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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] Updated: (CASSANDRA-1338) optimize forward slices starting with '' by skipping the column index
Date Sun, 01 Aug 2010 00:58:16 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-1338?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Ellis updated CASSANDRA-1338:
--------------------------------------

    Fix Version/s: 0.7 beta 1
                       (was: 0.7.1)
         Priority: Minor  (was: Major)

05
    avoid writing index for rows that fit within a single index block
04
    split out SimpleColumnReader and ColumnGroupReader from SSTableSliceIterator as SimpleSliceReader
and IndexedSliceReader
03
    move column iterators to own subpackage of db
02
    add SimpleColumnReader to optimize start-from-beginning-of-row slices
01
    make ColumnGroupReader implement Iterator<IColumn>


> optimize forward slices starting with '' by skipping the column index
> ---------------------------------------------------------------------
>
>                 Key: CASSANDRA-1338
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1338
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Jonathan Ellis
>            Priority: Minor
>             Fix For: 0.7 beta 1
>
>         Attachments: 0001-make-ColumnGroupReader-implement-Iterator-IColumn.txt, 0002-add-SimpleColumnReader-to-optimize-start-from-beginnin.txt,
0003-move-column-iterators-to-own-subpackage-of-db.txt, 0004-split-out-SimpleColumnReader-and-ColumnGroupReader-fro.txt,
0005-avoid-writing-index-for-rows-that-fit-within-a-single-.txt
>
>


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