[jira] Commented: (LUCENE-2726) simulate disk fulls in copyBytes

["Robert Muir (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LUCENE-2726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12925806#action_12925806 ] 

Robert Muir commented on LUCENE-2726:
-------------------------------------

So the question here, is how to account for the fact that copyBytes might call writeBytes (like it does today), and not double-count the bytes for disk full.


> simulate disk fulls in copyBytes
> --------------------------------
>
>                 Key: LUCENE-2726
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2726
>             Project: Lucene - Java
>          Issue Type: Test
>          Components: Build
>            Reporter: Robert Muir
>             Fix For: 3.1, 4.0
>
>         Attachments: LUCENE-2726.patch
>
>
> In LUCENE-2637, i disabled copyBytes optimization (so it just calls writeBytes), but i mentioned there,
> that I think it would be good to try to beef up tests if we ever wanted to have an optimization like this.
> the problem was that when there was an index corruption bug, it was very difficult to detect with our tests.
> So I think for safety, we should do this, even though its redundant with our current impl, since we look
> for this in writeBytes.

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