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From Michael Shuler <mich...@pbandjelly.org>
Subject Re: supervisord and cassandra
Date Sat, 15 Feb 2014 02:47:55 GMT
On 02/14/2014 08:32 PM, Michael Shuler wrote:
> On 02/14/2014 08:27 PM, Michael Shuler wrote:
>> On 02/14/2014 08:10 PM, Michael Shuler wrote:
>>> mshuler@debian:~$ sudo supervisorctl status
>>> cassandra_server:cassandra       FATAL      Exited too quickly
>>> (process log may have details)
>>
>> I imagine the problems all stem from the fact that the initializing
>> script, in my case, /opt/cassandra/bin/cassandra, is executed and it's
>> done starting c* (Exited too quickly), and the process that actually
>> needs to be supervised is the java process (thus the ignorance that it
>> is running, and the fact that killing it is not recognized).
>
> Yup.
> https://lists.supervisord.org/pipermail/supervisor-users/2012-December/001207.html

(Self reply again..)

with cassandra -f, which is not being backgrounded in the exec line of 
the script, my conf works:

mshuler@debian:~$ sudo supervisorctl status
cassandra_server:cassandra       RUNNING    pid 2784, uptime 0:00:23

mshuler@debian:~$ pkill java
mshuler@debian:~$ ps axu|grep java
mshuler   2988  0.0  0.0   7828   876 pts/0    S+   20:45   0:00 grep java
mshuler@debian:~$ ps axu|grep java
mshuler   2989 18.1 16.4 1056412 168492 ?      Sl   20:45   0:04 java 
-ea -javaagent:/opt/cassandra/bin/../lib/jamm-0.2.5.jar 
-XX:+UseThreadPriorities <...>

and in the supervisor log:

2014-02-14 20:42:23,067 INFO daemonizing the supervisord process
2014-02-14 20:42:23,067 INFO supervisord started with pid 2777
2014-02-14 20:42:24,072 INFO spawned: 'cassandra' with pid 2784
2014-02-14 20:42:39,302 INFO success: cassandra entered RUNNING state, 
process has stayed up for > than 15 seconds (startsecs)
2014-02-14 20:45:57,131 INFO exited: cassandra (exit status 143; not 
expected)
2014-02-14 20:45:58,134 INFO spawned: 'cassandra' with pid 2989
2014-02-14 20:46:13,241 INFO success: cassandra entered RUNNING state, 
process has stayed up for > than 15 seconds (startsecs)

-- 
Michael


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