many workers threads failed with EAGAIN

[Poul-Henning Kamp]

In message <dcccdf790908311510u7a671334s798ca64f06aade4 at mail.gmail.com>, David 
Birdsong writes:

>...but quickly saw many verflowed work requests.  My estimates are
>rough, but this was measured after a few minutes with varnish in front
>of two backends that normally serve between 700-1100 requests/sec of
>about 100k to 300k unique objects per day(my num objects could be
>higher, I'm uncertain.)

I'm surprised if you need 1000 threads for that load, why does
it take so long to serve them ?  (Avg 1s ?)

-- 
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.