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https://issues.apache.org/jira/browse/MAHOUT-474?focusedWorklogId=991684&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-991684
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ASF GitHub Bot logged work on MAHOUT-474:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 14/Nov/25 09:35
Start Date: 14/Nov/25 09:35
Worklog Time Spent: 10m
Work Description: guan404ming merged PR #620:
URL: https://github.com/apache/mahout/pull/620
Issue Time Tracking
-------------------
Worklog Id: (was: 991684)
Time Spent: 40m (was: 0.5h)
> Should compress output of Job pairwiseSimilarity and Job asMatrix
> -----------------------------------------------------------------
>
> Key: MAHOUT-474
> URL: https://issues.apache.org/jira/browse/MAHOUT-474
> Project: Mahout
> Issue Type: Improvement
> Affects Versions: 0.4
> Reporter: Han Hui Wen
> Assignee: Sean R. Owen
> Priority: Major
> Time Spent: 40m
> Remaining Estimate: 0h
>
> !https://issues.apache.org/jira/secure/attachment/12451985/RowSimilarityJob-CooccurrencesMapper-SimilarityReducer.jpg!
> From above picture ,we can see that the output of pairwiseSimilarity is very
> large ,we should compress them.
> SequenceFileOutputFormat.setOutputCompressionType(job, style);
> SequenceFileOutputFormat.setCompressOutput(job, compress);
> SequenceFileOutputFormat.setOutputCompressorClass(job, codecClass)
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