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varnishstat output
xing at litespeedtech
Sep 28, 2006, 1:56 PM
Post #1 of 10 (1450 views)
Permalink
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
varnishstat output [ In reply to ]
xing at litespeedtech
Sep 28, 2006, 1:56 PM
Post #2 of 10 (1420 views)
Permalink
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
varnishstat output [ In reply to ]
andersb at vgnett
Sep 28, 2006, 2:31 PM
Post #3 of 10 (1427 views)
Permalink
> 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

> 18446744073709546117 -12.92 -0.02 N large free smf

Can confim seeing this on a 32-bit machine running CentOS 4.4.

Anders Berg
varnishstat output [ In reply to ]
andersb at vgnett
Sep 28, 2006, 2:31 PM
Post #4 of 10 (1423 views)
Permalink
> 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

> 18446744073709546117 -12.92 -0.02 N large free smf

Can confim seeing this on a 32-bit machine running CentOS 4.4.

Anders Berg
varnishstat output [ In reply to ]
andersb at vgnett
Sep 28, 2006, 2:39 PM
Post #5 of 10 (1425 views)
Permalink
>> 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
>
>> 18446744073709546117 -12.92 -0.02 N large free smf
>
> Can confim seeing this on a 32-bit machine running CentOS 4.4.

Sorry, misread terminal name.

I can confim this on a 64-bit machine, running FreeBSD 7.0 CURRENT.

_Not_ the CentOS box.

Anders Berg
varnishstat output [ In reply to ]
andersb at vgnett
Sep 28, 2006, 2:39 PM
Post #6 of 10 (1424 views)
Permalink
>> 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
>
>> 18446744073709546117 -12.92 -0.02 N large free smf
>
> Can confim seeing this on a 32-bit machine running CentOS 4.4.

Sorry, misread terminal name.

I can confim this on a 64-bit machine, running FreeBSD 7.0 CURRENT.

_Not_ the CentOS box.

Anders Berg
varnishstat output [ In reply to ]
phk at phk
Sep 28, 2006, 2:59 PM
Post #7 of 10 (1425 views)
Permalink
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
>
>_______________________________________________
>varnish-dev mailing list
>varnish-dev at projects.linpro.no
>http://projects.linpro.no/mailman/listinfo/varnish-dev
>

--
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.
varnishstat output [ In reply to ]
phk at phk
Sep 28, 2006, 2:59 PM
Post #8 of 10 (1418 views)
Permalink
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
>
>_______________________________________________
>varnish-dev mailing list
>varnish-dev at projects.linpro.no
>http://projects.linpro.no/mailman/listinfo/varnish-dev
>

--
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.
varnishstat output [ In reply to ]
xing at litespeedtech
Sep 28, 2006, 3:18 PM
Post #9 of 10 (1418 views)
Permalink
I'm running 64bit CentOS 4.4 btw.

Anders Berg wrote:
>>> 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
>>> 18446744073709546117 -12.92 -0.02 N large free smf
>> Can confim seeing this on a 32-bit machine running CentOS 4.4.
>
> Sorry, misread terminal name.
>
> I can confim this on a 64-bit machine, running FreeBSD 7.0 CURRENT.
>
> _Not_ the CentOS box.
>
> Anders Berg
> _______________________________________________
> varnish-dev mailing list
> varnish-dev at projects.linpro.no
> http://projects.linpro.no/mailman/listinfo/varnish-dev
>
varnishstat output [ In reply to ]
xing at litespeedtech
Sep 28, 2006, 3:18 PM
Post #10 of 10 (1429 views)
Permalink
I'm running 64bit CentOS 4.4 btw.

Anders Berg wrote:
>>> 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
>>> 18446744073709546117 -12.92 -0.02 N large free smf
>> Can confim seeing this on a 32-bit machine running CentOS 4.4.
>
> Sorry, misread terminal name.
>
> I can confim this on a 64-bit machine, running FreeBSD 7.0 CURRENT.
>
> _Not_ the CentOS box.
>
> Anders Berg
> _______________________________________________
> varnish-dev mailing list
> varnish-dev at projects.linpro.no
> http://projects.linpro.no/mailman/listinfo/varnish-dev
>

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