[Dxspider-support] Spider continues to freeze and/or restart on its own

Wed Mar 23 14:17:00 GMT 2016

Changing them now.

Thanks

On Wed, Mar 23, 2016 at 8:23 AM, Dirk Koopman <djk at tobit.co.uk> wrote:

> Yes.
>
>
> On 23/03/16 13:10, Michael Carper, Ph.D. wrote:
>
> So it would look like this?
>
> 10 2 * * 1,3,5 spawn("rm /tmp/usdbraw.gz &")
>
> On Tue, Mar 22, 2016 at 5:48 PM, Dirk Koopman <djk at tobit.co.uk> wrote:
>
>> Ah, that explains why I have not been able to reproduce this. I don't
>> spawn (potentially) long running jobs in this way. And anyway, my main
>> production and test nodes are on high bandwidth sites.
>>
>> What you could try is to add a '&' character before the ") of each spawn
>> command. That will start a new process in background and  the spawn should
>> return straight away.
>>
>> Dirk
>>
>>
>> On 22/03/16 22:25, Michael Carper, Ph.D. wrote:
>>
>> Good point, actually.
>>
>> More often than not, it freezes up for a period of time... the users all
>> get disconnected... and after the system is no longer frozen, the node
>> shows no change in uptime.
>>
>> In about 10 percent of cases, the system freezes... users get
>> disconnected... and when the system is back, it shows that it was just
>> restarted (though the server itself was not restarted; which is what my
>> original image showed).
>>
>> During the time when the node is frozen, I'm also unable to login to the
>> Linux server itself.
>>
>> So what I could do is remark-out some of these things and try to see if
>> the problem goes away.  (I stuck MAILTO statements in there and they didn't
>> generate emails).
>>
>> Mike, WA9PIE
>>
>> On Tue, Mar 22, 2016 at 6:02 AM, Mike McCarthy, W1NR < <lists at w1nr.net>
>> lists at w1nr.net> wrote:
>>
>>> There is an issue with the Perl libraries that will cause a hang of
>>> about 2 minutes or more if you have a crontask that is trying to connect to
>>> a node that is not responding. It usually times out and continues but some
>>> users will time out their connections and reconnect. I have not seen this
>>> issue cause a restart.
>>>
>>> Mike, W1NR
>>>
>>> On 03/22/2016 12:48 AM, Michael Carper, Ph.D. wrote:
>>>
>>>> Yes.  The following spawn commands are in my crontab.  Other folks say
>>>> they're using these same commands without problem:
>>>>
>>>> # AutoUpdate DXSpider Server
>>>> 0 1 * * * spawn("cd /spider; git reset --hard; git pull")
>>>>
>>>> # AutoUpdate USDB
>>>> 0 2 * * 1,3,5 spawn("cd /tmp; wget -qN <ftp://ftp.w1nr.net/usdbraw.gz>
>>>> ftp://ftp.w1nr.net/usdbraw.gz;
>>>> /spider/perl/create_usdb.pl <http://create_usdb.pl> usdbraw.gz")
>>>> 5 2 * * 1,3,5 run_cmd("load/usdb")
>>>> 10 2 * * 1,3,5 spawn("rm /tmp/usdbraw.gz")
>>>>
>>>> # AutoUpdate Keps
>>>> 0 2 * * 2,4,6 spawn("cd /tmp; wget -qN
>>>> http://www.amsat.org/amsat/ftp/keps/current/nasabare.txt;
>>>> /spider/perl/convkeps.pl < <http://convkeps.pl>http://convkeps.pl> -p
>>>> nasabare.txt")
>>>> 5 2 * * 2,4,6 run_cmd("load/keps")
>>>> 10 2 * * 2,4,6 spawn("rm /tmp/nasabare.txt")
>>>>
>>>> # AutoUpdate CTY.DAT
>>>> 0 3 * * 0,2,5 spawn("cd /spider/data; wget -qN
>>>> http://www.country-files.com/cty/cty.dat")
>>>> 0 3 * * 0,2,5 spawn("cd /spider/data; wget -qN
>>>> http://www.country-files.com/cty/wpxloc.dat")
>>>> 0 3 * * 0,2,5 spawn("cd /spider/data; wget -qN
>>>> http://www.country-files.com/cty/wpxloc.raw")
>>>> 2 3 * * 0,2,5 spawn("cd /spider/data; /spider/perl/create_prefix.pl
>>>> <http://create_prefix.pl>")
>>>> 3 3 * * 0,2,5 run_cmd("load/prefix")
>>>>
>>>> On Mon, Mar 21, 2016 at 7:02 AM, Ron Gibson <r.gibson2 at sympatico.ca
>>>> <mailto: <r.gibson2 at sympatico.ca>r.gibson2 at sympatico.ca>> wrote:
>>>>
>>>>     Hi Mike,
>>>>     By any chance do you have any entries in your Spider crontab with
>>>>     'spawn'?
>>>>     Ron
>>>>     VE3CGR
>>>>
>>>>     On 3/20/2016 8:01 PM, Michael G. Carper wrote:
>>>>
>>>>>
>>>>>     Attached image shows the DX Spider console… and the server’s
>>>>>     telnet console.  I sure wish I could figure out why Spider freezes
>>>>>     and/or restarts randomly.____
>>>>>
>>>>>     __ __
>>>>>
>>>>>     Mike, WA9PIE____
>>>>>
>>>>>
>>>>>
>>>>>     _______________________________________________
>>>>>     Dxspider-support mailing list
>>>>>     Dxspider-support at dxcluster.org <mailto:
>>>>> Dxspider-support at dxcluster.org>
>>>>>     http://mailman.tobit.co.uk/mailman/listinfo/dxspider-support
>>>>>
>>>>
>>>>
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