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From Nicolas Mathieu <nico...@gmail.com>
Subject Re: using jna.jar "Unknown mlockall error 0"
Date Fri, 08 Oct 2010 09:45:15 GMT
If I'm not wrong, when I run cassandra as root I don't get that mlockall 
error 0.
Maybe there is another solution anyway.

nico008


On 08/10/2010 11:33, Roger Schildmeijer wrote:
>
>
> On Fri, Oct 8, 2010 at 11:27 AM, Utku Can Top├žu <utku@topcu.gen.tr 
> <mailto:utku@topcu.gen.tr>> wrote:
>
>     Hi,
>
>     In order to continue on memory optimizations, I've been trying to
>     use the JNA. However, when I copy the jna.jar to the lib
>     directory? I get the warning. I'm currently running the 0.6.5
>     version of cassandra.
>
>     WARN [main] 2010-10-08 09:16:18,924 FBUtilities.java (line 595)
>     Unknown mlockall error 0
>
>
> Return value == 0 usually indicates that the operation returned 
> successfully (atleast on most moden POSIX systems). What OS are you 
> using?
>
>
>     Should I be worried about this warning, in case JNA might not be
>     working?
>
>     Regards,
>     Utku
>
>
>
> WBR
> Roger Schildmeijer


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