[B! jvm] heavenshellã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

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jvmã«é–¢ã™ã‚‹heavenshellã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (28)

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JITã¨ã‚³ãƒ¼ãƒ‰ã®æš–æ°—ã®å®Ÿä½“ - #chiroito â€™s blog
ã©ã†ã‚‚ã€è¶£å‘³ã§OpenJDKã®ã‚³ãƒŸãƒƒã‚¿ã‚’ã—ã¦ã¾ã™ã€‚ ã¨ã‚ã‚‹ãƒ–ãƒã‚°ã‚’èªã‚“ã§ã„ãŸã‚‰æ°—ã«ãªã‚‹ç‚¹ãŒã‚ã£ãŸã®ã§æ¤œè¨¼ã—ã¦ã¿ã¾ã—ãŸã€‚ JITã¨æš–æ°— Javaãƒ—ãƒã‚»ã‚¹ã¯ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚’å‹•ã‹ã—ãªãŒã‚‰å¿…è¦ã«å¿œã˜ã¦ãƒãƒƒã‚¯ã‚°ãƒ©ã‚¦ãƒ³ãƒ‰ã§ãƒã‚¤ãƒˆã‚³ãƒ¼ãƒ‰ã‚’ãƒã‚¤ãƒ†ã‚£ãƒ–ã‚³ãƒ¼ãƒ‰ã«ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã—ã¾ã™ã€‚ã“ã®ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«æ™‚ã«ã¯CPUãƒªã‚½ãƒ¼ã‚¹ã‚’ä½¿ç”¨ã—ã¾ã™ã€‚ ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã«ã¯ã„ãã¤ã‹ã®ãƒ¬ãƒ™ãƒ«ãŒã‚ã‚Šã¾ã™ãŒã€ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã•ã‚Œã‚‹å‰ã‚„ãƒ¬ãƒ™ãƒ«ã®ä½Žã„ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã®ã‚³ãƒ¼ãƒ‰ã¯CPUã®ãƒªã‚½ãƒ¼ã‚¹åŠ¹çŽ‡ãŒæ‚ªã‹ã£ãŸã‚Šã€ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®å‡¦ç†ä¸ã«ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ãŒå®Ÿè¡Œã•ã‚Œã‚‹ã¨CPUãƒªã‚½ãƒ¼ã‚¹ã‚’å¥ªã„ã‚ã£ãŸã‚Šãªã©ãŒå•é¡Œã«ãªã‚Šã¾ã™ã€‚ ãã®ãŸã‚ã€Java ã®ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã§æ€§èƒ½ã‚’æ°—ã«ã™ã‚‹è¦ä»¶ãŒã‚ã‚‹å ´åˆã€æœ¬ç•ªã«è¿‘ã„ãƒªã‚¯ã‚¨ã‚¹ãƒˆã‚’æŠ•ã’ã¦ã‚³ãƒ¼ãƒ‰ã‚’JITã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã™ã‚‹äº‹ãŒã‚ã‚Šã¾ã™ã€‚ã“ã‚Œã‚’ã‚ˆãæš–æ°—ã¨è¨€ã„ã¾ã™ã€‚ã“ã‚Œã«ã‚ˆã‚Šæœ¬ç•ªã®ãƒªã‚¯ã‚¨ã‚¹ãƒˆãŒæ¥ã‚‹å‰ã«ã‚³ãƒ¼ãƒ‰ã‚’æœ€é©åŒ–ã—ã€ã‚ˆã‚ŠCPUãƒªã‚½ãƒ¼ã‚¹åŠ¹çŽ‡ã®é«˜ã„ã‚³ãƒ¼ãƒ‰ã§
heavenshell 2020/09/19
java

jvm
ãƒªãƒ³ã‚¯
G1GCã®ã¤ã‹ã„ã©ã“ã‚ãƒ¡ãƒ¢ - nekop's blog
ä»¥ä¸‹ã®ç’°å¢ƒã¨ãƒ†ã‚¹ãƒˆã§CMSã¨G1GCã‚’æ¯”è¼ƒã—ã¦ã¿ãŸã€‚ã‹ãªã‚Šæ€¥ãŽã§ã‚„ã£ãŸã®ã§é–“é•ã£ã¦ã„ã‚‹å¯èƒ½æ€§ãŒå¤šå°‘ã‚ã‚‹ã€‚ 16 cores, 32GB mem -Xms24g -Xmx24g 8 instances Infinispan 6.0.3.Final DIST cache, put 4GB data (1KB entry * 2M, 2GB data with one backup copy, 2GB * 2 = 4GB) CMS: -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=30 G1GC: -XX:+UseG1GC -XX:G1HeapRegionSize=16m -XX:InitiatingHeapOccupancyPercent=30 $ java -XX:+UseG1GC -XX:+PrintFlagsFinal
heavenshell 2020/02/12
jvm
ãƒªãƒ³ã‚¯
JVMä¸Šã§å‹•ãWebã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ãŒãƒªã‚½ãƒ¼ã‚¹ã‚’é£Ÿã„ã¤ã¶ã™åŽŸå› ã‚’æŽ¢ã‚‹ãŸã‚ã«ã‚„ã£ãŸã“ã¨ã€Backlog PlayåŒ–ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã€‘
ãƒŒãƒ¼ãƒ©ãƒœã§Scalaã‚’æ›¸ãRubyistã®è°·æœ¬ã§ã™ã€‚ãƒŒãƒ¼ãƒ©ãƒœã§ã¯ã€Backlogã®é–‹ç™ºã‚’æ‹…å½“ã—ã¦ãŠã‚Šã€æœ€è¿‘ã§ã¯Backlogã‚’Javaã‹ã‚‰Scala / Play Frameworkã«ç§»è¡Œã™ã‚‹ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã®ãƒ¡ãƒ³ãƒãƒ¼ã§ã—ãŸã€‚ Backlogã®PlayåŒ–ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã§ã¯ã€OutOfMemorryError(ä»¥ä¸‹ã€OOM)ã®ç™ºç”Ÿã‚„CPUä½¿ç”¨çŽ‡ã¨ãƒãƒ¼ãƒ‰ã‚¢ãƒ™ãƒ¬ãƒ¼ã‚¸ãŒä¸ŠãŒã£ãŸã¾ã¾ã¨ã„ã†ã€Java Virtual Machineï¼ˆä»¥ä¸‹ã€JVMï¼‰ä¸Šã§å‹•ãBacklogã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã«é–¢ã™ã‚‹å•é¡Œã«å¯¾å‡¦ã™ã¹ãã€ä½•åº¦ã‹Heap/Thread dumpã‚’è¦‹ã‚‹æ©Ÿä¼šãŒã‚ã‚Šã¾ã—ãŸã€‚ ç§ãŒPlayåŒ–ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã§å–ã‚Šçµ„ã‚“ã ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹æ”¹å–„ã®çŸ¥è¦‹ã‚„çµŒé¨“ã‚’ã‚‚ã¨ã«ã€æœ¬è¨˜äº‹ã§ã¯ã€ŒJVMã§èµ·ã“ã£ãŸãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã®å•é¡Œã®åˆ‡ã‚Šåˆ†ã‘æ–¹ã€ã«ã¤ã„ã¦ãŠå±Šã‘ã—ã¾ã™ã€‚ ã¯ã˜ã‚ã« æœ¬ç•ªç’°å¢ƒã§ã—ã°ã‚‰ãå‹•ã‹ã—ã¦ã„ã‚‹ã¨ã€ã‚³ãƒ¼ãƒ‰è‡ªä½“ã¯æ£ã—ãå®Ÿè¡Œã§ãã‚‹ã‘
heavenshell 2019/10/23
jvm
ãƒªãƒ³ã‚¯
PHP ã§ JVM ã‚’å®Ÿè£…ã—ã¦ Hello World ã‚’å‡ºåŠ›ã™ã‚‹ã¾ã§
at builderscon tokyo 2019 English Title: How to implement JVM by the PHP, and until output HelloWorld.
heavenshell 2019/09/07
jvm
ãƒªãƒ³ã‚¯
JVMå…¥é–€ -ãƒ¡ãƒ¢ãƒªç®¡ç†ç·¨-
é–¢ã‚¸ãƒ£ãƒ'19 7æœˆåº¦ - connpass https://kanjava.connpass.com/event/134133/ ç™»å£‡è³‡æ–™
heavenshell 2019/07/24
jvm
ãƒªãƒ³ã‚¯
Pythonæ¨™æº–å®Ÿè£…ã‚ˆã‚Šé€Ÿã„ï¼ï¼ŸOracleãŒä½œã£ãŸGraalPythonã‚’Jythonãƒ»CPythonã¨ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ã—ã¦ã¿ãŸï¼ï¼ - Qiita
GraalVMãƒ»GraalPythonã¨ã¯ GraalVMã¯2018å¹´4æœˆ27æ—¥ã«Oracleã‹ã‚‰å…¬é–‹ã•ã‚ŒãŸä»®æƒ³ãƒžã‚·ãƒ³ã§ã™ï¼Ž GraalVM is a universal virtual machine for running applications written in JavaScript, Python, Ruby, R, JVM-based languages like Java, Scala, Clojure, Kotlin, and LLVM-based languages such as C and C++. GraalVMã¯JavaScript,Python,Ruby,R,Javaã‚„Scala,Clojure,Kotlinã®ã‚ˆã†ãªJVMãƒ™ãƒ¼ã‚¹ã®è¨€èªžï¼ŒCã‚„C++ã®ã‚ˆã†ãªLLVMãƒ™ãƒ¼ã‚¹ã®è¨€èªžã§æ›¸ã‹ã‚ŒãŸã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚’å‹•ã‹ã™ãŸã‚ã®ä»®æƒ³ãƒžã‚·ãƒ³ã§ã™ï¼Ž ã¡ã‚‡ã£ã¨ä½•ã‚’è¨€ã£ã¦ã‚‹ã‹ã‚ã‹ã‚‰
heavenshell 2018/11/07
python

jvm
ãƒªãƒ³ã‚¯
JVMä¸Šã§ã®ã‚¹ãƒˆãƒªãƒ¼ãƒ å‡¦ç†ã‚¨ãƒ³ã‚¸ãƒ³ã®å¤‰é·
Web Framework Benchmarksã¨ Perl ã®ç¾çŠ¶å ±å‘Šä¼š YAPC::Asia Tokyo 2014 LT
heavenshell 2016/05/25
jvm

stream
ãƒªãƒ³ã‚¯
JDK9 æ–°æ©Ÿèƒ½ (æ—¥æœ¬èªžï¼†ã‚·ãƒ§ãƒ¼ãƒˆãƒãƒ¼ã‚¸ãƒ§ãƒ³) #jjug
Shortener and Japanese translation version of http://www.slideshare.net/YujiKubota/jdk9-features-31jul2015-jjug .
heavenshell 2015/08/11
jvm
ãƒªãƒ³ã‚¯
Javaã®ãƒ—ãƒã‚°ãƒ©ãƒ ã¯ã©ã†ã‚„ã£ã¦å‹•ã„ã¦ã„ã‚‹ã®? JVMç·¨
GKE ã«é£›ã‚“ã§ãã‚‹ãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ã‚’ è‡ªç”±è‡ªåœ¨ã«æ“ã‚‹åŠ› | ç¬¬ 10 å›ž Google Cloud INSIDE Games & Apps Online
heavenshell 2015/04/26
jvm

java
ãƒªãƒ³ã‚¯
CMS GC ãŠã•ã‚‰ã„ - unnamed
ã“ã®è¨˜äº‹ã¯ Java Advent Calendar 2014 ã®ä¸€æ—¥ç›®ã®è¨˜äº‹ã§ã™ã€‚ å…ˆæ—¥ã® JJUG CCC 2014 Fall ã§ CMS GC ã«ã¤ã„ã¦è©±ã—ã¦ãã¾ã—ãŸã€‚ çµæ§‹é…ã‚ã®æ™‚é–“å¸¯ã«ã‚‚é–¢ã‚ã‚‰ãšã€200äººè¦æ¨¡ã®éƒ¨å±‹ãŒã„ã£ã±ã„ã«åŸ‹ã¾ã‚‹ãã‚‰ã„ã®ç››æ³æŒ¯ã‚Šã§ã€ã¿ãªã•ã‚“GCã«ãŠå›°ã‚Šãªã‚“ã ãªã‚ã¨å®Ÿæ„Ÿã—ã¾ã—ãŸã€‚ã‚¹ãƒ©ã‚¤ãƒ‰ã¯ä»¥ä¸‹ã«å…¬é–‹ã—ã¦ã„ã¾ã™ã€‚CMS GC ã®æŒ™å‹•ã‹ã‚‰ GC ãƒã‚°ã®èªã¿æ–¹ã€ã©ã†ã„ã†ã‚±ãƒ¼ã‚¹ãŒåŽ„ä»‹ãªã®ã‹ã‚’ç´¹ä»‹ã—ã¦ã„ã‚‹ã®ã§æ˜¯éžã”è¦§ãã ã•ã„ï¼ Concurrent Mark-Sweep Garbage Collection #jjug_ccc from Yuji Kubota å¬‰ã—ã„ã“ã¨ã«ã‚»ãƒƒã‚·ãƒ§ãƒ³ã®åå¿œã¯è‰¯ã‹ã£ãŸã®ã§ã™ãŒã€ã€Œé…ã‚ã®æ™‚é–“å¸¯ã§é ã‚‚ç–²ã‚Œã¦ã‚‹ã¨ã‚¬ãƒè©±è¾›ã„ã€ã¨ã„ã†å£°ã‚‚ã‚ã£ãŸã®ã§ã€ä»Šå›žã¯ CMS GC ã«ã¤ã„ã¦æ¯”è¼ƒçš„é‡è¦ãªç‚¹ã«ã¤ã„ã¦ã ã‘ç°¡å˜ã«ãŠã•ã‚‰ã„ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã«
heavenshell 2015/04/22
jvm
ãƒªãƒ³ã‚¯
ãƒšãƒ¼ã‚¸ãŒè¦‹ã¤ã‹ã‚Šã¾ã›ã‚“ | æ—¥æœ¬HP
ãƒšãƒ¼ã‚¸ãŒè¦‹ã¤ã‹ã‚Šã¾ã›ã‚“ã€‚ ç›®çš„ã®ãƒšãƒ¼ã‚¸ã¯ã€ç§»å‹•ã¾ãŸã¯å‰Šé™¤ã«ã‚ˆã£ã¦ç„¡åŠ¹ã«ãªã£ã¦ã„ã‚‹å¯èƒ½æ€§ãŒã‚ã‚Šã¾ã™ã€‚ç”³ã—è¨³ã‚ã‚Šã¾ã›ã‚“ãŒã€æ¤œç´¢ã¾ãŸã¯ãƒªãƒ³ã‚¯å…ˆã‚ˆã‚ŠãŠæŽ¢ã—ãã ã•ã„ã€‚
heavenshell 2015/04/07
jvm
ãƒªãƒ³ã‚¯
ãµã‚ã£ã¨ JVM ã®ãƒ’ãƒ¼ãƒ—é ˜åŸŸç›£è¦–ã«ã¤ã„ã¦è€ƒãˆã‚‹ - ã‚ˆã†ã¸ã„ã®æ—¥ã€…ç²¾é€²XP
ã©ã‚‚ã€ã‹ã£ã±ã§ã™ã€‚ ã¯ã˜ã‚ã« Java ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚’é‹ç”¨ã™ã‚‹ä¸Šã§ã¯é¿ã‘ã¦é€šã‚Œãªã„ã§ã‚ã‚ã†ãƒ’ãƒ¼ãƒ—é ˜åŸŸã®ç›£è¦–ã«ã¤ã„ã¦ãƒ•ãƒ¯ãƒƒã¨è€ƒãˆã¦ã¿ãŸ JVM ã«ã¯å¹¾ã¤ã‹é ˜åŸŸãŒã‚ã‚‹ãŒãƒ’ãƒ¼ãƒ—é ˜åŸŸã«ç„¦ç‚¹ã‚’å½“ã¦ã‚‹ å‚è€ƒ http://www.whit emark.co.jp/tec/java/javaHeap.html http://www.whit emark.co.jp/tec/java/javagc.html http://d.hatena.ne.jp/ogin_s57/20120623/1340463194 http://d.hatena.ne.jp/ogin_s57/20120709/1341836704 https://docs.oracle.com/javase/jp/1.5.0/guide/management/agent.html http://chonaso.hatena blog.com/en
heavenshell 2015/04/07
jvm
ãƒªãƒ³ã‚¯
[ãƒ¡ãƒ¢]CMS GCãƒã‚°ã®è¦‹æ–¹ - Akira's Tech Notes
package test.example; import javax.jws.WebMethod; import javax.jws.WebParam; import javax.jws.WebService; import javax.jws.soap.SOAPBinding; @WebService @SOAPBinding(style = SOAPBinding.Style.DOCUMENT, use = SOAPBinding.Use.LITERAL, parameterStyle = SOAPBinding.ParameterStyle.WRAPPED) public class HelloWorld { @WebMethod(action = "sayHello") public String sayHello(@WebParam(name = "name" ) String
heavenshell 2015/04/07
jvm
ãƒªãƒ³ã‚¯
CentOS 6ã«ãªã£ãŸã‚‰Tomcatã®JVMãŒä»®æƒ³ãƒ¡ãƒ¢ãƒªã‚’å¤§é‡ã«ç¢ºä¿ã™ã‚‹ã‚ˆã†ã«ãªã£ãŸ
CentOS 6ã«ãªã£ãŸã‚‰Tomcatã®JVMãŒä»®æƒ³ãƒ¡ãƒ¢ãƒªã‚’å¤§é‡ã«ç¢ºä¿ã™ã‚‹ã‚ˆã†ã«ãªã£ãŸ 2013-11-19 CentOS 5+Tomcat 7+JDK 7+Apacheã¨ã„ã†çµ„ã¿åˆã‚ã›ã§å‹•ã‹ã—ã¦ã„ãŸã‚µãƒ¼ãƒç¾¤ã«ã€OSã ã‘CentOS 6ã«ã—ã¦ãƒŸãƒ‰ãƒ«ã‚¦ã‚§ã‚¢ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã¯å¤‰ãˆãªã„ã‚µãƒ¼ãƒã‚’ä½•å°ã‹è¿½åŠ ã—ãŸã¨ã“ã‚ã€CentOS 6ã®æ–¹ãŒã€TomcatãŒç¢ºä¿ã—ã¦ã„ã‚‹ä»®æƒ³ãƒ¡ãƒ¢ãƒªé‡ãŒåœ§å€’çš„ã«ã§ã‹ã„ã“ã¨ã«æ°—ã¥ã„ãŸã€‚ ã¡ãªã¿ã«ã€ã©ã¡ã‚‰ã®ã‚µãƒ¼ãƒã‚‚ãƒ’ãƒ¼ãƒ—ã‚µã‚¤ã‚ºã¯ã€Œ-Xmn1024m -Xmx2048m -Xms2048mã€ã¨ãªã£ã¦ãŠã‚Šã€æœ¬æ¥ãªã‚‰2GBãƒ—ãƒ©ã‚¹ã‚¢ãƒ«ãƒ•ã‚¡(ã‚³ãƒ¼ãƒ‰ã‚ãƒ£ãƒƒã‚·ãƒ¥ä»–ã®é ˜åŸŸåˆ†)ã—ã‹ãƒ¡ãƒ¢ãƒªã¯é£Ÿã‚ãªã„ã¯ãšã ã€‚ã‚‚ã¡ã‚ã‚“ã€ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã§ã¯ã©ã¡ã‚‰ã®ã‚µãƒ¼ãƒã«ã‚‚åŒã˜é‡ã¿ã§ã‚¢ã‚¯ã‚»ã‚¹ã‚’æµã—ã¦ã„ãŠã‚Šã€è² è·ã¯åŒã˜ã®ã¯ãšã€‚ CentOS 5ã®ã‚µãƒ¼ãƒ ã“ã¡ã‚‰ã¯ã–ã£ãã‚Š3GBå¼±ã®ä»®æƒ³ãƒ¡ãƒ¢ãƒªã‚’ç¢ºä¿ã—ã¦ã„ã‚‹ã¨å‡ºã¦ã„ã‚‹(å·¦ã‹ã‚‰5
heavenshell 2015/04/06
linux

jvm
ãƒªãƒ³ã‚¯
Norikraã®JVMãƒãƒ¥ãƒ¼ãƒ³ã§è‹¦åŠ´ã—ã¦ã„ã‚‹è©±
Web Framework Benchmarksã¨ Perl ã®ç¾çŠ¶å ±å‘Šä¼š YAPC::Asia Tokyo 2014 LT
heavenshell 2015/04/06
jvm
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heavenshell 2014/07/30
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