[jira] [Resolved] (ASTERIXDB-3453) Incompressible pages are not written as full pages

["Ian Maxon (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ASTERIXDB-3453?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ian Maxon resolved ASTERIXDB-3453.
----------------------------------
    Resolution: Fixed

> Incompressible pages are not written as full pages
> --------------------------------------------------
>
>                 Key: ASTERIXDB-3453
>                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-3453
>             Project: Apache AsterixDB
>          Issue Type: Bug
>          Components: STO - Storage
>    Affects Versions: 0.9.10
>            Reporter: Wail Y. Alkowaileet
>            Assignee: Wail Y. Alkowaileet
>            Priority: Blocker
>              Labels: triaged
>             Fix For: 0.9.10
>
>
> Incompressible pages are not written entirely. Although this won't impose an issue in a non-cloud deployment, but in a cloud deployment, this would mess up the file. The reason is that, in a cloud deployment, writes are "append-only". That means, writes' offsets cannot be used to determine the write position.
> Thus, if an incompressible page is written and the size of the page is smaller than a full page, this could write this page's content at the wrong position in the cloud storage – leading to have more bytes in local files than in the cloud.



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