Re: [naviserver-devel] ns_proxy revisited

[Vlad S. <vl...@cr...>]

Can i do this from other thread, spawn in one and check in another, 
actually this is what i need. I can have multiple processes running, 
then according to some rules i will check which one is taking too long 
and kill it.

Zoran Vasiljevic wrote:
> On 14.09.2006, at 19:50, Vlad Seryakov wrote:
> 
>> The only immediate request i would have for ns_proxy to be able to  
>> query
>> pid for active proxies, may be ns_proxy active could return pid or  
>> other
>> command, that will be useful for forcing process exit if necessary.
> 
> You can do:
> 
>    ns_proxy clear ?pool?
> 
> to forcefully clear _all_ slave processes (or just
> ones for the given pool).
> 
> But look here:
> 
>    server1:nscp 1> set proxy [ns_proxy get pool]
> 
> zvpb:~ zoran$ ps -ax | grep proxy
> 13423  p0  S+     0:00.02 /usr/local/ns/bin/nsproxy pool pool-7
> 13425  p2  S+     0:00.01 grep proxy
> 
> Now we have a slave process running. So:
> 
>    server1:nscp 2> ns_proxy send $proxy "exec sleep 10000"
>    server1:nscp 3> ns_proxy wait $proxy 1000
>    could not wait for proxy "pool-7": timeout waiting for evaluation
> 
> zvpb:~ zoran$ ps -ax | grep proxy
> 13423  p0  S+     0:00.02 /usr/local/ns/bin/nsproxy pool pool-7 {exec  
> sleep 10000}
> 
> Now you have the slave "gone wild". How to get rid
> of it?  Simply:
> 
>    server1:nscp 4> ns_proxy put $proxy
> 
> and hopla:
> 
> [14/Sep/2006:19:58:11][13419.41968128][-nsproxy:reap-] Warning:  
> [pool]: pid 13423 won't die, send signal 15
> [14/Sep/2006:19:58:12][13419.41968128][-nsproxy:reap-] Error: process  
> 13423 killed with signal 15 (Terminated)
> 
> and:
> 
> zvpb:~ zoran$ ps -ax | grep proxy
> 13430  p2  R+     0:00.00 grep proxy
> 
> This is NEW in the code. If your proxy is just taking too
> much time, you return it back to the pool. The code will
> see that you are returning an non-idle proxy back to pool
> and will assure to kill the slave.
> 
> Is this what you are looking for?
> 
> Cheers,
> Zoran
> 
> 
> 
> -------------------------------------------------------------------------
> Using Tomcat but need to do more? Need to support web services, security?
> Get stuff done quickly with pre-integrated technology to make your job easier
> Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
> _______________________________________________
> naviserver-devel mailing list
> nav...@li...
> https://lists.sourceforge.net/lists/listinfo/naviserver-devel
> 

-- 
Vlad Seryakov
571 262-8608 office
vl...@cr...
http://www.crystalballinc.com/vlad/