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https://issues.apache.org/jira/browse/LUCENE-2453?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12891946#action_12891946
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Uwe Schindler commented on LUCENE-2453:
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bq. Hi Andrzej, The patch has already been updated to incorporate the comments
above. Please let me know if you need anything else.
Karthick , you should not delete old patches from the issue, as it makes it
hard to follow the issue. Just upload the new patch with same filename and JIRA
will automatically gray the old one out, but its still visible.
> Make Index Output Buffer Size Configurable
> ------------------------------------------
>
> Key: LUCENE-2453
> URL: https://issues.apache.org/jira/browse/LUCENE-2453
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Store
> Affects Versions: 3.0.1
> Reporter: Karthick Sankarachary
> Attachments: LUCENE-2453.patch
>
>
> Currently, the buffered index input class allows sub-classes and users
> thereof to specify a size for the input buffer, which by default is 1024
> bytes. In practice, this option is leveraged by the simple file and compound
> segment index input sub-classes.
> By the same token, it would be nice if the buffered index output class could
> open up it's buffer size for users to configure. In particular, this would
> allow sub-classes thereof to align the output buffer size, which by default
> is 16348 bytes, to that of the underlying directory's data unit. For example,
> a network-based directory might want to buffer data in multiples of it's
> maximum transmission unit. To use an existing use-case, the file system-based
> directory could potentially choose to align it's output buffer size to the
> operating system's file block size.
> The proposed change to the buffered index output class involves defining a
> one-arg constructor that takes a user-defined buffer size, and a default
> constructor that uses the currently defined buffer size.
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