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From Andrey Stepachev <oct...@gmail.com>
Subject Re: JNA to avoid swap but physical memory increase
Date Fri, 15 Jul 2011 10:16:24 GMT
Looks like mmaped files.

2011/7/15 Donna Li <donna.li@utstar.com>

> **
>
> All:****
>
> I download JNA jar and put it to cassandra lib directory. When restart
> cassandra server, I found the physical memory highly increase. There is no
> data saved in cassandra, why so much memory used by cassandra? How can I
> decrease the memory usage by cassandra? My version is 0.7.6-2.****
>
> ** **
>
> ** **
>
> Before ****
>
> PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND  ****
>
> 11381 root      25   0  **653m**  **57m** 6272 S    0  5.7   0:02.33
> java     ****
>
> ** **
>
> After****
>
> PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND  ****
>
> 11130 root      25   0  **653m** **647m** **9.9m** S    0 64.2   0:03.57
> java       ****
>
> ** **
>
> ** **
>
> Best Regards****
>
> Donna li****
>

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