varnishstat output

[Poul-Henning Kamp]

In message <451C3703.70205 at litespeedtech.com>, "xing at litespeedtech.com" writes:

A number of the statistics counters are not 100% reliably locked
and therefore races can happen.

I can't remember if this particular one is one of those, but if it
isn't, it's a serious problem:

	18446744073709546117 = 0xFFFFFFFFFFFFEA85

Poul-Henning

>Notice the "N large free smf" row. I don't think it's normal to have 
>such a gigantic value so putting this on the list to let you guys decide.
>
>Xing
>
>running trunk r1121
>
>Hitrate ratio:        3        3        3
>Hitrate avg:     0.3745   0.3745   0.3745
>
>       869844         4.97         2.89 Client connections accepted
>     31200592       164.04       103.52 Client requests received
>     11705560        58.66        38.84 Cache hits
>         8200         0.00         0.03 Cache hits for pass
>     19476063       105.38        64.62 Cache misses
>     19495032       105.38        64.68 Backend connections initiated
>     18204089        91.47        60.40 Backend connections recyles
>           62        -0.99         0.00 Backend connections unused
>            1         0.00         0.00 N struct srcaddr
>            1         0.00         0.00 N active struct srcaddr
>           28         0.00         0.00 N struct sess_mem
>           11         0.00         0.00 N struct sess
>        76909        19.88         0.26 N struct object
>        77185        19.88         0.26 N struct objecthead
>        96081        16.90         0.32 N struct smf
>        30318        10.94         0.10 N small free smf
>18446744073709546117       -12.92        -0.02 N large free smf
>          907         0.00         0.00 N struct vbe_conn
>           18         0.00         0.00 N worker threads
>        18797         0.00         0.06 N worker threads created
>            0         0.00         0.00 N worker threads not created
>            0         0.00         0.00 N worker threads limited
>            0         0.00         0.00 N queued work requests
>        18797         0.00         0.06 N overflowed work requests
>            0         0.00         0.00 N dropped work requests
>     19403966        80.53        64.38 N expired objects
>         1385         3.98         0.00 N objects on deathrow
>            0         0.00         0.00 HTTP header overflows
>     28797758       150.12        95.55 Objects sent with sendfile
>      1771479         5.97         5.88 Objects sent with write
>       841355         3.98         2.79 Total Sessions
>     31200565       155.09       103.52 Total Requests
>        10769         0.00         0.04 Total pipe
>        10213         0.00         0.03 Total pass
>     19473155        96.44        64.61 Total fetch
>   8428401331     42244.99     27964.73 Total header bytes
>840988735623   4701316.51   2790330.05 Total body bytes
>       559633         0.00         1.86 Session Closed
>            0         0.00         0.00 Session Pipeline
>            0         0.00         0.00 Session Read Ahead
>     30640971       155.09       101.66 Session herd
>   1802143774      8685.22      5979.36 SHM records
>     54266433       250.54       180.05 SHM writes
>        19898         0.00         0.07 SHM MTX contention
>
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>

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.