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From Brian Byrne <bby...@confluent.io>
Subject Re: Kafka - entity-default Vs entity-name
Date Fri, 12 Jun 2020 15:45:56 GMT
Hi Nag,

Correct, --all will include both. Removing --all should give you only the
overridden values.

Are you asking if you can see overridden values for a broker with both the
default config and specific broker config in one command? Unfortunately the
commands only give you the overrides for that specific entity, but you can
try:

  kafka-configs ... --entity-type brokers --entity-name 1 --describe | grep
DYNAMIC

This will show you overridden --entity-defaults
(DYNAMIC_DEFAULT_BROKER_CONFIG) and --entity-name 1 (DYNAMIC_BROKER_CONFIG).

Brian

On Fri, Jun 12, 2020 at 8:12 AM Nag Y <andriod.nag.user@gmail.com> wrote:

> Thanks Brian. I applied the following command with --all, it works fine.
>
> kafka-configs --bootstrap-server localhost:9092 --entity-type brokers
> --entity-name 1 --describe --all.
>
> I believe this includes *both* default  config values as well as config
> values  those were overridden . Is there any command if i wanted to query
> only the overridden values and the rest will be default values
>
> On Fri, Jun 12, 2020 at 7:58 PM Brian Byrne <bbyrne@confluent.io> wrote:
>
> > Hi Nag,
> >
> > To address (2) first, the --entity-default flag requests the default
> > configuration that all brokers inherit. An individual broker may override
> > any of the default config's entries, which is done by specifying the
> broker
> > ID to the --entity-name flag.
> >
> > The reason you're getting blank output for --entity-default is because
> all
> > entries in the config are using their default values. If you wish to see
> > all config entries, you can pass flag --all which is included in the 2.5
> > release (KIP-524:
> >
> >
> https://cwiki.apache.org/confluence/display/KAFKA/KIP-524%3A+Allow+users+to+choose+config+source+when+describing+configs
> > ).
> >
> > Please let me know if you have any other questions,
> >
> > Brian
> >
> > On Fri, Jun 12, 2020 at 5:18 AM Nag Y <andriod.nag.user@gmail.com>
> wrote:
> >
> > > I applied kafka-config to get the default settings for the brokers,
> > >
> > > kafka-configs --bootstrap-server localhost:9092 --entity-type brokers
> > > --entity-default --describe
> > >
> > > The command responded with the following response, without any
> *complete*
> > >  output.
> > >
> > > Default configs for brokers in the cluster are:
> > >
> > >
> > >    1. So, how to get the all the default settings across all brokers
> > >    2. I understood from the command line what it means, didnt get the
> > >    context completely. What is the real difference between
> entity-default
> > >    ,entity-name
> > >
> > > From documentation:
> > >
> > > --entity-default                       Default entity name for
> > >                                        clients/users/brokers (applies
> to
> > >                                        corresponding entity type in
> > command
> > >                                        line)
> > >
> > > --entity-name <String>                 Name of entity (topic
> name/client
> > >                                        id/user principal name/broker
> id)
> > >
> >
>

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