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https://issues.apache.org/jira/browse/ASTERIXDB-3617?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18000567#comment-18000567
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ASF subversion and git services commented on ASTERIXDB-3617:
------------------------------------------------------------
Commit 5cbe08c9c10f383df164acacfddda0350a3c328d in asterixdb's branch
refs/heads/master from Ritik Raj
[ https://gitbox.apache.org/repos/asf?p=asterixdb.git;h=5cbe08c9c1 ]
[ASTERIXDB-3617][STO] Supporting sparse page zero writer
- user model changes: no
- storage format changes: yes
- interface changes: yes
Details:
Introducing sparse pageZero writer for
fitting columns offset + filter more efficiently
in case the batch of documents contains only
a subset of columns.
Ext-ref: MB-66306
Change-Id: Ide78a7c33dee69c24963921ee891f89c724cb262
Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/asterixdb/+/19986
Reviewed-by: Peeyush Gupta <[email protected]>
Integration-Tests: Jenkins <[email protected]>
Tested-by: Ritik Raj <[email protected]>
> Support sparse column pageZero writer
> -------------------------------------
>
> Key: ASTERIXDB-3617
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-3617
> Project: Apache AsterixDB
> Issue Type: Improvement
> Components: STO - Storage
> Affects Versions: 0.9.10
> Reporter: Ritik Raj
> Assignee: Ritik Raj
> Priority: Major
> Labels: triaged
> Fix For: 0.9.10
>
>
> There can be cases where the fields are sparse in the documents, but the
> current pageZero writer writes all the columns offset, taking few unnecessary
> space in pageZero, which might cause overflow even there are few fields in
> the batch.
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