[squid-users] question in cache Manager about # of clients and # of hits http

hi ,
i have Squid Cache: Version 3.1.6
============
i have squidclient installed on .

here is the result from squidclient :
HTTP/1.0 200 OK
Server: squid
Mime-Version: 1.0
Date: Tue, 30 Jul 2013 07:18:45 GMT
Content-Type: text/plain
Expires: Tue, 30 Jul 2013 07:18:45 GMT
Last-Modified: Tue, 30 Jul 2013 07:18:45 GMT
X-Cache: MISS from dft
X-Cache-Lookup: MISS from dft:22001
Via: 1.0 dft (squid)
Proxy-Connection: close

Squid Object Cache: Version 3.1.6
Start Time: Sun, 28 Jul 2013 13:37:00 GMT
Current Time: Tue, 30 Jul 2013 07:18:45 GMT
Connection information for squid:
        *Number of clients accessing cache: 2211
        Number of HTTP requests received: 80437449*
        Number of ICP messages received: 0
        Number of ICP messages sent: 0
        Number of queued ICP replies: 0
        Number of HTCP messages received: 0
        Number of HTCP messages sent: 0
        Request failure ratio: 0.00
        Average HTTP requests per minute since start: 32152.5
        Average ICP messages per minute since start: 0.0
        Select loop called: 2096328654 times, 0.072 ms avg
Cache information for squid:
        Hits as % of all requests: 5min: 44.1%, 60min: 43.4%
        Hits as % of bytes sent: 5min: 36.8%, 60min: 38.6%
        Memory hits as % of hit requests: 5min: 18.3%, 60min: 16.9%
        Disk hits as % of hit requests: 5min: 45.3%, 60min: 43.1%
        Storage Swap size: 272496340 KB
        Storage Swap capacity: 98.6% used, 1.4% free
        Storage Mem size: 1014520 KB
        Storage Mem capacity: 100.0% used, 7276133255119654.0% free
        Mean Object Size: 108.79 KB
        Requests given to unlinkd: 0
Median Service Times (seconds) 5 min 60 min:
        HTTP Requests (All): 0.07014 0.07014
        Cache Misses: 0.19742 0.19742
        Cache Hits: 0.00000 0.00000
        Near Hits: 0.64968 0.20843
        Not-Modified Replies: 0.00000 0.00000
        DNS Lookups: 0.06083 0.06364
        ICP Queries: 0.00000 0.00000
Resource usage for squid:
        UP Time: 150104.835 seconds
        CPU Time: 105900.170 seconds
        CPU Usage: 70.55%
        CPU Usage, 5 minute avg: 58.96%
        CPU Usage, 60 minute avg: 52.03%
        Process Data Segment Size via sbrk(): 4192192 KB
        Maximum Resident Size: 16999120 KB
        Page faults with physical i/o: 89
Memory usage for squid via mallinfo():
        Total space in arena: -1980 KB
        Ordinary blocks: -165956 KB 453500 blks
        Small blocks: 0 KB 0 blks
        Holding blocks: 66172 KB 15 blks
        Free Small blocks: 0 KB
        Free Ordinary blocks: 163975 KB
        Total in use: -99784 KB -154%
        Total free: 163975 KB 255%
        Total size: 64192 KB
Memory accounted for:
        Total accounted: -1252542 KB -1950%
        memPool accounted: -1252542 KB -1950%
        memPool unaccounted: 1316733 KB 2051%
        memPoolAlloc calls: 12
        memPoolFree calls: 22462254711
File descriptor usage for squid:
        Maximum number of file descriptors: 65536
        Largest file desc currently in use: 34282
        Number of file desc currently in use: 23259
        Files queued for open: 0
        Available number of file descriptors: 42277
        Reserved number of file descriptors: 100
        Store Disk files open: 11827
Internal Data Structures:
        2547268 StoreEntries
        157597 StoreEntries with MemObjects
        156565 Hot Object Cache Items
        2504776 on-disk objects

=============================================

as we see above , we have :
*Number of clients accessing cache: 2211*

does that mean that i have 2211 single ips accessing squid ??
i checked from my side " from my router " , i found my real clients access
squid is about 1580 , so why it is greater that 1580 ????

does this value count the Natting in routers as new clients ??

i mean does this value accurate ? or it count # of ips in a range of time
???

==============================================================================
i wish i could understand it .

regards

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