Wellington Chevreuil created HBASE-29249:
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Summary: Allow for BlockCache implementations to define dynamic
properties
Key: HBASE-29249
URL: https://issues.apache.org/jira/browse/HBASE-29249
Project: HBase
Issue Type: Improvement
Reporter: Wellington Chevreuil
Assignee: Wellington Chevreuil
We have some customers use case finding useful to have some of the BucketCache
configurations dynamically set, such as the accept factor or the queue addition
wait time.
HBASE-28517 has already made some other cache related properties dynamically
configurable, and CacheConfig already implements the
ConfigurationObserver and registers itself for config changes notifications.
Since CacheConfig holds a reference for the BlockCache implementation, we could
just allow for BlockCache implementation to define their own dynamic
configuration logic by define a refreshConfig method in the BlockCache
interface that would get called from CacheConfig.onConfigurationChange().
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