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From Ufuk Celebi <...@apache.org>
Subject Re: Customizing the classpath for TM and JM
Date Thu, 15 Jan 2015 17:23:54 GMT
On Thursday, January 15, 2015, Alexander Alexandrov <
alexander.s.alexandrov@gmail.com> wrote:

> OK, let's be conservative and not blow up the list of configuration values
> then.
>

Yes :)


> Is there a default point where I should also document these settings?
>

In the setup section of the docs. There is an overview page of all config
parameters.


> 2015-01-15 15:02 GMT+01:00 Ufuk Celebi <uce@apache.org
> <javascript:_e(%7B%7D,'cvml','uce@apache.org');>>:
>
>> "env.java.classpath" could be used for global class path settings (both
>> JM and TM) and the other ones for JM and TM respectively. I don't know if
>> this is really necessary though. Because no one else asked for it, I think
>> it's fine to go with what suits your use case.
>>
>> – Ufuk
>>
>> On 15 Jan 2015, at 14:25, Alexander Alexandrov <
>> alexander.s.alexandrov@gmail.com
>> <javascript:_e(%7B%7D,'cvml','alexander.s.alexandrov@gmail.com');>>
>> wrote:
>>
>> > Sorry, I meant between the three. In particular, where will
>> env.java.classpath propagate?
>> >
>> > 2015-01-15 14:24 GMT+01:00 Alexander Alexandrov <
>> alexander.s.alexandrov@gmail.com
>> <javascript:_e(%7B%7D,'cvml','alexander.s.alexandrov@gmail.com');>>:
>> > No worries, this is the first reply that I get in this thread.
>> >
>> > What would be the difference between the two? I can make a PR if we
>> agree on that.
>> >
>> > 2015-01-15 11:28 GMT+01:00 Ufuk Celebi <uce@apache.org
>> <javascript:_e(%7B%7D,'cvml','uce@apache.org');>>:
>> > Hey Alexander,
>> >
>> > there is only the option "env.java.opts", which can be set in the
>> config. I think you cannot use this to have multiple "-classpath" options
>> when starting Java?
>> >
>> > It makes sense to have the option to add something to the classpath. I
>> will check this and fix it. :-) What about "taskmanager.env.java.classpath"
>> and "jobmanager.env.java.classpath" as a configuration key? And maybe an
>> additional "env.java.classpath"?
>> >
>> > PS: sorry for the incomplete mail before :D
>> >
>> > On 15 Jan 2015, at 01:00, Alexander Alexandrov <
>> alexander.s.alexandrov@gmail.com
>> <javascript:_e(%7B%7D,'cvml','alexander.s.alexandrov@gmail.com');>>
>> wrote:
>> >
>> > > Hi there,
>> > >
>> > > is there a canonical / suggested way to customize the classpath of
>> the Flink JM and TM processes?
>> > >
>> > > At the moment I hardcoded my way around this by manually changing the
>> following lines like that:
>> > >
>> > > # in taskmanager.sh
>> > > $JAVA_RUN [...] -classpath "/tmp/classes:$FLINK_TM_CLASSPATH"
>> > >
>> > > # in jobmanagre.sh
>> > > $JAVA_RUN [...] -classpath "/tmp/classes:$FLINK_JM_CLASSPATH"
>> > >
>> > > Perhaps there is a variable that I can set in conf/flink.yaml that
>> will do the same trick.
>> >
>> >
>> >
>>
>>
>

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