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Performance under Linux suddenly horrible [message #893143]

Mon, 02 July 2012 20:43

matthew bettencourt

Messages: 1
Registered: July 2012

Junior Member

I have been using eclipse for about 4-6 months with several C++ projects under linux, the performance has just gone from fast to totally un-usable. Example, it takes 5 seconds to switch buffers that are open, 10 seconds to save. Load is high CPU=255%

52760 mbetten 20 0 6408m 444m 23m S 255.8 1.9 18:15.18 java

I am on a high end system w/ 12 cores and 24G.

I am using /usr/java/jre1.7.0/bin/java for java.

It happened on two different projects where I have different workspaces. I deleted all the .metadata director for one of the project and it is still unusable. please help

Thanks

ps ax|grep java

52760 pts/4 Sl+ 20:36 /usr/java/jre1.7.0/bin/java -Dosgi.requiredJavaVersion=1.5 -XX:MaxPermSize=256m -Xms40m -Xmx2048m -jar /home/mbetten/eclipse//plugins/org.eclipse.equinox.launcher_1.2.0.v20110502.jar -os linux -ws gtk -arch x86_64 -showsplash -launcher /home/mbetten/eclipse/eclipse -name Eclipse --launcher.library /home/mbetten/eclipse//plugins/org.eclipse.equinox.launcher.gtk.linux.x86_64_1.1.100.v20110505/eclipse_1407.so -startup /home/mbetten/eclipse//plugins/org.eclipse.equinox.launcher_1.2.0.v20110502.jar --launcher.overrideVmargs -exitdata e38027 -product org.eclipse.epp.package.cpp.product -vm /usr/java/jre1.7.0/bin/java -vmargs -Dosgi.requiredJavaVersion=1.5 -XX:MaxPermSize=256m -Xms40m -Xmx2048m -jar /home/mbetten/eclipse//plugins/org.eclipse.equinox.launcher_1.2.0.v20110502.jar

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Re: Performance under Linux suddenly horrible [message #893478 is a reply to message #893143]

Wed, 04 July 2012 10:11

Dani Megert

Messages: 3802
Registered: July 2009

Senior Member

On 02.07.2012 22:43, matthew bettencourt wrote:
> I have been using eclipse for about 4-6 months with several C++
> projects under linux, the performance has just gone from fast to
> totally un-usable. Example, it takes 5 seconds to switch buffers that
> are open, 10 seconds to save. Load is high CPU=255%
>
> 52760 mbetten 20 0 6408m 444m 23m S 255.8 1.9 18:15.18 java
> I am on a high end system w/ 12 cores and 24G.
>
> I am using /usr/java/jre1.7.0/bin/java for java.
>
> It happened on two different projects where I have different
> workspaces. I deleted all the .metadata director for one of the
> project and it is still unusable. please help
Please open a bug against CDT and attach stack traces that show where
the time is spent.

Dani
>
> Thanks
>
>
>
> ps ax|grep java
>
> 52760 pts/4 Sl+ 20:36 /usr/java/jre1.7.0/bin/java
> -Dosgi.requiredJavaVersion=1.5 -XX:MaxPermSize=256m -Xms40m -Xmx2048m
> -jar
> /home/mbetten/eclipse//plugins/org.eclipse.equinox.launcher_1.2.0.v20110502.jar
> -os linux -ws gtk -arch x86_64 -showsplash -launcher
> /home/mbetten/eclipse/eclipse -name Eclipse --launcher.library
> /home/mbetten/eclipse//plugins/org.eclipse.equinox.launcher.gtk.linux.x86_64_1.1.100.v20110505/eclipse_1407.so
> -startup
> /home/mbetten/eclipse//plugins/org.eclipse.equinox.launcher_1.2.0.v20110502.jar
> --launcher.overrideVmargs -exitdata e38027 -product
> org.eclipse.epp.package.cpp.product -vm /usr/java/jre1.7.0/bin/java
> -vmargs -Dosgi.requiredJavaVersion=1.5 -XX:MaxPermSize=256m -Xms40m
> -Xmx2048m -jar
> /home/mbetten/eclipse//plugins/org.eclipse.equinox.launcher_1.2.0.v20110502.jar
>

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