[teiid-issues] [JBoss JIRA] (TEIID-1742) Page ids are not sufficiently unique

[Paul Nittel (Closed) (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-1742?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Paul Nittel closed TEIID-1742.
------------------------------



I'm taking Steve's word for this. I don't have the time to run any test 2^32 (or 4,294,967,296) times.

Closed.
                
> Page ids are not sufficiently unique
> ------------------------------------
>
>                 Key: TEIID-1742
>                 URL: https://issues.jboss.org/browse/TEIID-1742
>             Project: Teiid
>          Issue Type: Bug
>          Components: Query Engine
>    Affects Versions: 7.1
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>            Priority: Blocker
>             Fix For: 7.4.1, 7.6
>
>
> The pages used for internal matviews / temporary tables currently use a single shared integer for id generation.  Conflicts are possible then after 2^32 page allocations that access the buffermanager.
> In practice this condition should take a minimum of several weeks to trigger, but more likely it would take months if not years (fewer updates, larger page sizes, less chance of an id conflict, etc.)

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