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Posted to common-user@hadoop.apache.org by sandeep <sa...@huawei.com> on 2011/02/19 09:13:10 UTC
When namenode goes down while checkpointing and if is started again
Checkpoiting is always failing
Hi ,
When namenode goes down while checkpointing and if is restarted
,subsequent Checkpoit is always failing.
While checkpointing edits.new file will be created ,and before mege happens
if namenode goes down then edits.new file will still be present in namenode
current dir
Now if namenode is started again,during checkpoint it will not
divertFileStreams from edits to edits.new as a result of it checkpointing
will always fail while validating
uploadCheckpoint ..
Fsimage.validateCheckpointUpload.
Thanks
sandeep
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