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	<title>JavaWo &#187; MyEclipse</title>
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		<title>Eclipse和MyEclipse内存不足的解决办法</title>
		<link>http://www.javawo.com/eclipse-and-myeclipse-memory-solutions/</link>
		<comments>http://www.javawo.com/eclipse-and-myeclipse-memory-solutions/#comments</comments>
		<pubDate>Mon, 18 Aug 2008 14:23:44 +0000</pubDate>
		<dc:creator>JavaWo</dc:creator>
				<category><![CDATA[Java]]></category>
		<category><![CDATA[Eclipse]]></category>
		<category><![CDATA[MyEclipse]]></category>
		<category><![CDATA[内存]]></category>

		<guid isPermaLink="false">http://www.javawo.com/?p=118</guid>
		<description><![CDATA[做java项目的时候，MyEclipse老是提示内存不足，很头疼！我本本内存2G的呀。
错误提示大概如下:
MyEclipse has detected that less than 5% of the 64MB of Perm
Gen (Non-heap memory) space remains. It is strongly recommended
that you exit and restart MyEclipse with new virtual machine memory
paramters to increase this memory.   Failure to do so can result in
data loss. The recommended Eclipse memory parameters are:
eclipse.exe -vmargs -Xms128M -Xmx512M -XX:PermSize=64M -XX:MaxPermSize=128M
以下是我的MyEclipse快捷方式的参数:
&#8220;D:\Eclipse [...]]]></description>
			<content:encoded><![CDATA[<p>做java项目的时候，MyEclipse老是提示内存不足，很头疼！我本本内存2G的呀。<br />
错误提示大概如下:<br />
MyEclipse has detected that less than 5% of the 64MB of Perm<br />
Gen (Non-heap memory) space remains. It is strongly recommended<br />
that you exit and restart MyEclipse with new virtual machine memory<br />
paramters to increase this memory.   Failure to do so can result in<br />
data loss. The recommended Eclipse memory parameters are:<br />
eclipse.exe -vmargs -Xms128M -Xmx512M -XX:PermSize=64M -XX:MaxPermSize=128M</p>
<p>以下是我的MyEclipse快捷方式的参数:<br />
&#8220;D:\Eclipse 3.2.2\eclipse.exe&#8221; -product com.genuitec.myeclipse.product.ide -vmargs -Duser.language=en -Xms128M -Xmx512M -XX:PermSize=64M -XX:MaxPermSize=128M   -Dosgi.splashLocation=&#8221;d:\MyEclipse 5.0GA\eclipse\MyEclipseSplash.bmp&#8221;</p>
<p>对于MyEclipse的话，直接修改MyEclipse在桌面的快捷方式的参数就可以啦。现在解释这些参数的意思。</p>
<p>-vmargs：说明后面是VM的参数<br />
-Xms40m：虚拟机占用系统的最小内存<br />
-Xmx256m：虚拟机占用系统的最大内存<br />
-XX:PermSize：最小堆大小。一般报内存不足时,都是说这个太小,<br />
                      堆空间剩余小于5%就会警告,建议把这个稍微设大一点,不过要视自己机器内存大小来设置<br />
-XX:MaxPermSize：最大堆大小。这个也适当大些<br />
-Xmx512M的5%为25.6M，理论上要求-Xmx的数值与-XX:MaxPermSize必须大于25.6M</p>
<p>把里面的参数改为<br />
-vmargs<br />
-Xms128M<br />
-Xmx512M<br />
-XX:PermSize=128M<br />
-XX:MaxPermSize=256M</p>
<p>所以对于我而言，我只要把我的MyEclipse5.0改-XX:PermSize=128M-XX:MaxPermSize=256M，问题解决！<br />
(个人补充一点：参数在你安装的exlipse目录下的eclipse.ini文件中)</p>
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