Yu Li created HBASE-17743:
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Summary: Support embedded mode in HBase
Key: HBASE-17743
URL: https://issues.apache.org/jira/browse/HBASE-17743
Project: HBase
Issue Type: New Feature
Reporter: Yu Li
Assignee: Yu Li
Currently HBase supports stand-alone mode and suggest to use it for embedded
database requirements, which has below problems:
1. HMaster and HRegionServer are still separated threads, which cost more
resource
2. There’s still RPC cost when doing request, which makes a poor performance
3. There're still distributed component involved in standalone-mode, such as
zookeeper and DLS, which makes the startup/shutdown speed not acceptable for
embedded usage.
Here we propose to support the embedded mode natively, mainly in two steps:
1. Simple embedded mode, which still uses zookeeper for coordination, but with
only one server thread and supports access w/o RPC
2. Full embedded mode, which removes all distributed stuff and make a clean
embedded core for embedded usage.
Please see more details in the design doc.
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