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From Fabian Kochem <fabian.koc...@concepts-and-training.de>
Subject Lots of messages when starting Kafka
Date Wed, 06 Jul 2016 13:50:46 GMT
Hi,

this is my first time using a mailing list so please forgive me if I'm 
doing something wrong.

When I start Kafka, I get a ton of messages like this:

WARN Found a corrupted index file, 
/kafka/logs/__consumer_offsets-48/00000000000000000000.index, deleting 
and rebuilding index... (kafka.log.Log)
INFO Recovering unflushed segment 0 in log __consumer_offsets-48. 
(kafka.log.Log)
INFO Completed load of log __consumer_offsets-48 with log end offset 0 
(kafka.log.Log)
WARN Found a corrupted index file, 
/kafka/logs/__consumer_offsets-19/00000000000000000000.index, deleting 
and rebuilding index... (kafka.log.Log)
INFO Recovering unflushed segment 0 in log __consumer_offsets-19. 
(kafka.log.Log)
INFO Completed load of log __consumer_offsets-19 with log end offset 0 
(kafka.log.Log)
WARN Found a corrupted index file, 
/kafka/logs/__consumer_offsets-3/00000000000000000000.index, deleting 
and rebuilding index... (kafka.log.Log)
INFO Recovering unflushed segment 0 in log __consumer_offsets-3. 
(kafka.log.Log)
INFO Completed load of log __consumer_offsets-3 with log end offset 0 
(kafka.log.Log)

And after that, there's an equal amount of messages which look like this:

INFO [Group Metadata Manager on Broker 1001]: Loading offsets and group 
metadata from [__consumer_offsets,22] 
(kafka.coordinator.GroupMetadataManager)
INFO [Group Metadata Manager on Broker 1001]: Finished loading offsets 
from [__consumer_offsets,22] in 11 milliseconds. 
(kafka.coordinator.GroupMetadataManager)
INFO [Group Metadata Manager on Broker 1001]: Loading offsets and group 
metadata from [__consumer_offsets,25] 
(kafka.coordinator.GroupMetadataManager)
INFO [Group Metadata Manager on Broker 1001]: Finished loading offsets 
from [__consumer_offsets,25] in 4 milliseconds. 
(kafka.coordinator.GroupMetadataManager)
INFO [Group Metadata Manager on Broker 1001]: Loading offsets and group 
metadata from [__consumer_offsets,28] 
(kafka.coordinator.GroupMetadataManager)
INFO [Group Metadata Manager on Broker 1001]: Finished loading offsets 
from [__consumer_offsets,28] in 2 milliseconds. 
(kafka.coordinator.GroupMetadataManager)

Did I misconfigure something?

I only have one topic with a few consumers, so this seems a bit much. I 
shutdown Kafka using SIGTERM.

Thanks in advance,
Fabian Kochem

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