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https://issues.apache.org/jira/browse/HADOOP-1603?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12512229
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Raghu Angadi commented on HADOOP-1603:
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It usually happens with following steps:
# Start Cluster
# Creates some files (e.g. run a randomWriter job)
# Delete some files (e.g. run another randomWrite job, which deletes earlier
files)
# Stop cluster (sooner the better).
# Start cluster again
My impression is that deleting the files in 3rd step somehow causes this.
> Replication gets set to 1 sometimes when Namenode restarted.
> ------------------------------------------------------------
>
> Key: HADOOP-1603
> URL: https://issues.apache.org/jira/browse/HADOOP-1603
> Project: Hadoop
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.14.0
> Reporter: Raghu Angadi
> Priority: Blocker
> Fix For: 0.14.0
>
>
> I have seen this with at least 3-4 weeks old trunk. It is not very
> deterministic but when the cluster restarts all files get their replication
> reset to 1. It is not deterministic but not very hard to reproduce. I could
> reproduce this on a small cluster. I will add more details.
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