[horde] Web Server Monitoring using Ganglia

Jens-U. Mozdzen jmozdzen at nde.ag
Tue Nov 14 12:40:49 UTC 2017


Hi Anant,

Zitat von ANANT S ATHAVALE <asa at isac.gov.in>:
> Hi,
>
> We are using Ganglia to monitor server usage.  Using RHEL 7 on Web
> Server.  Mailboxes are another server and are accessed over network.
> Using Cyrus-IMAP for storing mailboxes.
>
> PFA, We see CPU wio (CPU waiting for I/O).  Though, we don't feel  
> anyperformance issue, is there any concern with this type of CPU wio?

with this type of "waiting for I/O", yes of course. (And I cannot  
remember any other "waiting for i/O" type.)

But have you noticed the absolute value? 0.2 % at max doesn't look  
like much to me. Probably the reason for the not noticable performance  
impact.

Regards,
J



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