[ https://issues.apache.org/jira/browse/HDFS-3119?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Brandon Li reassigned HDFS-3119:
--------------------------------
Assignee: Brandon Li
> Overreplicated block is not deleted even after the replication factor is reduced after
sync follwed by closing that file
> ------------------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-3119
> URL: https://issues.apache.org/jira/browse/HDFS-3119
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: name-node
> Affects Versions: 0.24.0
> Reporter: J.Andreina
> Assignee: Brandon Li
> Priority: Minor
> Fix For: 0.24.0, 0.23.2
>
>
> cluster setup:
> --------------
> 1NN,2 DN,replication factor 2,block report interval 3sec ,block size-256MB
> step1: write a file "filewrite.txt" of size 90bytes with sync(not closed)
> step2: change the replication factor to 1 using the command: "./hdfs dfs -setrep 1 /filewrite.txt"
> step3: close the file
> * At the NN side the file "Decreasing replication from 2 to 1 for /filewrite.txt" , logs
has occured but the overreplicated blocks are not deleted even after the block report is sent
from DN
> * while listing the file in the console using "./hdfs dfs -ls " the replication factor
for that file is mentioned as 1
> * In fsck report for that files displays that the file is replicated to 2 datanodes
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