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From "Jonathan Gray (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-1249) Rearchitecting of server, client, API, key format, etc for 0.20
Date Thu, 19 Mar 2009 01:27:50 GMT

     [ https://issues.apache.org/jira/browse/HBASE-1249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Gray updated HBASE-1249:
---------------------------------

    Attachment: HBASE-1249-Example-v1.pdf

This contains an example Memcache and two example StoreFiles using previously described keys,
comparators, and deletes.

There are wordy psuedo-code implementations of 5 different queries and their server-side execution
logic.  It explains how everything in GetQueries would work in practice.

It's difficult to break this work up, like one person working on deletes, because to do this
stuff right it requires a much bigger overall rearchitecture of things.  Erik already has
a good bit of code written for all this, so he and I are willing to take this stuff on.  

That being said, these are major changes and we need feedback.

> Rearchitecting of server, client, API, key format, etc for 0.20
> ---------------------------------------------------------------
>
>                 Key: HBASE-1249
>                 URL: https://issues.apache.org/jira/browse/HBASE-1249
>             Project: Hadoop HBase
>          Issue Type: Improvement
>            Reporter: Jonathan Gray
>            Priority: Blocker
>             Fix For: 0.20.0
>
>         Attachments: HBASE-1249-Example-v1.pdf, HBASE-1249-GetQuery-v1.pdf, HBASE-1249-GetQuery-v2.pdf,
HBASE-1249-StoreFile-v1.pdf
>
>
> To discuss all the new and potential issues coming out of the change in key format (HBASE-1234):
zero-copy reads, client binary protocol, update of API (HBASE-880), server optimizations,
etc...

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