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https://issues.apache.org/jira/browse/HBASE-17743?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yu Li updated HBASE-17743:
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Attachment: Embedded HBase Design.docx
Uploading the design doc
> 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
> Attachments: Embedded HBase Design.docx
>
>
> 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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