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https://issues.apache.org/jira/browse/PIG-2387?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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xuting zhao updated PIG-2387:
-----------------------------
Attachment: PIG-2387.patch
> BinStorageRecordReader causes negative progress
> -----------------------------------------------
>
> Key: PIG-2387
> URL: https://issues.apache.org/jira/browse/PIG-2387
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.8.0, 0.9.0
> Reporter: Anitha Raju
> Assignee: xuting zhao
> Fix For: 0.9.2
>
> Attachments: PIG-2387.patch
>
>
> Hi,
> When an input file of size greater than default split size is loaded using
> BinStorage() and some processing is done, the task returns negative progress
> Script
> {code}
> A = load 'input' using BinStorage() as (a:chararray);
> B = filter A by (a matches '.*blinds.*');
> store B into 'op';
> {code}
> Looking at the code, BinStorage which uses BinStorageRecordReader, has
> getProgress()
> {code}
> public float getProgress() {
> if (start == end) {
> return 0.0f;
> } else {
> return Math.min(1.0f, (pos - start) / (float)(end - start));
> }
> }
> {code}
> In BinStorageRecordReader, pos is always 0 and not getting updated at any
> point.
> So when the input file of size greater than default split size is loaded and
> processed, the getProgress() method returns negative value, thus showing
> negative progress.
> Regards,
> Anitha
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