[Bug 1160] OpenJDK Bug with huge count of memmory and huge pages

[bugzilla-daemon at icedtea.classpath.org]

http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=1160

--- Comment #9 from Deepak Bhole <dbhole at redhat.com> ---
(In reply to comment #8)
> 
> Just with -XX:+UseLargePages when server work long time server can die.
> 
> "Reduce the Xmx value to the JVM to fix it." Are you sure that i shouldn't
> reduce hugepages value? And what the point of i can't use -xms? Any value of
> -xms and server will show again the same error.
> 

If you reduce HugePages, you will also have to reduce Xmx as Xmx cannot be
higher than what is available. 

Once you reduce Xmx, you should reduce the HugePage count by a bit regardless
as not all applications can use HugePages by default.

As for Xms, it doesn't start with Xms because without -XX:+UseLargePages it
cannot set the initial heap size to what is requested and fails right away.

> 
> But openjdk package should install it, doesn't it?
> 

It should. Might be a packaging bug. If it is already installed, you can add
the path where libcups.so.2 is to LD_LIBRARY_PATH.

> And what about issue with loading smth to buffer and back to server?

Not sure what that error is, but if it is related to insufficient memory,
-XX:+UseLargePages will fix it.

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