã«ã€ã‹ãªã‚Šæ°—åˆã„ã®å…¥ã£ãŸ JVM オプションã®è¨˜äº‹ã‚’書ã„ãŸã®ã§ã€æ˜¯éžèªã‚“ã§é ‚ããŸã„。 2014/8/23 発売ã§ã™ã®ã§ã€æ—¢ã«è³¼å…¥é ‚ã„ã¦ã‚‹æ–¹ã‚‚多ã„ã¨æ€ã„ã¾ã™ã€‚ é›»å書ç±ç‰ˆã‚‚ã‚ã‚Šã¾ã™ã®ã§ç‰©ç†çš„ãªåª’体ã«èˆˆå‘³ãŒãªã„方㯠PDF ã‚’è²·ã£ã¦ä¸‹ã•ã„。 WEB+DB PRESS Vol.82@Gihyo Digital Publishing今回ã®è¨˜äº‹ã«ãŠã‘る対象èªè€…ã«ã¤ã„ã¦#今回ã®è¨˜äº‹ã¯ã€ã‚¿ãƒ¼ã‚²ãƒƒãƒˆã¨ã—㦠Java ã«ä½™ã‚Šæ™‚間をコミットã—ã¦ã„ãªã„ã‘ã©ã‚‚便利ãªã®ã§ JVM 上ã§å‹•ãアプリケーションをウッカリé‹ç”¨ã—ã¦ã„る人をイメージã—ãªãŒã‚‰æ›¸ãã¾ã—ãŸã€‚ 例ãˆã°ã€OSS ã‚‚ã®ã 㨠Hadoop ã‚„ ZooKeeperã€Lucene ã‚„ Solrã€å•†ç”¨è£½å“ã 㨠Stash ã¨ã‹ JIRA ã¨ã‹ confluence ã¨ã‹ãã†ã„ã†ã‚‚ã®ã§ã™ã。 僕ã®è¦³æ¸¬ç¯„囲ã ã¨ã€PHP ã‚„
Tuning and benchmarking Java 7's Garbage Collectors: Default, CMS and G1
[i am not a native english speaker, so enable quirks mode pls ...] Due to trouble in a project with long GC pauses, I just had myself a deeper look into GC details. There is not that much acessible information/benchmarks on the Web, so I thought I might share my tests and enlightments ^^. Last time I tested GC some years ago I just came to the conclusion, that allocation of any form is evil in Jav
JVMオプション | Java | 技術メモ | TOYATAKU WEB
GCã®ç¨®é¡žã¨æ–¹å¼ã«ã¤ã„ã¦Â [2013-08-23] GCã¨ãƒ¡ãƒ¢ãƒªæƒ…å ±ã®å‡ºåŠ›Â [2013-07-10] HotSpot関連 [2013-01-31] ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ï¼ˆæ€§èƒ½æ”¹å–„）関連 [2016-07-14] new GC overhead limit exceeded [2013-01-31] -XXオプションã«ã¤ã„ã¦ã€æœ‰åŠ¹ã¯ã€Œ+ã€ã€ç„¡åŠ¹ã¯ã€Œ-ã€ã¨æŒ‡å®šã™ã‚‹ã€‚ 自分ãŒã©ã®VMã§èµ·å‹•ã—ã¦ã„ã‚‹ã‹ç¢ºèªã™ã‚‹å ´åˆã¯ã€Œjava -versionã€ã‚³ãƒžãƒ³ãƒ‰ã€‚ Java VMã®ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆå€¤ã¯Java HotSpot VM Optionsã‚’å‚考ã«ã€‚ ã¾ãŸã€JVM ã¯ã€Œã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆVMã€ã‹ã€Œã‚µãƒ¼ãƒVMã€ã‹ã‚’実行時ã«æŒ‡å®šã§ãる。 上記ã¯æŒ‡å®šã—ãªã‹ã£ãŸå ´åˆã€OSã«ã‚ˆã£ã¦ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆå€¤ãŒç•°ãªã‚‹ã®ã§ã€ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆå€¤ãŒã©ã†ãªã£ã¦ã„ã‚‹ã‹ã¯ä»¥ä¸‹ã‚’å‚ç…§ã™ã‚‹ã€‚ ・サーãƒãƒ¼ã‚¯ãƒ©ã‚¹ãƒžã‚·ãƒ³ã®æ¤œå‡º GCã®ç¨®é¡žã¨æ–¹å¼ã«ã¤ã„㦠JVMã§ã¯ã€ã€ŒSca
Java トラブル解æžæ”¯æ´ãƒ„ール HeapStats ã®ã”紹介
2. Open Source Conference 2014 Hokkaido 自己紹介 ïµ ç«¹æž— 信哉(+ShinyaTAKEBAYASHI) ïµ æ˜¨æ™©ã‚¬ãƒ©ãƒŠã‚’é£²ã‚“ã§çœ ã‚Œãªããªã£ãŸã²ã¨ ïµ ä»•äº‹ ïµ ç¤¾å†…ã® Java 駆ã‘è¾¼ã¿å¯º ïµ ãƒˆãƒ©ãƒ–ãƒ«è§£æžæ”¯æ´ï¼ŒæŠ€è¡“æ”¯æ´ ïµ Java 仮想マシン，Linux カーãƒãƒ«ï¼Œ ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ãƒ‘ケットãªã©ã®è§£æž ïµ è¶£å‘³ ïµ ãƒ¢ãƒŽã¥ãり（ソフトウェア（C/C++/x86ASM）電å工作） ïµ ãƒãƒ¼ãƒ‰ãƒã‚¤ã‚¯ ïµ ãã®ä»– ïµ Linux よりWindows，Windows より BSD
Javaã¯ã©ã®ã‚ˆã†ã«å‹•ãã®ã‹ï½žå›³è§£ã§ã‚ã‹ã‚‹JVMã®ä»•çµ„㿠記事一覧 | gihyo.jp
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JJUG CCC 2013 Fall「JVMコードリーディング入門-JVMã®OS抽象化レイヤーã«ã¤ã„ã¦-ã€
9. ソースコードã®å…¥æ‰‹ â— zipã§å–å¾—ã™ã‚‹ â—‹ メリット：入手ãŒç°¡å˜ã€è§£å‡ã™ã‚Œã°èªã‚ã‚‹ â—‹ デメリット：æä¾›ãƒãƒ¼ã‚¸ãƒ§ãƒ³ãŒå›ºå®šã®å ´åˆãŒã‚ã‚‹ ◠ソースコードリãƒã‚¸ãƒˆãƒªã‹ã‚‰å–å¾—ã™ã‚‹ â—‹ メリット：好ããªãƒãƒ¼ã‚¸ãƒ§ãƒ³ã‚’入手ã§ãã‚‹ â—‹ デメリット：èªã‚€ã¾ã§ã«è‹¦åŠ´ã™ã‚‹å ´åˆã‚‚ã‚る， java.netãŒç¹‹ãŒã‚Šã¥ã‚‰ã„ 10. リãƒã‚¸ãƒˆãƒªã‹ã‚‰ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’入手ã™ã‚‹ ï¼ˆè¿½è¨˜ï¼‰ä¸‹è¨˜æ‰‹é †ã®ä»£ã‚ã‚Šã«get_source.shを実行ã™ã‚‹æ–¹æ³•ã‚‚ã‚ã‚Šã¾ã™ 1. Mercurialをインストールã™ã‚‹ sudo apt-get install mercurial 2. hgforest-crewã‹ã‚‰forest.pyをダウンãƒãƒ¼ãƒ‰ã—ã¦ä»»æ„ã®å ´æ‰€ã«ç½®ã 3. è¨å®šãƒ•ã‚¡ã‚¤ãƒ«hgrcã«forest.pyを使ã†è¨å®šã‚’追記 [extensions] forest={forest.pyã‚’ç½®ã„ãŸãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªãƒ‘ス}/forest.py 4
Interview with Scala's Martin Odersky
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Raible Designs | My Comparing JVM Web Frameworks Presentation from Devoxx 2010
Matt Raible is a Web Developer and Java Champion. Connect with him on LinkedIn. The Angular Mini-Book is a guide to getting started with Angular. You'll learn how to develop a bare-bones application, test it, and deploy it. Then you'll move on to adding Bootstrap, Angular Material, continuous integration, and authentication. Spring Boot is a popular framework for building REST APIs. You'll learn h
HotspotVMã®åœ§ç¸®oops
原文 翻訳：ä¸æ‘ æˆæ´‹ æ›´æ–° 2010/09/19 ã‚‹ã¨ã•ã‚“ã‹ã‚‰ã®ã”指摘ã§èª¤è¨³ã‚’ä¿®æ£ æ›´æ–° 2010/09/18 nminoruã•ã‚“ã¨ã€Dominion525ã•ã‚“ã®ã”指摘ã§èª¤è¨³ã‚’ä¿®æ£ oopã£ã¦ãªã«ï¼Ÿã€€ãªã‚“ã§åœ§ç¸®ã™ã‚‹å¿…è¦ãŒã‚ã‚‹ã®ï¼Ÿ Hotspotã®å°‚門用語ã§ã‚る「oop（ordinary object pointer:通常ã®ã‚ªãƒ–ジェクトãƒã‚¤ãƒ³ã‚¿ï¼‰ã€ã¯ã‚ªãƒ–ジェクトã¸ã®ç®¡ç†ãƒã‚¤ãƒ³ã‚¿ã®ã“ã¨ã 。 通常ã¯ãƒã‚¤ãƒ†ã‚£ãƒ–ãªãƒã‚¤ãƒ³ã‚¿ã‚µã‚¤ã‚ºã¨åŒã˜ã«ãªã‚‹ã€‚ã¤ã¾ã‚Šã€LP64ã®ç’°å¢ƒã§ã‚ã‚Œã°64ビットã«ãªã‚‹ã¨ã„ã†ã“ã¨ã 。 ILP32ã®ç’°å¢ƒã§ã¯ã€æœ€å¤§ãƒ’ープサイズã¯4GBより幾分ã‹å°‘ãªããªã‚‹ã€‚ã“ã‚Œã¯å¤šãã®ã‚¢ãƒ—リケーションã«ã¨ã£ã¦ä¸å分ã 。 ã˜ã‚ƒã‚ã€LP64ã®ç’°å¢ƒã§ã¯ã¨ã„ã†ã¨ã€ã»ã¨ã‚“ã©ã®å ´åˆã®ãƒ’ープã¯ã€å¯¾å¿œã™ã‚‹IPL32ã®ç’°å¢ƒã¨æ¯”ã¹ã¦ç´„1.5å€ã«ãªã£ã¦ã—ã¾ã†ï¼ˆã©ã¡ã‚‰ã‚‚åŒã˜çŠ¶æ³ã¨ä»®å®šï¼‰ã€‚ 管ç†ãƒã‚¤ãƒ³ã‚¿ã®ã‚µã‚¤ã‚ºãŒå¢—大ã—ã¦ã—ã¾ã†
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