Joel Koshy created KAFKA-550:
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Summary: Wildcarded consumption is single-threaded
Key: KAFKA-550
URL: https://issues.apache.org/jira/browse/KAFKA-550
Project: Kafka
Issue Type: Bug
Reporter: Joel Koshy
Assignee: Joel Koshy
It's surprising that we haven't noticed this before, but I was looking at a CPU
usage profile on yourkit and It turns out that only one mirror maker thread is
actually doing anything. Basically I suspect some bug in fetcher -> queue
mapping. Only one queue seems to have any data. I'll look into this probably
next week.
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