FAQ
Complete decoupling of failure states between edits and image dirs
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Key: HDFS-2174
URL: https://issues.apache.org/jira/browse/HDFS-2174
Project: Hadoop HDFS
Issue Type: Sub-task
Components: name-node
Affects Versions: 0.23.0
Reporter: Todd Lipcon


After HDFS-1073, there is no reason to couple the failure state of edits dirs and image dirs. However, there is still a small amount of coupling in that image dirs are restored only when edits are rolled. This is not problematic, and mirrors the old behavior, but we could do better now -- eg provide an interfaces for ops to monitor and manually manage image dir states at any point in time.

This is targeted to be fixed _after_ HDFS-1073 is merged.

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postedJul 20, '11 at 12:42a
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