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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1249) Rearchitecting of server, client, API, key format, etc for 0.20
Date Wed, 29 Apr 2009 21:51:30 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12704360#action_12704360
] 

stack commented on HBASE-1249:
------------------------------

Thanks for the exposition.   I like it for case of gets of many columns into table with many
deletes.

I must say though that I'm surprised for the case described above -- few entries with two
families and no deletes -- that the difference is even discernible, never mind that its 2x.
 Are you sure its because of the above described changes and not something else about the
new code path?  Perhaps something is being skipped or there is dumb bug in old code?

> 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-Example-v2.pdf, HBASE-1249-GetQuery-v1.pdf,
HBASE-1249-GetQuery-v2.pdf, HBASE-1249-GetQuery-v3.pdf, HBASE-1249-GetQuery-v4.pdf, HBASE-1249-StoreFile-v1.pdf,
HBASE-1249-StoreFile-v4.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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