Blocks remain under-replicated
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Key: HADOOP-5465
URL: https://issues.apache.org/jira/browse/HADOOP-5465
Project: Hadoop Core
Issue Type: Bug
Components: dfs
Affects Versions: 0.18.3
Reporter: Hairong Kuang
Assignee: Hairong Kuang
Priority: Blocker
Fix For: 0.18.4
Occasionally we see some blocks remain to be under-replicated in our production
clusters. This is what we obeserved:
1. Sometimes when increasing the replication factor of a file, some blocks
belonged to this file do not get to increase to the new replication factor.
2. When taking meta save in two different days, some blocks remain in
under-replication queue.
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