xupeng created HDFS-10328:
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Summary: Add cache pool level replication managment
Key: HDFS-10328
URL: https://issues.apache.org/jira/browse/HDFS-10328
Project: Hadoop HDFS
Issue Type: Sub-task
Components: caching
Reporter: xupeng
Assignee: xupeng
Priority: Minor
For now, hdfs cacheadmin can not set a replication num for cachepool. Each
cache directive added in the cache pool should set their own replication num
individually.
Consider this situation, we add daily hive table into cache pool "hive" .Each
time i should set the same replication num for every table directive in the
same cache pool.
I think we should enable setting a replication num for cachepool that every
cache directive in the pool can inherit replication configuration from the
pool. Also cache directive can override replication configuration explicitly by
calling "add & modify directive -replication" command from cli.
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