Joshua McKenzie created CASSANDRA-8440:
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Summary: Refactor StorageProxy
Key: CASSANDRA-8440
URL: https://issues.apache.org/jira/browse/CASSANDRA-8440
Project: Cassandra
Issue Type: Improvement
Components: Core
Reporter: Joshua McKenzie
Fix For: 3.0
The StorageProxy is currently a monolithic singleton with a collection of
static methods. This ticket will track a multi-phase effort to refactor this
into appropriate subclasses, convert the internals to asynchronous operations,
and eventually change the API to being async.
See CASSANDRA-7392 for an example of a feature that this change would help
facilitate.
Broken down into 5 phases:
* Phase 1: Un-singleton and Break static methods down into classes
* Phase 2: Convert StorageProxy classes to futures, keep internal synchronous
processing so interface doesn't change
* Phase 3: Track count and limits on internal messages within StorageProxy
* Phase 4: Push async interface upstream
* Phase 5: Profile garbage generation from StorageProxy changes and consider
object pooling
Granularity with the breakdown above is to make reviews less painful and make
it easier to add unit-testing for this component as we go.
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