Historical Data related to CPU,IO and Memory

[Kaushal Shriyan <kaushalshriyan@xxxxxxxxx>]

Hi,

Are there any utilities or tools to look at historical data of Memory, CPU
Utilization or IO activity on CentOS 6.4 or 5.9 Version? For example the
how much the memory was consumed for the period of last six months.

Regards,

Kaushal
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