Re: [jetty-users] Jetty LoadTests and no available selectors

[Lord Buddha <lord.buddha@xxxxxxxxx>]

Ok.  Just thought best to rule these out sounds like the dump might now shed light.

Just to repeat what was said prior, 10 threads rediculously low.  Out of box is normally 200, I run some servers at 600.  Threads these days rediculously cheap so no need to skimp.   Retest with more.

Also, you cannot really load test with 1024 file handles.   I would suggest much more.   We run at 150k handles to ensure it causes no issues.  1024 is not appropriate for a web server.   Retest with more.

On 16 Jun 2017 9:09 pm, "Simon Kulessa" <simon.kulessa@xxxxxxxxx> wrote:

Hi,

Am 16.06.2017 um 11:00 schrieb Lord Buddha:

To be clear, you made that curl request on the same server as jetty and direct to it and not to any load balancer / reverse proxy. 

The curl request was made from a different server.
No load balancer or reverse proxy is involved here.

Also to check that server is not out or basically out of disk space.

The are some gigabyte free so that shouldn't be an issue.

When logged in as same user as jetty runs, what is "unlimit -a" output.  This so can see number of permitted file handles, processes etc.

ulimit -a print the following:

core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
scheduling priority             (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) 31815
max locked memory       (kbytes, -l) 64
max memory size         (kbytes, -m) unlimited
open files                      (-n) 1024
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
real-time priority              (-r) 0
stack size              (kbytes, -s) 8192
cpu time               (seconds, -t) unlimited
max user processes              (-u) 31815
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited

These just to rule out anything environmental given the current mystery.

Regards,
Simon Kulessa

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