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https://issues.apache.org/jira/browse/KAFKA-515?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Swapnil Ghike updated KAFKA-515:
--------------------------------
Affects Version/s: 0.8.1
> Log cleanup can close a file channel opnened by Log.read before the transfer
> completes
> --------------------------------------------------------------------------------------
>
> Key: KAFKA-515
> URL: https://issues.apache.org/jira/browse/KAFKA-515
> Project: Kafka
> Issue Type: Bug
> Affects Versions: 0.8, 0.8.1
> Reporter: Swapnil Ghike
> Labels: bugs
> Fix For: 0.8.1
>
>
> If consumers are lagging behind, then log cleanup activities can close a file
> channel opened by Log.read
> 1. before the transfer the starts (broker will probably throw an exception in
> this case) OR
> 2. during the transfer (possibility of half baked corrupted data being sent
> to consumer?)
> We probably haven't hit this race condition in practice because the consumers
> consume data well before the logs are cleaned up.
> To avoid this issue, we could avoid cleaning up the file until the transfer
> is complete. Reference counting?
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