Looks like mmaped files. 2011/7/15 Donna Li <donna...@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**** >
