[squid-users] squid cache manager question and snmp with smp question

hi ,
from cache manager :
Cache information for squid:
        Hits as % of all requests: 5min: 11.7%, 60min: 11.0%
        Hits as % of bytes sent: 5min: 0.6%, 60min: -0.3%
        Memory hits as % of hit requests: 5min: 20.0%, 60min: 13.9%
        Disk hits as % of hit requests: 5min: 11.6%, 60min: 9.5%
        Storage Swap size: 28703904 KB
        Storage Swap capacity: 70.1% used, 29.9% free
        Storage Mem size: 1024000 KB
        *Storage Mem capacity: 100.0% used, 0.0% free*
        Mean Object Size: 32.00 KB
        Requests given to unlinkd: 0
================================================
im asking about :
Storage Mem capacity: 100.0% used, 0.0% free
why it is 100 %

Q1-does that mean that squid dissipated 100% from cache_mem value configured
????
Q2- does the result in cache manager in "general run time information" is
calculated as total for all processes ???
==================================================================
Q3
 ABOUT snmp with smp
wt i need to configure in squid.conf ??

do i need to configure snmp for each instance ???

i want to say that i configured as below :
acl snmppublic snmp_community xxxxxxx
snmp_port 3401
snmp_access allow snmppublic localhost
snmp_access allow snmppublic all
snmp_incoming_address 0.0.0.0
snmp_outgoing_address 0.0.0.0
###############################################

i had results in my mrtg , but not sure of the results ,
i got squid mib file and converted it to oidb file and put it in m y mrtg
.

by here im using smp , not sure from the results

i also revived some suspicious logs :

2013/11/08 16:51:26 kid3| snmpHandleUdp: FD 20 recvfrom: (11) Resource
temporarily unavailable
2013/11/08 16:51:26 kid1| snmpHandleUdp: FD 19 recvfrom: (11) Resource
temporarily unavailable
2013/11/08 16:51:26 kid3| snmpHandleUdp: FD 19 recvfrom: (11) Resource
temporarily unavailable
2013/11/08 16:51:51 kid2| snmpHandleUdp: FD 20 recvfrom: (11) Resource
temporarily unavailable
2013/11/08 16:51:51 kid3| snmpHandleUdp: FD 19 recvfrom: (11) Resource
temporarily unavailable
2013/11/08 16:51:51 kid1| snmpHandleUdp: FD 19 recvfrom: (11) Resource
temporarily unavailable
2013/11/08 16:51:51 kid3| snmpHandleUdp: FD 20 recvfrom: (11) Resource
temporarily unavailable
2013/11/08 16:51:51 kid1| snmpHandleUdp: FD 19 recvfrom: (11) Resource
temporarily unavailable
2013/11/08 16:51:51 kid3| snmpHandleUdp: FD 19 recvfrom: (11) Resource
temporarily unavailable
2013/11/08 16:51:51 kid1| snmpHandleUdp: FD 20 recvfrom: (11) Resource
temporarily unavailable

not sure if it is harmful !!!

regards

-----
Dr.x

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