[
https://issues.apache.org/jira/browse/MAHOUT-474?focusedWorklogId=991416&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-991416
]
ASF GitHub Bot logged work on MAHOUT-474:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 13/Nov/25 02:22
Start Date: 13/Nov/25 02:22
Worklog Time Spent: 10m
Work Description: guan404ming commented on PR #620:
URL: https://github.com/apache/mahout/pull/620#issuecomment-3524853540
Hi @rich7420 @andrewmusselman could you help take a look at this, thanks!
Issue Time Tracking
-------------------
Worklog Id: (was: 991416)
Time Spent: 20m (was: 10m)
> 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: 20m
> 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)
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
