EVL – ETL Tool

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Table of Contents


(since EVL 1.1)

Component calls kafka consumer command, specified by ‘EVL_KAFKA_CONSUMER_COMMAND’, which is by default ‘kafka-console-consumer.sh’. and run it with options:

--bootstrap-server "<server>:<port>" --topic "<topic>" ``<kafka_consumer_opts>``

and send the output to <f_out>.


is to be used in EVS job structure definition file. <f_out> is either output file or flow name.

evl readkafka

is intended for standalone usage, i.e. to be invoked from command line and and write to standard output.

EVS is EVL job structure definition files, for details see evl-evd(5) and evl-evs(5).


  <topic> <f_out> <server:port> [<kafka_consumer_opts>]

evl readkafka
  <topic> <server:port> [<kafka_consumer_opts>]

evl readkafka
  ( --help | --usage | --version )


-y, --text-output

write the output as text, not binary

Standard options:


print this help and exit


print short usage information and exit

-v, --verbose

print to stderr info/debug messages of the component


print version and exit