AlreadyBeingCreatedException because pendingCreates is non-null
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Key: HADOOP-1583
URL: https://issues.apache.org/jira/browse/HADOOP-1583
Project: Hadoop
Issue Type: Bug
Affects Versions: 0.9.2
Reporter: Konstantin Shvachko
Fix For: 0.14.0
When a client lease expires the lease monitor removes it from the list of
leases, but
does not release pendingCreates files. When the name-node sees a file in
pendingCreates
which does not have a lease for the original client it throws
AlreadyBeingCreatedException.
This was reported in several issues like HADOOP-1411, but has never been
resolved.
I see two approaches:
# clean pendingCreates when leases expire, or
# reuse entries in pending creates for which there are no lease.
The first is preferable imo since it cleans memory at the right time.
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