Coarse-grained dynamic configuration changes
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Key: HADOOP-7319
URL: https://issues.apache.org/jira/browse/HADOOP-7319
Project: Hadoop Common
Issue Type: Improvement
Components: conf
Reporter: Ted Yu
HADOOP-7001 introduced mechanism for performing dynamic configuration changes
where reconfigureProperty()/reconfigurePropertyImpl() only notifies single
property change.
Normally, components which use ReconfigurableBase would involve several related
properties whose update should be done atomically.
This JIRA provides coarse-grained dynamic configuration changes with the
following benefits:
1. consistency updating related properties dynamically
2. reduction of lock contention when multiple properties are changed in
proximity
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