Tsz Wo Nicholas Sze created HDFS-6670:
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Summary: Archival Storage: Add block storage policy
Key: HDFS-6670
URL: https://issues.apache.org/jira/browse/HDFS-6670
Project: Hadoop HDFS
Issue Type: Sub-task
Components: namenode
Reporter: Tsz Wo Nicholas Sze
Assignee: Tsz Wo Nicholas Sze
Support block storage policy such as the table below.
||Policy Name || File creation || Fallback storage for creation || Fallback
storage for replication ||
| Hot | All DISK | <none> | ARCHIVE |
| Warm | 1 DISK, 2 ARCHIVE | ARCHIVE, DISK | ARCHIVE, DISK |
| Cold | All ARCHIVE | <none> | <none> |
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