[jira] [Commented] (ASTERIXDB-3555) Join Samples to get Join Selectivity

["ASF subversion and git services (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ASTERIXDB-3555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17934034#comment-17934034 ] 

ASF subversion and git services commented on ASTERIXDB-3555:
------------------------------------------------------------

Commit 1a7282afbe617ab4544e42fc5fc3da9a060caff3 in asterixdb's branch refs/heads/master from murali4104
[ https://gitbox.apache.org/repos/asf?p=asterixdb.git;h=1a7282afbe ]

[ASTERIXDB-3555][COMP] Use Join Samples to get Join Selectivity

Ext-ref: MB-65101

Change-Id: Iacf111e2d6ed5307b747045a57107eccb872d3f0
Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/asterixdb/+/19496
Reviewed-by: <mu...@couchbase.com>
Reviewed-by: Peeyush Gupta <pe...@couchbase.com>
Tested-by: Jenkins <je...@fulliautomatix.ics.uci.edu>


> Join Samples to get Join Selectivity
> ------------------------------------
>
>                 Key: ASTERIXDB-3555
>                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-3555
>             Project: Apache AsterixDB
>          Issue Type: Bug
>          Components: *DB - AsterixDB
>            Reporter: murali krishna
>            Priority: Minor
>              Labels: triaged
>
> Currently, we run a sampling query to estimate the number of distinct keys in the joining column to determine the join selectivity.
> We will now join the samples directly to determine the join selectivity.



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