Ryne Yang created KAFKA-8625:
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Summary: intra broker data balance stuck
Key: KAFKA-8625
URL: https://issues.apache.org/jira/browse/KAFKA-8625
Project: Kafka
Issue Type: Bug
Affects Versions: 1.1.1
Environment: Linux 2.6.32-431.5.1.el6.x86_64 #1 SMP x86_64 x86_64
x86_64 GNU/Linux
Reporter: Ryne Yang
when we used kafka cruise control to invoke kafka's new feature intra broker
disk balance, it did a great work however the process seems to stuck at the
last mile.
we stop seeing more movements meaning the move is done and we do see great
balanced results from our monitoring, but there are some logdirs that are stuck
at moving indicated as below example:
{code:java}
{"partition":"LOGSTASH5-4","size":0,"offsetLag":123189442,"isFuture":true}
{code}
there are a handful of those partitions on each broker and they seem to be
random.
we have waited for days and they don't seem to go away. however we haven't
tried to restart the controller broker yet.
does anyone know how to solve this and more importantly why did this happen?
so far we've only tried on version 1.1.1. no idea if this got fixed in the
later version.
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