Jason Rosenberg created KAFKA-1122:
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Summary: Kafka can log giant log lines
Key: KAFKA-1122
URL: https://issues.apache.org/jira/browse/KAFKA-1122
Project: Kafka
Issue Type: Bug
Affects Versions: 0.8
Reporter: Jason Rosenberg
Priority: Minor
There are a number of log lines that the kafka server, and high-level consumer,
can log, that can end up becoming a giant log line. This can be cumbersome to
deal with in a log file.
This happens in my case as I have have a large number of topics (on the order
of 500-700 topics). Typically, these giant log lines will say something
separately about every topic on the broker. An example:
2013-11-04 23:28:11,148 INFO [kafka-request-handler-0] server.ReplicaManager -
[Replica Manager on Broker 10]: Handling LeaderAndIsr request
Name:LeaderAndIsrRequest;Version:0;Controller:11;ControllerEpoch:220;CorrelationId:5;ClientId:id_11-host_null-port_27330;PartitionState:(mytopic,0)
->
(LeaderAndIsrInfo:(Leader:11,ISR:11,LeaderEpoch:43,ControllerEpoch:219),ReplicationFactor:2),.....
Imagine that line going on with a separate entry for 700 topics. There are
many other examples of this phenomenon in the server, and high-level consumer.
I'd think these log lines could be separated into a single line per topic.
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