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https://issues.apache.org/jira/browse/OMID-240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17786871#comment-17786871
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Rajeshbabu Chintaguntla edited comment on OMID-240 at 11/16/23 5:36 PM:
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This issue happening with Inmemory timestamp and commit tables. With HBase
timestamp and commit tables not able to reproduce this even ran 100s of times.
Now checking why it's happening with Inmemory tables with additional logging.
was (Author: rajeshbabu):
This issue happening with Inmemory timestamp and commit tables used. With HBase
timestamp and commit table not able to reproduce this.
> Transactional visibility is broken
> ----------------------------------
>
> Key: OMID-240
> URL: https://issues.apache.org/jira/browse/OMID-240
> Project: Phoenix Omid
> Issue Type: Bug
> Affects Versions: 1.1.0
> Reporter: Lars Hofhansl
> Assignee: Rajeshbabu Chintaguntla
> Priority: Critical
> Attachments: hbase-omid-client-config.yml,
> omid-server-configuration.yml
>
>
> Client I:
> {code:java}
> > create table test(x float primary key, y float) DISABLE_WAL=true,
> TRANSACTIONAL=true;
> No rows affected (1.872 seconds)
> > !autocommit off
> Autocommit status: false
> > upsert into test values(rand(), rand());
> 1 row affected (0.018 seconds)
> > upsert into test select rand(), rand() from test;
> -- 18-20x
> > !commit{code}
>
> Client II:
> {code:java}
> -- repeat quickly after the commit on client I
> > select count(*) from test;
> +----------+
> | COUNT(1) |
> +----------+
> | 0 |
> +----------+
> 1 row selected (1.408 seconds)
> > select count(*) from test;
> +----------+
> | COUNT(1) |
> +----------+
> | 259884 |
> +----------+
> 1 row selected (2.959 seconds)
> > select count(*) from test;
> +----------+
> | COUNT(1) |
> +----------+
> | 260145 |
> +----------+
> 1 row selected (4.274 seconds)
> > select count(*) from test;
> +----------+
> | COUNT(1) |
> +----------+
> | 260148 |
> +----------+
> 1 row selected (5.563 seconds)
> > select count(*) from test;
> +----------+
> | COUNT(1) |
> +----------+
> | 260148 |
> +----------+
> 1 row selected (5.573 seconds){code}
> The second client should either show 0 or 260148. But no other value!
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