> Objet: [squid-users] HIT negative value
>
> Hello,
>
> Can someone explain to me why some of the values of HIT usage are
> negative ?
>
> Hits as % of all requests: 5min: 57.7%, 60min: 54.0%
> Hits as % of bytes sent: 5min: -226.7%, 60min: -127.9%
> Memory hits as % of hit requests: 5min: 26.0%, 60min: 22.3%
> Disk hits as % of hit requests: 5min: 20.0%, 60min: 26.0%
> Cache Hits: 0.00000 0.00000
> Near Hits: 0.03241 0.05331
>
> 57 for all requests and -226 for bytes requests ?
>
> No problem with another squid (same version 3.2.7)
>
> Hits as % of all requests: 5min: 24.8%, 60min: 27.6%
> Hits as % of bytes sent: 5min: 20.6%, 60min: 21.8%
> Memory hits as % of hit requests: 5min: 8.2%, 60min: 7.7%
> Disk hits as % of hit requests: 5min: 42.1%, 60min: 43.7%
> Cache Hits: 0.00562 0.00865
> Near Hits: 0.04277 0.05331
>
> Regards Fred
>
Squid Object Cache: Version 3.2.7
Start Time: Tue, 26 Feb 2013 23:01:27 GMT
Current Time: Wed, 27 Feb 2013 12:10:44 GMT
Connection information for squid:
Number of clients accessing cache: 0
Number of HTTP requests received: 2133953
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: 2703.6
Average ICP messages per minute since start: 0.0
Select loop called: 160784934 times, 0.295 ms avg
Cache information for squid:
Hits as % of all requests: 5min: 54.3%, 60min: 55.6%
Hits as % of bytes sent: 5min: -398.2%, 60min: -176.6%
Memory hits as % of hit requests: 5min: 24.8%, 60min: 23.8%
Disk hits as % of hit requests: 5min: 19.1%, 60min: 23.3%
Storage Swap size: 184320024 KB
Storage Swap capacity: 90.0% used, 10.0% free
Storage Mem size: 507052 KB
Storage Mem capacity: 99.0% used, 1.0% free
Mean Object Size: 22.51 KB
Requests given to unlinkd: 80
Median Service Times (seconds) 5 min 60 min:
HTTP Requests (All): 0.01309 0.01469
Cache Misses: 0.12106 0.12783
Cache Hits: 0.00000 0.00000
Near Hits: 0.04047 0.03622
Not-Modified Replies: 0.00000 0.00000
DNS Lookups: 0.00860 0.00949
ICP Queries: 0.00000 0.00000
Resource usage for squid:
UP Time: 47357.363 seconds
CPU Time: 3015.040 seconds
CPU Usage: 6.37%
CPU Usage, 5 minute avg: 10.86%
CPU Usage, 60 minute avg: 10.01%
Process Data Segment Size via sbrk(): 2577616 KB
Maximum Resident Size: 10388704 KB
Page faults with physical i/o: 65
Memory usage for squid via mallinfo():
Total space in arena: -1616556 KB
Ordinary blocks: -1720406 KB 47913 blks
Small blocks: 0 KB 0 blks
Holding blocks: 46624 KB 9 blks
Free Small blocks: 0 KB
Free Ordinary blocks: 103850 KB
Total in use: 103850 KB -7%
Total free: 103850 KB -7%
Total size: -1569932 KB
Memory accounted for:
Total accounted: -2055641 KB 131%
memPool accounted: 2138663 KB -136%
memPool unaccounted: -3708595 KB -0%
memPoolAlloc calls: 714543540
memPoolFree calls: 718726600
File descriptor usage for squid:
Maximum number of file descriptors: 65536
Largest file desc currently in use: 3413
Number of file desc currently in use: 1155
Files queued for open: 0
Available number of file descriptors: 64381
Reserved number of file descriptors: 100
Store Disk files open: 0
Internal Data Structures:
8188328 StoreEntries
41356 StoreEntries with MemObjects
41339 Hot Object Cache Items
8188286 on-disk objects
