Kafka Streams: topic.compression.type not a known config












0














Adding the compression configuration in Kafka Streams, similarly as in this link:



properties.put(StreamsConfig.topicPrefix(TopicConfig.COMPRESSION_TYPE_CONFIG), "snappy");


but I see the following WARN messages in the log:



[2018-11-19 23:52:10,158] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
[2018-11-19 23:52:10,158] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
[2018-11-19 23:52:10,194] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)
[2018-11-19 23:52:10,194] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)
[2018-11-19 23:52:10,209] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.producer.ProducerConfig)
[2018-11-19 23:52:10,209] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.producer.ProducerConfig)
[2018-11-19 23:52:10,221] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)
[2018-11-19 23:52:10,221] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)


Is this setting not honored? Is it not well expressed?










share|improve this question





























    0














    Adding the compression configuration in Kafka Streams, similarly as in this link:



    properties.put(StreamsConfig.topicPrefix(TopicConfig.COMPRESSION_TYPE_CONFIG), "snappy");


    but I see the following WARN messages in the log:



    [2018-11-19 23:52:10,158] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
    [2018-11-19 23:52:10,158] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
    [2018-11-19 23:52:10,194] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)
    [2018-11-19 23:52:10,194] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)
    [2018-11-19 23:52:10,209] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.producer.ProducerConfig)
    [2018-11-19 23:52:10,209] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.producer.ProducerConfig)
    [2018-11-19 23:52:10,221] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)
    [2018-11-19 23:52:10,221] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)


    Is this setting not honored? Is it not well expressed?










    share|improve this question



























      0












      0








      0







      Adding the compression configuration in Kafka Streams, similarly as in this link:



      properties.put(StreamsConfig.topicPrefix(TopicConfig.COMPRESSION_TYPE_CONFIG), "snappy");


      but I see the following WARN messages in the log:



      [2018-11-19 23:52:10,158] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
      [2018-11-19 23:52:10,158] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
      [2018-11-19 23:52:10,194] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)
      [2018-11-19 23:52:10,194] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)
      [2018-11-19 23:52:10,209] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.producer.ProducerConfig)
      [2018-11-19 23:52:10,209] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.producer.ProducerConfig)
      [2018-11-19 23:52:10,221] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)
      [2018-11-19 23:52:10,221] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)


      Is this setting not honored? Is it not well expressed?










      share|improve this question















      Adding the compression configuration in Kafka Streams, similarly as in this link:



      properties.put(StreamsConfig.topicPrefix(TopicConfig.COMPRESSION_TYPE_CONFIG), "snappy");


      but I see the following WARN messages in the log:



      [2018-11-19 23:52:10,158] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
      [2018-11-19 23:52:10,158] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.admin.AdminClientConfig)
      [2018-11-19 23:52:10,194] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)
      [2018-11-19 23:52:10,194] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)
      [2018-11-19 23:52:10,209] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.producer.ProducerConfig)
      [2018-11-19 23:52:10,209] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.producer.ProducerConfig)
      [2018-11-19 23:52:10,221] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)
      [2018-11-19 23:52:10,221] WARN The configuration 'topic.compression.type' was supplied but isn't a known config. (org.apache.kafka.clients.consumer.ConsumerConfig)


      Is this setting not honored? Is it not well expressed?







      java apache-kafka apache-kafka-streams






      share|improve this question















      share|improve this question













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      edited Nov 20 at 23:11









      cricket_007

      78.8k1142109




      78.8k1142109










      asked Nov 20 at 21:27









      xmar

      359113




      359113
























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          You can ignore those warnings. The "problem" is, that the topic config parameter is copied into the configs of the internally used clients and they don't know the parameter name and thus WARN about it. However, those configs must be set on the clients, because the clients will "forward" those configs to other parts in the code base that know how to use them.



          It's a little unfortunate and a known issue (but not easy to address).






          share|improve this answer





















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            1 Answer
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            active

            oldest

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            You can ignore those warnings. The "problem" is, that the topic config parameter is copied into the configs of the internally used clients and they don't know the parameter name and thus WARN about it. However, those configs must be set on the clients, because the clients will "forward" those configs to other parts in the code base that know how to use them.



            It's a little unfortunate and a known issue (but not easy to address).






            share|improve this answer


























              1














              You can ignore those warnings. The "problem" is, that the topic config parameter is copied into the configs of the internally used clients and they don't know the parameter name and thus WARN about it. However, those configs must be set on the clients, because the clients will "forward" those configs to other parts in the code base that know how to use them.



              It's a little unfortunate and a known issue (but not easy to address).






              share|improve this answer
























                1












                1








                1






                You can ignore those warnings. The "problem" is, that the topic config parameter is copied into the configs of the internally used clients and they don't know the parameter name and thus WARN about it. However, those configs must be set on the clients, because the clients will "forward" those configs to other parts in the code base that know how to use them.



                It's a little unfortunate and a known issue (but not easy to address).






                share|improve this answer












                You can ignore those warnings. The "problem" is, that the topic config parameter is copied into the configs of the internally used clients and they don't know the parameter name and thus WARN about it. However, those configs must be set on the clients, because the clients will "forward" those configs to other parts in the code base that know how to use them.



                It's a little unfortunate and a known issue (but not easy to address).







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Nov 20 at 22:20









                Matthias J. Sax

                28.1k34572




                28.1k34572






























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