Harsh J created HBASE-10914:
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Summary: Improve the snapshot directory local copy during
ExportSnapshot
Key: HBASE-10914
URL: https://issues.apache.org/jira/browse/HBASE-10914
Project: HBase
Issue Type: Bug
Components: snapshots
Affects Versions: 0.96.0
Reporter: Harsh J
Priority: Minor
For tables with a lot of regions, the ExportSnapshot appears to "hang" without
progress cause it copies the .snapshot directory (which has tiny,
reference/reference-like files I assume) and does not report its state. Would
be good if it dumped its state for like say, every 50 files it copies.
This operation is also sequential, so takes a lot of time, and can be improved
to do 5-10 threads at a time in parallel perhaps, since the actual writes are
tiny (i.e. data transfer is no concern) and its mostly just NN interaction
that's needed here.
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