Leon Rosenberg wrote:
On 1/6/07, cifroes <[EMAIL PROTECTED]> wrote:
cifroes wrote:
> Hi,
>
> catalina.out hast the time Tomcat took to startup but I need to know
> the timestamp [date of when tomcat started] of when tomcat is ready to
> receive requests.
>
Let me clarify a bit:
I need this timestamp to measure downtime of a server, I don't need
exactly precision to the ms but at most 0.5second error margin.
And the timestamp should be made when tomcat server is ready to receive
requests or at least 0.5second error margin between when Tomcat is
accepting requests and that timestamp.
I hope it's clear now :)
Yes, it is, and allow me to say, that you are taking the completely
false approach for this problem. If you want to measure the downtime
of the server you should do this by sending requests periodically
(once a second or whatever timeframe your need) from another tool
like jmeter, ab or simply a perl/bash script calling wget or curl.
The fact that tomcat thinks its up, doesn't mean it's not down. Only
when it actually responses (and the responses make sense) it can be
considered up.
Evaluating start time for this matter is kindof childish :-)
regards
Leon
I'm already doing it client-side, I now want to get a server-side
approach, even if it's only an approximation. That's because my clients
don't connect directly to the tomcat server, they have
load-balancer/proxy stuff in the middle.
I can do a local client polling every 1sec but that's too invasive, I'm
happy with the timestamp Tomcat thinks it's up. :)
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