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Posted to hdfs-dev@hadoop.apache.org by "Brahma Reddy Battula (JIRA)" <ji...@apache.org> on 2018/08/21 12:28:00 UTC
[jira] [Created] (HDFS-13840) RBW Blocks which are having less GS
shouldn't added on DN restart
Brahma Reddy Battula created HDFS-13840:
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Summary: RBW Blocks which are having less GS shouldn't added on DN restart
Key: HDFS-13840
URL: https://issues.apache.org/jira/browse/HDFS-13840
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Brahma Reddy Battula
Assignee: Brahma Reddy Battula
# Start two DN's (DN1,DN2).
# Write fileA with rep=2 ( dn't close)
# Stop DN1.
# Write some data to fileA.
# restart the DN1
# Get the blocklocations of fileA.
Here RWR state block will be reported on DN restart and added to locations.
IMO,RWR blocks which having less GS shouldn't added, as they give false postive (anyway read can be failed as it's genstamp is less)
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