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Re: linux vs freebsd

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Pentium Xeon on Linux and Pentium 4 on FreeBSD... 
well that's already tell the different whatever you install and compare any service on both OS..
Xeon probably scale better...

cheers,
irfan dp

On Sat, 17 Sep 2005 11:40:19 +0545, Nitin Sharma <nitin@xxxxxxxxxxxxx> wrote:

> Thanks for all the responses.
> 
> I think the load on my freebsd is less than my linux box. also the cpu 
> information for both of my boxes are attached .. i dont think there is 
> much difference.
> 
> ---- " Have you checked your duplex settings " ----- how do i do that ????
> 
> The two boxes are not the same ..
> 
> linux rh9 ===> : GenuineIntel cpu family      : 15 model           : 2 
> model name      : Intel(R) Xeon(TM) CPU 2.80GHz stepping        : 9 cpu 
> MHz         : 2790.839
>                         Mem:  1055567872
>                         Swap: 2368839680
>                         MemTotal:      1030828 kB
>                         MemFree:         8680 kB
> 
> freebsd ==> CPU: Intel(R) Pentium(R) 4 CPU 2.80GHz (2793.20-MHz 
> 686-class CPU) cpu0: <ACPI CPU> on acpi0
>                  real memory  = 1056108544 (1007 MB)
>                  avail memory = 1023905792 (976 MB)
>                  agp0: detected 16252k stolen memory
>                  hw.physmem: 1047162880
>                  hw.usermem: 944418816
>                  hw.cbb.start_memory: 2281701376
> 
> RED HAT LINUX 9
> Connection information for squid:
>     Number of clients accessing cache:    344
>     Number of HTTP requests received:    19122865
>     Number of ICP messages received:    5652134
>     Number of ICP messages sent:    5652761
>     Number of queued ICP replies:    0
>     Request failure ratio:     0.00
>     Average HTTP requests per minute since start:    699.8
>     Average ICP messages per minute since start:    413.7
>     Select loop called: 221061278 times, 7.416 ms avg
> Cache information for squid:
>     Request Hit Ratios:    5min: 55.3%, 60min: 50.7%
>     Byte Hit Ratios:    5min: 26.1%, 60min: 22.3%
>     Request Memory Hit Ratios:    5min: 17.8%, 60min: 15.3%
>     Request Disk Hit Ratios:    5min: 27.8%, 60min: 33.3%
>     Storage Swap size:    42565292 KB
>     Storage Mem size:    130892 KB
>     Mean Object Size:    14.39 KB
>     Requests given to unlinkd:    0
> Median Service Times (seconds)  5 min    60 min:
>     HTTP Requests (All):   0.06286  0.46965
>     Cache Misses:          1.31166  1.24267
>     Cache Hits:            0.01387  0.01745
>     Near Hits:             1.38447  1.38447
>     Not-Modified Replies:  0.01309  0.01309
>     DNS Lookups:           0.00278  0.00278
>     ICP Queries:           0.00000  0.00196
> Resource usage for squid:
>     UP Time:    1639470.149 seconds
>     CPU Time:    130797.700 seconds
>     CPU Usage:    7.98%
>     CPU Usage, 5 minute avg:    9.54%
>     CPU Usage, 60 minute avg:    7.98%
>     Process Data Segment Size via sbrk(): 484417 KB
>     Maximum Resident Size: 0 KB
>     Page faults with physical i/o: 365556
> Memory usage for squid via mallinfo():
>     Total space in arena:  484417 KB
>     Ordinary blocks:       474906 KB 529161 blks
>     Small blocks:               0 KB      0 blks
>     Holding blocks:         16484 KB      8 blks
>     Free Small blocks:          0 KB
>     Free Ordinary blocks:    9510 KB
>     Total in use:          491390 KB 98%
>     Total free:              9510 KB 2%
>     Total size:            500901 KB
> Memory accounted for:
>     Total accounted:       339076 KB
>     memPoolAlloc calls: 2179037905
>     memPoolFree calls: 2172629906
> File descriptor usage for squid:
>     Maximum number of file descriptors:   8192
>     Largest file desc currently in use:    664
>     Number of file desc currently in use:  445
>     Files queued for open:                   0
>     Available number of file descriptors: 7747
>     Reserved number of file descriptors:   100
>     Store Disk files open:                   0
> Internal Data Structures:
>     2979223 StoreEntries
>      26663 StoreEntries with MemObjects
>      26595 Hot Object Cache Items
>     2957887 on-disk objects
> 
> 
> 
> FREEBSD 5.3
> Connection information for squid:
>     Number of clients accessing cache:    102
>     Number of HTTP requests received:    7326
>     Number of ICP messages received:    4411
>     Number of ICP messages sent:    4411
>     Number of queued ICP replies:    0
>     Request failure ratio:     0.00
>     Average HTTP requests per minute since start:    633.1
>     Average ICP messages per minute since start:    762.4
>     Select loop called: 116002 times, 5.985 ms avg
> Cache information for squid:
>     Request Hit Ratios:    5min: 24.9%, 60min: 27.1%
>     Byte Hit Ratios:    5min: 11.5%, 60min: 11.6%
>     Request Memory Hit Ratios:    5min: 4.0%, 60min: 3.0%
>     Request Disk Hit Ratios:    5min: 32.1%, 60min: 34.0%
>     Storage Swap size:    1975008 KB
>     Storage Mem size:    11088 KB
>     Mean Object Size:    12.00 KB
>     Requests given to unlinkd:    0
> Median Service Times (seconds)  5 min    60 min:
>     HTTP Requests (All):   1.17732  1.17732
>     Cache Misses:          1.31166  1.31166
>     Cache Hits:            0.01098  0.01745
>     Near Hits:             1.17732  1.17732
>     Not-Modified Replies:  0.00678  0.00919
>     DNS Lookups:           0.00278  0.00278
>     ICP Queries:           0.00196  0.00196
> Resource usage for squid:
>     UP Time:    694.254 seconds
>     CPU Time:    39.081 seconds
>     CPU Usage:    5.63%
>     CPU Usage, 5 minute avg:    5.52%
>     CPU Usage, 60 minute avg:    5.58%
>     Process Data Segment Size via sbrk(): 47504 KB
>     Maximum Resident Size: 50144 KB
>     Page faults with physical i/o: 3
> Memory accounted for:
>     Total accounted:        23902 KB
>     memPoolAlloc calls: 1575824
>     memPoolFree calls: 1209302
> File descriptor usage for squid:
>     Maximum number of file descriptors:   6976
>     Largest file desc currently in use:    350
>     Number of file desc currently in use:  318
>     Files queued for open:                   0
>     Available number of file descriptors: 6658
>     Reserved number of file descriptors:   100
>     Store Disk files open:                   0
> Internal Data Structures:
>     164696 StoreEntries
>       1481 StoreEntries with MemObjects
>       1449 Hot Object Cache Items
>     164619 on-disk objects
> 
> 
> i have reiserfs on my linux box .. whereas in freebsd its my usual 
> freebsd partition.
> 
> Please guide me into some possible discrepancy factors.. such that it 
> would help me tune my box for better performances..
> 
> Yet another thing, i have GRE tunnel which intercepts the WCCP packet 
> from my router and i have used ipfw for the purpose. ( in freebsd box)
> 
> Thanks
> 
> Nitin
> 
> 
> 
> Matus UHLAR - fantomas wrote:
> 
> >On 16.09 20:18, Nitin Sharma wrote:
> >  
> >
> >>i have two boxes .. with SQUID Version 2.5.STABLE10.
> >>
> >>the linux box has (rh 9)
> >>Median Service Times (seconds)  5 min    60 min:
> >>	HTTP Requests (All):   0.06286  0.46965
> >>
> >>whereas the freebsd box has (freebsd 5.3)
> >>Median Service Times (seconds)  5 min    60 min:
> >>	HTTP Requests (All):   1.17732  1.17732
> >>
> >>both of my system have 1 GB RAM..
> >>squid is transparent and with diskd support. 
> >>    
> >>
> >
> >linux can, freebsd5 probably can too handle aufs. it should be faster than
> >diskd.
> >
> >however we don't know how many requests do they handle per minute...
> >
> >  
> >
> >>what might be the factors for such discrepancies ?? 
> >>    
> >>
> >
> >many possible factors. not enough informations :)
> >
> >  
> >
> >>i compiled squid in a freebsd box for better performance with some kernel 
> >>tunings.
> >>    
> >>
> >
> >  
> >
> 
> 

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