Hi,
I am working on a monitoring tool that works independently from apache
and analyzes the scoreboard stored in shared memory. One thing I am
trying to monitor is the current req/sec and bytes/sec rate. On my test
system I get about 3.5-4 Mbytes/sec (while testing with ab) which
corresponds to the output in the mod_status page.
But then suddenly the rate jumps to about 9 Mbytes/sec and I cannot
explain it. I suspect it starts when the first generation of worker
processes has reached MaxRequestsPerChild.
Am I right that the worker_score members access_count and bytes_served
are only increased over the whole lifetime of the server?
Do they reflect the sum of requests and bytes served by any process
using the slot?
Initially I had simply added up those values from all worker_score
entries. Then I took from mod_status this condition:
if( ws->access_count!=0 ||
(ws->status!=SERVER_READY &&
ws->status!=SERVER_DEAD) )
result[k].count+=ws->bytes_served;
which doesn't seem to help much.
Are there any conditions when a worker_score must not be counted?
Thanks,
Torsten
