Andrew Wang created HDFS-11643:
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Summary: Balancer fencing fails when writing erasure coded lock
file
Key: HDFS-11643
URL: https://issues.apache.org/jira/browse/HDFS-11643
Project: Hadoop HDFS
Issue Type: Bug
Components: balancer & mover, erasure-coding
Affects Versions: 3.0.0-alpha1
Reporter: Andrew Wang
Priority: Critical
At startup, the balancer writes its hostname to the lock file and calls
hflush(). hflush is not supported for EC files, so this fails when the entire
filesystem is erasure coded.
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