| '\" t |
| .\" Copyright (c) 1994, 2014, Oracle and/or its affiliates. All rights reserved. |
| .\" DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| .\" |
| .\" This code is free software; you can redistribute it and/or modify it |
| .\" under the terms of the GNU General Public License version 2 only, as |
| .\" published by the Free Software Foundation. |
| .\" |
| .\" This code is distributed in the hope that it will be useful, but WITHOUT |
| .\" ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| .\" FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| .\" version 2 for more details (a copy is included in the LICENSE file that |
| .\" accompanied this code). |
| .\" |
| .\" You should have received a copy of the GNU General Public License version |
| .\" 2 along with this work; if not, write to the Free Software Foundation, |
| .\" Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| .\" |
| .\" Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| .\" or visit www.oracle.com if you need additional information or have any |
| .\" questions. |
| .\" |
| .\" Title: java |
| .\" Language: Japanese |
| .\" Date: 2015ǯ3·î3Æü |
| .\" SectDesc: ´ðËܥġ¼¥ë |
| .\" Software: JDK 8 |
| .\" Arch: ÈÆÍÑ |
| .\" Part Number: E58103-01 |
| .\" Doc ID: JSSON |
| .\" |
| .if n .pl 99999 |
| .TH "java" "1" "2015ǯ3·î3Æü" "JDK 8" "´ðËܥġ¼¥ë" |
| .\" ----------------------------------------------------------------- |
| .\" * Define some portability stuff |
| .\" ----------------------------------------------------------------- |
| .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| .\" http://bugs.debian.org/507673 |
| .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html |
| .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| .ie \n(.g .ds Aq \(aq |
| .el .ds Aq ' |
| .\" ----------------------------------------------------------------- |
| .\" * set default formatting |
| .\" ----------------------------------------------------------------- |
| .\" disable hyphenation |
| .nh |
| .\" disable justification (adjust text to left margin only) |
| .ad l |
| .\" ----------------------------------------------------------------- |
| .\" * MAIN CONTENT STARTS HERE * |
| .\" ----------------------------------------------------------------- |
| .SH "̾Á°" |
| java \- Java¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¤òµ¯Æ°¤·¤Þ¤¹¡£ |
| .SH "³µÍ×" |
| .sp |
| .if n \{\ |
| .RS 4 |
| .\} |
| .nf |
| \fBjava\fR [\fIoptions\fR] \fIclassname\fR [\fIargs\fR] |
| .fi |
| .if n \{\ |
| .RE |
| .\} |
| .sp |
| .if n \{\ |
| .RS 4 |
| .\} |
| .nf |
| \fBjava\fR [\fIoptions\fR] \fB\-jar\fR \fIfilename\fR [\fIargs\fR] |
| .fi |
| .if n \{\ |
| .RE |
| .\} |
| .PP |
| \fIoptions\fR |
| .RS 4 |
| ¶õÇò¤Ç¶èÀÚ¤é¤ì¤¿¥³¥Þ¥ó¥É¹Ô¥ª¥×¥·¥ç¥ó¡£¥ª¥×¥·¥ç¥ó¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£ |
| .RE |
| .PP |
| \fIclassname\fR |
| .RS 4 |
| µ¯Æ°¤¹¤ë¥¯¥é¥¹¤Î̾Á°¡£ |
| .RE |
| .PP |
| \fIfilename\fR |
| .RS 4 |
| ¸Æ¤Ó½Ð¤µ¤ì¤ëJava¥¢¡¼¥«¥¤¥Ö(JAR)¥Õ¥¡¥¤¥ë¤Î̾Á°¡£\fB\-jar\fR¥ª¥×¥·¥ç¥ó¤È°ì½ï¤Ë¤Î¤ß»ÈÍѤ·¤Þ¤¹¡£ |
| .RE |
| .PP |
| \fIargs\fR |
| .RS 4 |
| ¶õÇò¤Ç¶èÀÚ¤é¤ì¤¿\fBmain()\fR¥á¥½¥Ã¥É¤ËÅϤµ¤ì¤ë°ú¿ô¡£ |
| .RE |
| .SH "ÀâÌÀ" |
| .PP |
| \fBjava\fR¥³¥Þ¥ó¥É¤ÏJava¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¤ò³«»Ï¤·¤Þ¤¹¡£Java Runtime Environment (JRE)¤òµ¯Æ°¤·¤¿¸å¡¢»ØÄꤷ¤¿¥¯¥é¥¹¤ò¥í¡¼¥É¤·¡¢¤½¤Î¥¯¥é¥¹¤Î\fBmain()\fR¥á¥½¥Ã¥É¤ò¸Æ¤Ó½Ð¤¹¤³¤È¤Ë¤è¤ê¡¢¤³¤ì¤ò¹Ô¤¤¤Þ¤¹¡£¤³¤Î¥á¥½¥Ã¥É¤Ï¡¢\fIpublic\fR¤ª¤è¤Ó\fIstatic\fR¤È¤·¤ÆÀë¸À¤¹¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£¤Þ¤¿¡¢ÃͤÏÊÖ¤»¤Þ¤»¤ó¡£¤µ¤é¤Ë¡¢\fBString\fRÇÛÎó¤ò¥Ñ¥é¥á¡¼¥¿¤È¤·¤Æ»ØÄê¤Ç¤¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£¥á¥½¥Ã¥ÉÀë¸À¤Ï¼¡¤Î·Á¼°¤ò´Þ¤ß¤Þ¤¹¡£ |
| .sp |
| .if n \{\ |
| .RS 4 |
| .\} |
| .nf |
| \fBpublic static void main(String[] args)\fR |
| |
| .fi |
| .if n \{\ |
| .RE |
| .\} |
| .PP |
| \fBjava\fR¥³¥Þ¥ó¥É¤ò»ÈÍѤ·¤Æ¡¢\fBmain()\fR¥á¥½¥Ã¥É¤¬¤¢¤ë¤«\fBjavafx\&.application\&.Application\fR¤ò³ÈÄ¥¤¹¤ë¥¯¥é¥¹¤ò¥í¡¼¥É¤¹¤ë¤³¤È¤Ç¡¢JavaFX¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¤òµ¯Æ°¤Ç¤¤Þ¤¹¡£¸å¼Ô¤Î¾ì¹ç¡¢µ¯Æ°¥Ä¡¼¥ë¤Ï\fBApplication\fR¥¯¥é¥¹¤Î¥¤¥ó¥¹¥¿¥ó¥¹¤ò¹½À®¤·¡¢¤½¤Î\fBinit()\fR¥á¥½¥Ã¥É¤ò¥³¡¼¥ë¤·¡¢\fBstart(javafx\&.stage\&.Stage)\fR¥á¥½¥Ã¥É¤ò¥³¡¼¥ë¤·¤Þ¤¹¡£ |
| .PP |
| ¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢\fBjava\fR¥³¥Þ¥ó¥É¤Î¥ª¥×¥·¥ç¥ó¤Ç¤Ï¤Ê¤¤ºÇ½é¤Î°ú¿ô¤Ï¡¢¸Æ¤Ó½Ð¤µ¤ì¤ë¥¯¥é¥¹¤Î´°Á´½¤¾þ̾¤Ç¤¹¡£\fB\-jar\fR¥ª¥×¥·¥ç¥ó¤ò»ØÄꤷ¤¿¾ì¹ç¡¢¤½¤Î°ú¿ô¤Ï¡¢¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¤Î¥¯¥é¥¹¡¦¥Õ¥¡¥¤¥ë¤È¥ê¥½¡¼¥¹¡¦¥Õ¥¡¥¤¥ë¤ò´Þ¤àJAR¥Õ¥¡¥¤¥ë¤Î̾Á°¤Ë¤Ê¤ê¤Þ¤¹¡£µ¯Æ°¥¯¥é¥¹¤Ï¡¢¥½¡¼¥¹¡¦¥³¡¼¥É¤Î\fBMain\-Class\fR¥Þ¥Ë¥Õ¥§¥¹¥È¡¦¥Ø¥Ã¥À¡¼¤Ë¤è¤Ã¤Æ»ØÄꤵ¤ì¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£ |
| .PP |
| JRE¤Ï¡¢¥Ö¡¼¥È¥¹¥È¥é¥Ã¥×¡¦¥¯¥é¥¹¡¦¥Ñ¥¹¡¢¥¤¥ó¥¹¥È¡¼¥ëºÑ³ÈÄ¥µ¡Ç½¤ª¤è¤Ó¥æ¡¼¥¶¡¼¤Î¥¯¥é¥¹¡¦¥Ñ¥¹¤Î3²Õ½ê¤«¤é¡¢µ¯Æ°¥¯¥é¥¹(¤ª¤è¤Ó¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¤Ç»ÈÍѤµ¤ì¤Æ¤¤¤ë¾¤Î¥¯¥é¥¹)¤ò¸¡º÷¤·¤Þ¤¹¡£ |
| .PP |
| ¥¯¥é¥¹¡¦¥Õ¥¡¥¤¥ë̾¤Þ¤¿¤ÏJAR¥Õ¥¡¥¤¥ë̾¤Î¸å¤Î°ú¿ô¤Ï¡¢\fBmain()\fR¥á¥½¥Ã¥É¤ËÅϤµ¤ì¤Þ¤¹¡£ |
| .SH "¥ª¥×¥·¥ç¥ó" |
| .PP |
| \fBjava\fR¥³¥Þ¥ó¥É¤Ï¡¢¼¡¤Î¥«¥Æ¥´¥ê¤ËʬÎà¤Ç¤¤ë¹ÈϤʥª¥×¥·¥ç¥ó¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Þ¤¹¡£ |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| ɸ½à¥ª¥×¥·¥ç¥ó |
| .RE |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| Èóɸ½à¥ª¥×¥·¥ç¥ó |
| .RE |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| ¹âÅ٤ʥé¥ó¥¿¥¤¥à¡¦¥ª¥×¥·¥ç¥ó |
| .RE |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| ¹âÅÙ¤ÊJIT¥³¥ó¥Ñ¥¤¥é¡¦¥ª¥×¥·¥ç¥ó |
| .RE |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| ¹âÅ٤ʥµ¡¼¥Ó¥¹¥¢¥Ó¥ê¥Æ¥£¡¦¥ª¥×¥·¥ç¥ó |
| .RE |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| ¹âÅ٤ʥ¬¥Ù¡¼¥¸¡¦¥³¥ì¥¯¥·¥ç¥ó¡¦¥ª¥×¥·¥ç¥ó |
| .RE |
| .PP |
| ɸ½à¤Î¥ª¥×¥·¥ç¥ó¤Ï¡¢Java Virtual Machine (JVM)¤Î¤¹¤Ù¤Æ¤Î¼ÂÁõ¤Ç¥µ¥Ý¡¼¥È¤¹¤ë¤³¤È¤¬Êݾڤµ¤ì¤Þ¤¹¡£¤³¤ì¤é¤Ï¡¢JRE¤Î¥Ð¡¼¥¸¥ç¥ó¤Î³Îǧ¡¢¥¯¥é¥¹¡¦¥Ñ¥¹¤ÎÀßÄê¡¢¾éĹ¤Ê½ÐÎϤÎ͸ú²½¤Ê¤É¤Î°ìÈÌŪ¤Ê¥¢¥¯¥·¥ç¥ó¤Ë»ÈÍѤµ¤ì¤Þ¤¹¡£ |
| .PP |
| ɸ½à°Ê³°¤Î¥ª¥×¥·¥ç¥ó¤Ï¡¢Java HotSpot²¾ÁÛ¥Þ¥·¥ó¤Ë¸ÇͤÎÈÆÍÑ¥ª¥×¥·¥ç¥ó¤Ç¤¢¤ë¤¿¤á¡¢¤¹¤Ù¤Æ¤ÎJVM¼ÂÁõ¤Ç¥µ¥Ý¡¼¥È¤µ¤ì¤ë¤³¤È¤ÏÊݾڤµ¤ì¤º¡¢Êѹ¹¤µ¤ì¤ë²ÄǽÀ¤¬¤¢¤ê¤Þ¤¹¡£¤³¤ì¤é¤Î¥ª¥×¥·¥ç¥ó¤Ï\fB\-X\fR¤Ç³«»Ï¤·¤Þ¤¹¡£ |
| .PP |
| ³ÈÄ¥¥ª¥×¥·¥ç¥ó¤Ï¡¢ÉÔÍѰդ˻ÈÍѤ·¤Ê¤¤¤³¤È¤ò¤ªÁ¦¤á¤·¤Þ¤¹¡£¤³¤ì¤é¤Ï¡¢ÆÃÄê¤Î¥·¥¹¥Æ¥àÍ×·ï¤ò»ý¤Ä¤³¤È¤¬Â¿¤¯¡¢¥·¥¹¥Æ¥à¹½À®¥Ñ¥é¥á¡¼¥¿¤Ø¤ÎÆø¢¥¢¥¯¥»¥¹¤¬É¬Íפʾì¹ç¤¬¤¢¤ëJava HotSpot²¾ÁÛ¥Þ¥·¥óÁàºî¤ÎÆÃÄê¤ÎÎΰè¤òÄ´À°¤¹¤ë¤¿¤á¤Ë»ÈÍѤµ¤ì¤ë³«È¯¼Ô¥ª¥×¥·¥ç¥ó¤Ç¤¹¡£¤³¤ì¤é¤Ï¡¢¤¹¤Ù¤Æ¤ÎJVM¼ÂÁõ¤Ç¥µ¥Ý¡¼¥È¤µ¤ì¤ë¤³¤È¤ÏÊݾڤµ¤ì¤º¡¢Êѹ¹¤µ¤ì¤ë²ÄǽÀ¤¬¤¢¤ê¤Þ¤¹¡£³ÈÄ¥¥ª¥×¥·¥ç¥ó¤Ï\fB\-XX\fR¤Ç»Ï¤Þ¤ê¤Þ¤¹¡£ |
| .PP |
| ºÇ¿·¥ê¥ê¡¼¥¹¤ÇÈó¿ä¾©¤Þ¤¿¤Ïºï½ü¤µ¤ì¤ë¥ª¥×¥·¥ç¥ó¤òÄÉÀפ¹¤ë¤¿¤á¤Ë¡¢¥É¥¥å¥á¥ó¥È¤ÎºÇ¸å¤ËÈó¿ä¾©¤Çºï½ü¤µ¤ì¤¿¥ª¥×¥·¥ç¥ó¤È¤¤¤¦Ì¾Á°¤Î¥»¥¯¥·¥ç¥ó¤¬¤¢¤ê¤Þ¤¹¡£ |
| .PP |
| ¥Ö¡¼¥ë¡¦¥ª¥×¥·¥ç¥ó¤Ï¡¢¥Ç¥Õ¥©¥ë¥È¤Ç̵¸ú¤Ë¤Ê¤Ã¤Æ¤¤¤ëµ¡Ç½¤ò͸ú¤Ë¤·¤¿¤ê¡¢¥Ç¥Õ¥©¥ë¥È¤Ç͸ú¤Ë¤Ê¤Ã¤Æ¤¤¤ëµ¡Ç½¤ò̵¸ú¤Ë¤¹¤ë¤¿¤á¤Ë»ÈÍѤµ¤ì¤Þ¤¹¡£¤³¤Î¤è¤¦¤Ê¥ª¥×¥·¥ç¥ó¤Ï¡¢¥Ñ¥é¥á¡¼¥¿¤òɬÍפȤ·¤Þ¤»¤ó¡£¥Ö¡¼¥ëÃÍ\fB\-XX\fR¥ª¥×¥·¥ç¥ó¤Ï¡¢¥×¥é¥¹µ¹æ(\fB\-XX:+\fR\fIOptionName\fR)¤ò»ÈÍѤ·¤Æ͸ú¤Ë¤·¡¢¥Þ¥¤¥Ê¥¹µ¹æ(\fB\-XX:\-\fR\fIOptionName\fR)¤ò»ÈÍѤ·¤Æ̵¸ú¤Ë¤·¤Þ¤¹¡£ |
| .PP |
| °ú¿ô¤¬É¬Íפʥª¥×¥·¥ç¥ó¤Î¾ì¹ç¡¢°ú¿ô¤Ï¡¢¥ª¥×¥·¥ç¥ó̾¤ò¶õÇò¡¢¥³¥í¥ó(:)¤Þ¤¿¤ÏÅù¹æ(=)¤Ç¶èÀڤ俤â¤Î¤Ë¤Ê¤ë¤«¡¢¤¢¤ë¤¤¤Ï°ú¿ô¤¬¥ª¥×¥·¥ç¥ó¤Î¸å¤ËľÀܳ¤¯¾ì¹ç¤â¤¢¤ê¤Þ¤¹(Àµ³Î¤Ê¹½Ê¸¤Ï³Æ¥ª¥×¥·¥ç¥ó¤Ë¤è¤Ã¤Æ°Û¤Ê¤ê¤Þ¤¹)¡£¥µ¥¤¥º¤ò¥Ð¥¤¥Èñ°Ì¤Ç»ØÄꤹ¤ë¤è¤¦µá¤á¤é¤ì¤Æ¤¤¤ë¾ì¹ç¡¢ÀÜÈø¼¤ò»ÈÍѤ·¤Ê¤¤¤«¡¢¤¢¤ë¤¤¤Ï¥¥í¥Ð¥¤¥È(KB)¤Ë¤ÏÀÜÈø¼\fBk\fR¤Þ¤¿¤Ï\fBK\fR¡¢¥á¥¬¥Ð¥¤¥È(MB)¤Ë¤ÏÀÜÈø¼\fBm\fR¤Þ¤¿¤Ï\fBM\fR¡¢¥®¥¬¥Ð¥¤¥È(GB)¤Ë¤ÏÀÜÈø¼\fBg\fR¤Þ¤¿¤Ï\fBG\fR¤ò»ÈÍѤ·¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡¢¥µ¥¤¥º¤ò8GB¤ËÀßÄꤹ¤ë¤Ë¤Ï¡¢\fB8g\fR¡¢\fB8192m\fR¡¢\fB8388608k\fR¤Þ¤¿¤Ï\fB8589934592\fR¤Î¤¤¤º¤ì¤«¤ò°ú¿ô¤È¤·¤Æ»ØÄê¤Ç¤¤Þ¤¹¡£¥Ñ¡¼¥»¥ó¥È¤Î»ØÄ꤬ɬÍפʾì¹ç¤Ï¡¢0¤«¤é1¤Î¿ôÃͤò»ÈÍѤ·¤Þ¤¹(¤¿¤È¤¨¤Ð¡¢25%¤Î¾ì¹ç¤Ï\fB0\&.25\fR¤ò»ØÄꤷ¤Þ¤¹)¡£ |
| .SS "ɸ½à¥ª¥×¥·¥ç¥ó" |
| .PP |
| ¤³¤ì¤é¤Ï¡¢JVM¤Î¤¹¤Ù¤Æ¤Î¼ÂÁõ¤Ç¥µ¥Ý¡¼¥È¤µ¤ì¤ëºÇ¤â°ìÈÌŪ¤Ë»ÈÍѤµ¤ì¤ë¥ª¥×¥·¥ç¥ó¤Ç¤¹¡£ |
| .PP |
| \-agentlib:\fIlibname\fR[=\fIoptions\fR] |
| .RS 4 |
| »ØÄꤷ¤¿¥Í¥¤¥Æ¥£¥Ö¡¦¥¨¡¼¥¸¥§¥ó¥È¡¦¥é¥¤¥Ö¥é¥ê¤ò¥í¡¼¥É¤·¤Þ¤¹¡£¥é¥¤¥Ö¥é¥ê̾¤Î¸å¤Ë¡¢¥é¥¤¥Ö¥é¥ê¤Ë¸ÇͤΥª¥×¥·¥ç¥ó¤Î¥«¥ó¥Þ¶èÀÚ¤ê¥ê¥¹¥È¤ò»ÈÍѤǤ¤Þ¤¹¡£ |
| .sp |
| ¥ª¥×¥·¥ç¥ó\fB\-agentlib:foo\fR¤ò»ØÄꤷ¤¿¾ì¹ç¡¢JVM¤Ï¡¢\fBLD_LIBRARY_PATH\fR¥·¥¹¥Æ¥àÊÑ¿ô(OS X¤Ç¤Ï¡¢¤³¤ÎÊÑ¿ô¤Ï\fBDYLD_LIBRARY_PATH\fR¤Ë¤Ê¤ê¤Þ¤¹)¤Ç»ØÄꤵ¤ì¤¿¾ì½ê¤Ë\fBlibfoo\&.so\fR¤È¤¤¤¦Ì¾Á°¤Î¥é¥¤¥Ö¥é¥ê¤ò¥í¡¼¥É¤·¤è¤¦¤È¤·¤Þ¤¹¡£ |
| .sp |
| ¼¡¤ÎÎã¤Ç¤Ï¡¢¥¹¥¿¥Ã¥¯¤Î¿¼¤µ3¤Ç¡¢20¥ß¥êÉ䴤Ȥ˥ҡ¼¥×¡¦¥×¥í¥Õ¥¡¥¤¥ê¥ó¥°¡¦¥Ä¡¼¥ë(HPROF)¥é¥¤¥Ö¥é¥ê¤ò¥í¡¼¥É¤·¤Æ¡¢¥µ¥ó¥×¥ë¤ÎCPU¾ðÊó¤ò¼èÆÀ¤¹¤ëÊýË¡¤ò¼¨¤·¤Þ¤¹¡£ |
| .sp |
| .if n \{\ |
| .RS 4 |
| .\} |
| .nf |
| \fB\-agentlib:hprof=cpu=samples,interval=20,depth=3\fR |
| |
| .fi |
| .if n \{\ |
| .RE |
| .\} |
| ¼¡¤ÎÎã¤Ç¤Ï¡¢¥á¥¤¥ó¡¦¥¯¥é¥¹¤Î¥í¡¼¥ÉÁ°¤ËJVM¤ò°ì»þÄä»ß¤·¤Æ¡¢Java¥Ç¥Ð¥Ã¥°¡¦¥ï¥¤¥ä¡¦¥×¥í¥È¥³¥ë(JDWP)¥é¥¤¥Ö¥é¥ê¤ò¥í¡¼¥É¤·¤Æ¡¢¥Ý¡¼¥È8000¤Ç¤Î¥½¥±¥Ã¥ÈÀܳÍѤ˥ꥹ¥Ë¥ó¥°¤¹¤ëÊýË¡¤ò¼¨¤·¤Þ¤¹¡£ |
| .sp |
| .if n \{\ |
| .RS 4 |
| .\} |
| .nf |
| \fB\-agentlib:jdwp=transport=dt_socket,server=y,address=8000\fR |
| |
| .fi |
| .if n \{\ |
| .RE |
| .\} |
| ¥Í¥¤¥Æ¥£¥Ö¡¦¥¨¡¼¥¸¥§¥ó¥È¡¦¥é¥¤¥Ö¥é¥ê¤Î¾ÜºÙ¤Ï¡¢¼¡¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£ |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| http://docs\&.oracle\&.com/javase/8/docs/api/java/lang/instrument/package\-summary\&.html¤Ë¤¢¤ë\fBjava\&.lang\&.instrument\fR¥Ñ¥Ã¥±¡¼¥¸¤ÎÀâÌÀ |
| .RE |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| http://docs\&.oracle\&.com/javase/8/docs/platform/jvmti/jvmti\&.html#starting¤Ë¤¢¤ëJVM¥Ä¡¼¥ë¡¦¥¤¥ó¥¿¥Õ¥§¡¼¥¹¡¦¥¬¥¤¥É¤Î¥¨¡¼¥¸¥§¥ó¥È¤Î¥³¥Þ¥ó¥É¹Ô¥ª¥×¥·¥ç¥ó¤Ë´Ø¤¹¤ë¹à |
| .RE |
| .RE |
| .PP |
| \-agentpath:\fIpathname\fR[=\fIoptions\fR] |
| .RS 4 |
| ÀäÂХѥ¹Ì¾¤Ç»ØÄꤵ¤ì¤¿¥Í¥¤¥Æ¥£¥Ö¡¦¥¨¡¼¥¸¥§¥ó¥È¡¦¥é¥¤¥Ö¥é¥ê¤ò¥í¡¼¥É¤·¤Þ¤¹¡£¤³¤Î¥ª¥×¥·¥ç¥ó¤Ï\fB\-agentlib\fR¤ÈƱÅù¤Ç¤¹¤¬¡¢¥é¥¤¥Ö¥é¥ê¤Î¥Õ¥ë¡¦¥Ñ¥¹¤ª¤è¤Ó¥Õ¥¡¥¤¥ë̾¤ò»ÈÍѤ·¤Þ¤¹¡£ |
| .RE |
| .PP |
| \-client |
| .RS 4 |
| Java HotSpot Client VM¤òÁªÂò¤·¤Þ¤¹¡£64¥Ó¥Ã¥È¡¦¥Ð¡¼¥¸¥ç¥ó¤ÎJava SE Development Kit (JDK)¤Ç¤Ï¡¢¸½ºß¡¢¤³¤Î¥ª¥×¥·¥ç¥ó¤Ï̵»ë¤µ¤ì¡¢¤«¤ï¤ê¤ËServer JVM¤¬»ÈÍѤµ¤ì¤Þ¤¹¡£ |
| .sp |
| ¥Ç¥Õ¥©¥ë¥È¤ÎJVMÁªÂò¤Ï¡¢http://docs\&.oracle\&.com/javase/8/docs/technotes/guides/vm/server\-class\&.html¤Ë¤¢¤ë |
| ¥µ¡¼¥Ð¡¼¥¯¥é¥¹¡¦¥Þ¥·¥ó¤Î¸¡½Ð¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£ |
| .RE |
| .PP |
| \-D\fIproperty\fR=\fIvalue\fR |
| .RS 4 |
| ¥·¥¹¥Æ¥à¡¦¥×¥í¥Ñ¥Æ¥£¤ÎÃͤòÀßÄꤷ¤Þ¤¹¡£\fIproperty\fRÊÑ¿ô¤Ï¡¢¥×¥í¥Ñ¥Æ¥£¤Î̾Á°¤òɽ¤¹¡¢¶õÇò¤Î¤Ê¤¤Ê¸»úÎó¤Ç¤¹¡£\fIvalue\fRÊÑ¿ô¤Ï¡¢¥×¥í¥Ñ¥Æ¥£¤ÎÃͤòɽ¤¹Ê¸»úÎó¤Ç¤¹¡£\fIvalue\fR¤¬¶õÇò¤ò´Þ¤àʸ»úÎó¤Î¾ì¹ç¡¢¤½¤ì¤ò°úÍÑÉä¤Ç°Ï¤ß¤Þ¤¹(Îã: |
| \fB\-Dfoo="foo bar"\fR)¡£ |
| .RE |
| .PP |
| \-d32 |
| .RS 4 |
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| .RE |
| .PP |
| \-d64 |
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| .sp |
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| .RE |
| .PP |
| \-disableassertions[:[\fIpackagename\fR]\&.\&.\&.|:\fIclassname\fR] |
| .br |
| \-da[:[\fIpackagename\fR]\&.\&.\&.|:\fIclassname\fR] |
| .RS 4 |
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| .sp |
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| .sp |
| \fB\-disableassertions\fR |
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| .sp |
| .if n \{\ |
| .RS 4 |
| .\} |
| .nf |
| \fBjava \-ea:com\&.wombat\&.fruitbat\&.\&.\&. \-da:com\&.wombat\&.fruitbat\&.Brickbat MyClass\fR |
| |
| .fi |
| .if n \{\ |
| .RE |
| .\} |
| .RE |
| .PP |
| \-disablesystemassertions |
| .br |
| \-dsa |
| .RS 4 |
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| .RE |
| .PP |
| \-enableassertions[:[\fIpackagename\fR]\&.\&.\&.|:\fIclassname\fR] |
| .br |
| \-ea[:[\fIpackagename\fR]\&.\&.\&.|:\fIclassname\fR] |
| .RS 4 |
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| .sp |
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| .sp |
| \fB\-enableassertions\fR |
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| .sp |
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| .sp |
| .if n \{\ |
| .RS 4 |
| .\} |
| .nf |
| \fBjava \-ea:com\&.wombat\&.fruitbat\&.\&.\&. \-da:com\&.wombat\&.fruitbat\&.Brickbat MyClass\fR |
| |
| .fi |
| .if n \{\ |
| .RE |
| .\} |
| .RE |
| .PP |
| \-enablesystemassertions |
| .br |
| \-esa |
| .RS 4 |
| ¤¹¤Ù¤Æ¤Î¥·¥¹¥Æ¥à¡¦¥¯¥é¥¹Æâ¤Ç¥¢¥µ¡¼¥·¥ç¥ó¤ò͸ú¤Ë¤·¤Þ¤¹¡£ |
| .RE |
| .PP |
| \-help |
| .br |
| \-? |
| .RS 4 |
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| .RE |
| .PP |
| \-jar \fIfilename\fR |
| .RS 4 |
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| .sp |
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| .sp |
| JAR¥Õ¥¡¥¤¥ë¤Î¾ÜºÙ¤Ï¡¢¼¡¤Î¥ê¥½¡¼¥¹¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£ |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| jar(1) |
| .RE |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
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| http://docs\&.oracle\&.com/javase/8/docs/technotes/guides/jar/index\&.html¤Ë¤¢¤ëJava¥¢¡¼¥«¥¤¥Ö(JAR)¥Õ¥¡¥¤¥ë¤Î¥¬¥¤¥É |
| .RE |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
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| http://docs\&.oracle\&.com/javase/tutorial/deployment/jar/index\&.html¤Ë¤¢¤ë |
| ¡Ö¥ì¥Ã¥¹¥ó: JAR¥Õ¥¡¥¤¥ë¤Î¥×¥í¥°¥é¥à¤Î¥Ñ¥Ã¥±¡¼¥¸²½¡× |
| .RE |
| .RE |
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| \-javaagent:\fIjarpath\fR[=\fIoptions\fR] |
| .RS 4 |
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| .RE |
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| \-jre\-restrict\-search |
| .RS 4 |
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| \-no\-jre\-restrict\-search |
| .RS 4 |
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| .RE |
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| \-server |
| .RS 4 |
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| .sp |
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| \-splash:\fIimgname\fR |
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| .sp |
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| .nf |
| \fB\-splash:images/splash\&.gif\fR |
| |
| .fi |
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| \-verbose:class |
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| \fB\-Xms6144k\fR |
| \fB\-Xms6m\fR |
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| .sp |
| .if n \{\ |
| .RS 4 |
| .\} |
| .nf |
| \fB\-XX:LargePageSizeInBytes=4m\fR |
| |
| .fi |
| .if n \{\ |
| .RE |
| .\} |
| .RE |
| .PP |
| \-XX:MaxDirectMemorySize=\fIsize\fR |
| .RS 4 |
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| .sp |
| .if n \{\ |
| .RS 4 |
| .\} |
| .nf |
| \fB\-XX:MaxDirectMemorySize=1m\fR |
| \fB\-XX:MaxDirectMemorySize=1024k\fR |
| \fB\-XX:MaxDirectMemorySize=1048576\fR |
| |
| .fi |
| .if n \{\ |
| .RE |
| .\} |
| .RE |
| .PP |
| \-XX:NativeMemoryTracking=\fImode\fR |
| .RS 4 |
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| .RS 4 |
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| \-XX:ObjectAlignmentInBytes=\fIalignment\fR |
| .RS 4 |
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| .sp |
| .if n \{\ |
| .RS 4 |
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| .nf |
| \fB\-XX:OnError="gcore %p;dbx \- %p"\fR |
| |
| .fi |
| .if n \{\ |
| .RE |
| .\} |
| .RE |
| .PP |
| \-XX:OnOutOfMemoryError=\fIstring\fR |
| .RS 4 |
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| .RE |
| .PP |
| \-XX:+PerfDataSaveToFile |
| .RS 4 |
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| .sp |
| .if n \{\ |
| .RS 4 |
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| .nf |
| \fBjstat \-class file:///\fR\fB\fI<path>\fR\fR\fB/hsperfdata_\fR\fB\fI<pid>\fR\fR |
| \fBjstat \-gc file:///\fR\fB\fI<path>\fR\fR\fB/hsperfdata_\fR\fB\fI<pid>\fR\fR |
| .fi |
| .if n \{\ |
| .RE |
| .\} |
| .RE |
| .PP |
| \-XX:+PrintCommandLineFlags |
| .RS 4 |
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| \-XX:+PrintNMTStatistics |
| .RS 4 |
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| \-XX:+ShowMessageBoxOnError |
| .RS 4 |
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| \-XX:ThreadStackSize=\fIsize\fR |
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| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| Linux/ARM (32¥Ó¥Ã¥È): 320KB |
| .RE |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| Linux/i386 (32¥Ó¥Ã¥È): 320KB |
| .RE |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| Linux/x64 (64¥Ó¥Ã¥È): 1024KB |
| .RE |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
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| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| OS X (64¥Ó¥Ã¥È): 1024KB |
| .RE |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
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| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
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| Oracle Solaris/i386 (32¥Ó¥Ã¥È): 320KB |
| .RE |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
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| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
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| Oracle Solaris/x64 (64¥Ó¥Ã¥È): 1024KB |
| .RE |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
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| .sp |
| .if n \{\ |
| .RS 4 |
| .\} |
| .nf |
| \fB\-XX:ThreadStackSize=1m\fR |
| \fB\-XX:ThreadStackSize=1024k\fR |
| \fB\-XX:ThreadStackSize=1048576\fR |
| |
| .fi |
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| ¤³¤Î¥ª¥×¥·¥ç¥ó¤Ï\fB\-Xss\fR¤ÈƱÅù¤Ç¤¹¡£ |
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| \-XX:+TraceClassLoading |
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| ¼¡¤ÎÎã¤Ç¤Ï¡¢¥¹¥ë¡¼¥×¥Ã¥È¤ÎºÇŬ²½¤Þ¤¿¤Ï¥ì¥¹¥Ý¥ó¥¹»þ´Ö¤Îû½Ì²½¤Î¤¤¤º¤ì¤«¤ò¹Ô¤¦¤¿¤á¤Î¡¢»î¸³Åª¤Ê¥Á¥å¡¼¥Ë¥ó¥°¡¦¥Õ¥é¥°¤Î»ÈÍÑÊýË¡¤ò¼¨¤·¤Þ¤¹¡£ |
| .PP |
| \fBÎã 1 \fR¥¹¥ë¡¼¥×¥Ã¥È¤ò¸þ¾å¤¹¤ë¤¿¤á¤Î¥Á¥å¡¼¥Ë¥ó¥° |
| .RS 4 |
| .sp |
| .if n \{\ |
| .RS 4 |
| .\} |
| .nf |
| \fBjava \-d64 \-server \-XX:+AggressiveOpts \-XX:+UseLargePages \-Xmn10g \-Xms26g \-Xmx26g\fR |
| |
| .fi |
| .if n \{\ |
| .RE |
| .\} |
| .RE |
| .PP |
| \fBÎã 2 \fR¥ì¥¹¥Ý¥ó¥¹»þ´Ö¤ò®¤¯¤¹¤ë¤¿¤á¤Î¥Á¥å¡¼¥Ë¥ó¥° |
| .RS 4 |
| .sp |
| .if n \{\ |
| .RS 4 |
| .\} |
| .nf |
| \fBjava \-d64 \-XX:+UseG1GC \-Xms26g Xmx26g \-XX:MaxGCPauseMillis=500 \-XX:+PrintGCTimeStamp\fR |
| |
| .fi |
| .if n \{\ |
| .RE |
| .\} |
| .RE |
| .SH "¥é¡¼¥¸¡¦¥Ú¡¼¥¸" |
| .PP |
| ¥Ò¥å¡¼¥¸¡¦¥Ú¡¼¥¸¤È¤â¸Æ¤Ð¤ì¤ë¥é¡¼¥¸¡¦¥Ú¡¼¥¸¤Ï¡¢É¸½à¤Î¥á¥â¥ê¡¼¡¦¥Ú¡¼¥¸¡¦¥µ¥¤¥º(¥×¥í¥»¥Ã¥µ¤ª¤è¤Ó¥ª¥Ú¥ì¡¼¥Æ¥£¥ó¥°¡¦¥·¥¹¥Æ¥à¤Ë¤è¤Ã¤Æ°Û¤Ê¤ê¤Þ¤¹)¤è¤ê¤Ï¤ë¤«¤ËÂ礤¤¥á¥â¥ê¡¼¡¦¥Ú¡¼¥¸¤Ç¤¹¡£¥é¡¼¥¸¡¦¥Ú¡¼¥¸¤Ï¡¢¥×¥í¥»¥Ã¥µ¤ÎTranslation\-Lookaside Buffer¤òºÇŬ²½¤·¤Þ¤¹¡£ |
| .PP |
| Translation\-Lookaside Buffer (TLB)¤Ï¡¢ºÇ¶á»ÈÍѤµ¤ì¤¿²¾ÁÛ¤«¤éʪÍý¤Ø¤Î¥¢¥É¥ì¥¹ÊÑ´¹¤òÊÝ»ý¤¹¤ë¥Ú¡¼¥¸ÊÑ´¹¥¥ã¥Ã¥·¥å¤Ç¤¹¡£TLB¤Ï¡¢¾¯¤Ê¤¤¥·¥¹¥Æ¥à¡¦¥ê¥½¡¼¥¹¤Ç¤¹¡£¥×¥í¥»¥Ã¥µ¤¬Ê£¿ô¤Î¥á¥â¥ê¡¼¡¦¥¢¥¯¥»¥¹¤¬É¬Íפʾì¹ç¤Î¤¢¤ë³¬ÁØ¥Ú¡¼¥¸É½¤«¤éÆɤ߼è¤ëɬÍפ¬¤¢¤ë¤¿¤á¡¢TLB¥ß¥¹¤ÏÉé²Ù¤¬¤«¤«¤ë²ÄǽÀ¤¬¤¢¤ê¤Þ¤¹¡£Â礤¤¥á¥â¥ê¡¼¡¦¥Ú¡¼¥¸¡¦¥µ¥¤¥º¤ò»ÈÍѤ·¤Æ¡¢Ã±°ì¤ÎTLB¥¨¥ó¥È¥ê¤ÇÂ礤¤¥á¥â¥ê¡¼ÈϰϤòɽ¤¹¤³¤È¤¬¤Ç¤¤Þ¤¹¡£TLBÉÔ¤¬¾¯¤Ê¤¯¤Ê¤ê¡¢¥á¥â¥ê¡¼½¸Ì󷿤Υ¢¥×¥ê¥±¡¼¥·¥ç¥ó¤Î¥Ñ¥Õ¥©¡¼¥Þ¥ó¥¹¤¬¸þ¾å¤¹¤ë²ÄǽÀ¤¬¤¢¤ê¤Þ¤¹¡£ |
| .PP |
| ¤¿¤À¤·¡¢¥é¡¼¥¸¡¦¥Ú¡¼¥¸¤Î¥Ú¡¼¥¸¡¦¥á¥â¥ê¡¼¤Ï¡¢¥·¥¹¥Æ¥à¤Î¥Ñ¥Õ¥©¡¼¥Þ¥ó¥¹¤Ë°±Æ¶Á¤òÍ¿¤¨¤ë¾ì¹ç¤¬¤¢¤ê¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡¢ÂçÎ̤Υá¥â¥ê¡¼¤¬¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¤Ç³ÎÊݤµ¤ì¤ë¾ì¹ç¡¢Ä̾ï¥á¥â¥ê¡¼ÉԤ侤Υ¢¥×¥ê¥±¡¼¥·¥ç¥ó¤Î²á¾ê¤Ê¥Ú¡¼¥¸¥ó¥°¤¬È¯À¸¤·¡¢¥·¥¹¥Æ¥àÁ´ÂΤ¬ÃÙ¤¯¤Ê¤ë²ÄǽÀ¤¬¤¢¤ê¤Þ¤¹¡£¤Þ¤¿¡¢Ä¹»þ´Ö²ÔƯ¤·¤Æ¤¤¤ë¥·¥¹¥Æ¥à¤Ï¡¢²á¾ê¤ÊÃÇÊÒ²½¤¬È¯À¸¤¹¤ë²ÄǽÀ¤¬¤¢¤ê¤Þ¤¹¡£¤³¤ì¤Ë¤è¤ê¡¢½½Ê¬¤ÊÂ礤µ¤Î¥Ú¡¼¥¸¡¦¥á¥â¥ê¡¼¤òͽÌó¤Ç¤¤Ê¤¤²ÄǽÀ¤¬¤¢¤ê¤Þ¤¹¡£¤³¤ì¤¬È¯À¸¤·¤¿¾ì¹ç¡¢OS¤Þ¤¿¤ÏJVM¤Î¤¤¤º¤ì¤«¤¬Ä̾ï¤Î¥Ú¡¼¥¸¤Î»ÈÍѤËÌá¤ê¤Þ¤¹¡£ |
| .SS "¥é¡¼¥¸¡¦¥Ú¡¼¥¸¤Î¥µ¥Ý¡¼¥È" |
| .PP |
| Solaris¤ª¤è¤ÓLinux¤Ï¡¢¥é¡¼¥¸¡¦¥Ú¡¼¥¸¤ò¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡£ |
| .sp |
| .it 1 an-trap |
| .nr an-no-space-flag 1 |
| .nr an-break-flag 1 |
| .br |
| .ps +1 |
| \fBSolaris\fR |
| .RS 4 |
| .PP |
| Solaris 9°Ê¾å¤Ë¤Ï¡¢Multiple Page Size Support(MPSS)¤¬´Þ¤Þ¤ì¤Æ¤¤¤Þ¤¹¡£Äɲäι½À®¤ÏɬÍפ¢¤ê¤Þ¤»¤ó¡£http://www\&.oracle\&.com/technetwork/server\-storage/solaris10/overview/solaris9\-features\-scalability\-135663\&.html¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£ |
| .RE |
| .sp |
| .it 1 an-trap |
| .nr an-no-space-flag 1 |
| .nr an-break-flag 1 |
| .br |
| .ps +1 |
| \fBLinux\fR |
| .RS 4 |
| .PP |
| 2\&.6¥«¡¼¥Í¥ë¤Ï¡¢¥é¡¼¥¸¡¦¥Ú¡¼¥¸¤ò¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡£°ìÉô¤Î¥Ù¥ó¥À¡¼¤Ï¡¢2\&.4¥Ù¡¼¥¹¤Î¥ê¥ê¡¼¥¹¤Î¥³¡¼¥É¤ò¥Ð¥Ã¥¯¥Ý¡¼¥È¤·¤Æ¤¤¤Þ¤¹¡£¥·¥¹¥Æ¥à¤¬¥é¡¼¥¸¡¦¥Ú¡¼¥¸¡¦¥á¥â¥ê¡¼¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤ë¤«¤É¤¦¤«¤ò³Îǧ¤¹¤ë¤Ë¤Ï¡¢¼¡¤ò»î¹Ô¤·¤Æ¤¯¤À¤µ¤¤: |
| .sp |
| .if n \{\ |
| .RS 4 |
| .\} |
| .nf |
| \fB# cat /proc/meminfo | grep Huge\fR |
| \fBHugePages_Total: 0\fR |
| \fBHugePages_Free: 0\fR |
| \fBHugepagesize: 2048 kB\fR |
| |
| .fi |
| .if n \{\ |
| .RE |
| .\} |
| .PP |
| ½ÐÎϤË3¤Ä¤Î"Huge"ÊÑ¿ô¤¬¼¨¤µ¤ì¤Æ¤¤¤ë¾ì¹ç¡¢¥·¥¹¥Æ¥à¤Ï¥é¡¼¥¸¡¦¥Ú¡¼¥¸¡¦¥á¥â¥ê¡¼¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Þ¤¹¤¬¡¢¹½À®¤¹¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£¥³¥Þ¥ó¥É¤¬²¿¤â½ÐÎϤ·¤Ê¤¤¾ì¹ç¡¢¥·¥¹¥Æ¥à¤Ï¥é¡¼¥¸¡¦¥Ú¡¼¥¸¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Þ¤»¤ó¡£¥é¡¼¥¸¡¦¥Ú¡¼¥¸¡¦¥á¥â¥ê¡¼¤ò»ÈÍѤ¹¤ë¥·¥¹¥Æ¥à¤ò¹½À®¤¹¤ë¤Ë¤Ï¡¢\fBroot\fR¤È¤·¤Æ¥í¥°¥¤¥ó¤·¤Æ¡¢¼¡¤Î¼ê½ç¤ò¼Â¹Ô¤·¤Æ¤¯¤À¤µ¤¤: |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04' 1.\h'+01'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP " 1." 4.2 |
| .\} |
| ¥ª¥×¥·¥ç¥ó\fB\-XX:+UseSHM\fR(\fB\-XX:+UseHugeTLBFS\fR¤Î¤«¤ï¤ê)¤ò»ÈÍѤ¹¤ë¾ì¹ç¡¢\fBSHMMAX\fRÃͤòÁý¤ä¤·¤Æ¤¯¤À¤µ¤¤¡£Java¥Ò¡¼¥×¡¦¥µ¥¤¥º¤è¤êÂ礤¯¤¹¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£4GB°Ê²¼¤ÎʪÍýRAM¤ò»ÈÍѤ·¤¿¥·¥¹¥Æ¥à¤Ç¡¢¼¡¤Ë¤è¤ê¤¹¤Ù¤Æ¤Î¥á¥â¥ê¡¼¤¬¶¦Í²Äǽ¤Ë¤Ê¤ê¤Þ¤¹: |
| .sp |
| .if n \{\ |
| .RS 4 |
| .\} |
| .nf |
| \fB# echo 4294967295 > /proc/sys/kernel/shmmax\fR |
| |
| .fi |
| .if n \{\ |
| .RE |
| .\} |
| .RE |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04' 2.\h'+01'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP " 2." 4.2 |
| .\} |
| ¥ª¥×¥·¥ç¥ó\fB\-XX:+UseSHM\fR¤Þ¤¿¤Ï\fB\-XX:+UseHugeTLBFS\fR¤ò»ÈÍѤ¹¤ë¾ì¹ç¡¢¥é¡¼¥¸¡¦¥Ú¡¼¥¸¤Î¿ô¤ò»ØÄꤷ¤Æ¤¯¤À¤µ¤¤¡£¼¡¤ÎÎã¤Ç¤Ï¡¢4GB¥·¥¹¥Æ¥à¤Î3GB¤¬¥é¡¼¥¸¡¦¥Ú¡¼¥¸¤ËͽÌ󤵤ì¤Þ¤¹(2048KB¤Î¥é¡¼¥¸¡¦¥Ú¡¼¥¸¡¦¥µ¥¤¥º¤ò²¾Äꤹ¤ë¾ì¹ç¡¢3GB = 3 * 1024MB = 3072MB = 3072 * 1024KB = 3145728KB and 3145728KB / 2048KB = 1536): |
| .sp |
| .if n \{\ |
| .RS 4 |
| .\} |
| .nf |
| \fB# echo 1536 > /proc/sys/vm/nr_hugepages\fR |
| |
| .fi |
| .if n \{\ |
| .RE |
| .\} |
| .RE |
| .if n \{\ |
| .sp |
| .\} |
| .RS 4 |
| .it 1 an-trap |
| .nr an-no-space-flag 1 |
| .nr an-break-flag 1 |
| .br |
| .ps +1 |
| \fBÃíµ\fR |
| .ps -1 |
| .br |
| .TS |
| allbox tab(:); |
| l. |
| T{ |
| Ãí°Õ |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| ¥·¥¹¥Æ¥à¤òºÆµ¯Æ°¤·¤¿¸å¤Ë\fB/proc\fR¤Ë´Þ¤Þ¤ì¤ëÃͤ¬¥ê¥»¥Ã¥È¤µ¤ì¤ë¤Î¤ÇÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£¤½¤Î¤¿¤á¡¢½é´ü²½¥¹¥¯¥ê¥×¥È(\fBrc\&.local\fR¤ä\fBsysctl\&.conf\fR¤Ê¤É)¤ÇÀßÄê¤Ç¤¤Þ¤¹¡£ |
| .RE |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| OS¥«¡¼¥Í¥ë¡¦¥Ñ¥é¥á¡¼¥¿\fB/proc/sys/kernel/shmmax\fR¤Þ¤¿¤Ï\fB/proc/sys/vm/nr_hugepages\fR¤ò¹½À®(¤Þ¤¿¤Ï¥µ¥¤¥ºÊѹ¹)¤¹¤ë¾ì¹ç¡¢Java¥×¥í¥»¥¹¤¬Java¥Ò¡¼¥×°Ê³°¤ÎÎΰè¤ËÂФ·¤Æ¥é¡¼¥¸¡¦¥Ú¡¼¥¸¤ò³ä¤êÅö¤Æ¤ë¤³¤È¤¬¤¢¤ê¤Þ¤¹¡£¤³¤ì¤é¤Î¼ê½ç¤ò»ÈÍѤ·¤Æ¡¢¼¡¤ÎÎΰè¤ËÂФ·¤Æ¥é¡¼¥¸¡¦¥Ú¡¼¥¸¤ò³ä¤êÅö¤Æ¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹: |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| Java¥Ò¡¼¥× |
| .RE |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| PermanentÀ¤Âå |
| .RE |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| ¥³¡¼¥É¡¦¥¥ã¥Ã¥·¥å |
| .RE |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| ¥Ñ¥é¥ì¥ëGC¤Î¥Þ¡¼¥¥ó¥°¡¦¥Ó¥Ã¥È¥Þ¥Ã¥×¡¦¥Ç¡¼¥¿¹½Â¤ |
| .RE |
| .sp |
| ¤½¤Î·ë²Ì¡¢Java¥Ò¡¼¥×¤Î¥µ¥¤¥º¤Ë\fBnr_hugepages\fR¥Ñ¥é¥á¡¼¥¿¤ò¹½À®¤¹¤ë¤È¡¢Îΰè¤Î¥µ¥¤¥º¤¬Èó¾ï¤ËÂ礤¤¤¿¤á¤ËJVM¤¬PermanentÀ¤Â太¤è¤Ó¥é¡¼¥¸¡¦¥Ú¡¼¥¸¤Î¥³¡¼¥É¡¦¥¥ã¥Ã¥·¥åÎΰè¤Î³äÅö¤Æ¤Ë¼ºÇÔ¤¹¤ë¾ì¹ç¤¬¤¢¤ê¤Þ¤¹¡£ |
| .RE |
| T} |
| .TE |
| .sp 1 |
| .sp .5v |
| .RE |
| .RE |
| .SH "½ªÎ»¥¹¥Æ¡¼¥¿¥¹" |
| .PP |
| Ä̾¼¡¤Î½ªÎ»Ãͤ¬µ¯Æ°¥Ä¡¼¥ë¤«¤éÊÖ¤µ¤ì¤ë¤Î¤Ï¡¢µ¯Æ°¸µ¤¬ÉÔÀµ¤Ê°ú¿ô¤Ç¸Æ¤Ó½Ð¤µ¤ì¤¿¤«¡¢¿¼¹ï¤Ê¥¨¥é¡¼¤¬È¯À¸¤·¤¿¤«¡¢¤¢¤ë¤¤¤ÏJVM¤Ë¤è¤êÎã³°¤¬¥¹¥í¡¼¤µ¤ì¤¿¾ì¹ç¤Ç¤¹¡£¤¿¤À¤·¡¢Java¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¤Ï¡¢API¸Æ½Ð¤·\fBSystem\&.exit(exitValue)\fR¤ò»ÈÍѤ·¤ÆǤ°Õ¤ÎÃͤòÊÖ¤¹¤³¤È¤òÁªÂò¤¹¤ë¤³¤È¤â¤Ç¤¤Þ¤¹¡£Ãͤϼ¡¤Î¤È¤ª¤ê¤Ç¤¹¡£ |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| \fB0\fR: Àµ¾ï½ªÎ» |
| .RE |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| \fB>0\fR: ¥¨¥é¡¼È¯À¸ |
| .RE |
| .SH "´ØÏ¢¹àÌÜ" |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| javac(1) |
| .RE |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| jdb(1) |
| .RE |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| javah(1) |
| .RE |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| jar(1) |
| .RE |
| .sp |
| .RS 4 |
| .ie n \{\ |
| \h'-04'\(bu\h'+03'\c |
| .\} |
| .el \{\ |
| .sp -1 |
| .IP \(bu 2.3 |
| .\} |
| jstat(1) |
| .RE |
| .br |
| 'pl 8.5i |
| 'bp |
