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From "Paul Garner (JIRA)" <j...@apache.org>
Subject [jira] [Created] (KAFKA-634) ConsoleProducer compresses messages and ignores the --compress flag
Date Tue, 27 Nov 2012 18:11:57 GMT
Paul Garner created KAFKA-634:
---------------------------------

             Summary: ConsoleProducer compresses messages and ignores the --compress flag
                 Key: KAFKA-634
                 URL: https://issues.apache.org/jira/browse/KAFKA-634
             Project: Kafka
          Issue Type: Bug
          Components: core
    Affects Versions: 0.7
            Reporter: Paul Garner


I am using the kafka-producer-shell.sh script without the --compress option

however my messages seem to be gzipped

the docs say compression is off by default:
http://incubator.apache.org/kafka/configuration.html

The only producer.properties file I can find is at:
/home/ubuntu/kafka-0.7.2-incubating-src/config/producer.properties

In there is:
compression.codec=0

My process looks like:

root      1748  1746  0 Nov19 ?        00:02:37 java -Xmx512M -server -Dlog4j.configuration=file:/usr/local/bin/kafka/../config/log4j.properties
-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false
-cp :/usr/local/bin/kafka/../project/boot/scala-2.8.0/lib/scala-compiler.jar:/usr/local/bin/kafka/../project/boot/scala-2.8.0/lib/scala-library.jar:/usr/local/bin/kafka/../core/target/scala_2.8.0/kafka-0.7.2.jar:/usr/local/bin/kafka/../core/lib/*.jar:/usr/local/bin/kafka/../perf/target/scala_2.8.0/kafka-perf-0.7.2.jar:/usr/local/bin/kafka/../core/lib_managed/scala_2.8.0/compile/jopt-simple-3.2.jar:/usr/local/bin/kafka/../core/lib_managed/scala_2.8.0/compile/log4j-1.2.15.jar:/usr/local/bin/kafka/../core/lib_managed/scala_2.8.0/compile/snappy-java-1.0.4.1.jar:/usr/local/bin/kafka/../core/lib_managed/scala_2.8.0/compile/zkclient-0.1.jar:/usr/local/bin/kafka/../core/lib_managed/scala_2.8.0/compile/zookeeper-3.3.4.jar
kafka.producer.ConsoleProducer --topic logtail --zookeeper x.x.x.x:2181

But the messages come out gobbledegook unless I use a client that understands compressed messages,
and in that client it identifies the bit as set to 1, gzip compression.


Jun Rao junrao@gmail.com via incubator.apache.org 
Nov 26 (1 day ago)
to kafka-users 

This seems to be a bug in ConsoleProducer. It also compresses messages and
ignores the --compress flag. Could you file a jira?

Thanks,
Jun

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