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https://issues.apache.org/jira/browse/MAHOUT-1047?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13641118#comment-13641118
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Angel Martinez Gonzalez commented on MAHOUT-1047:
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Yes, and then this new stop method is called for the readModel and the
writeModel inside ModelTrainer.stop().
The readModel is reused as writeModel in the next iteration, and
TopicModel.reset() is necessary for that.
> CVB hangs after completion
> --------------------------
>
> Key: MAHOUT-1047
> URL: https://issues.apache.org/jira/browse/MAHOUT-1047
> Project: Mahout
> Issue Type: Bug
> Components: Clustering
> Affects Versions: 0.7
> Environment: Ubuntu
> Reporter: seth boyles
> Priority: Minor
> Labels: cvb, lda
> Fix For: 0.7, 0.8
>
> Attachments: MAHOUT-1047.patch, MAHOUT-1047-Show-Leak.patch
>
>
> After running the new LDA CVB implementation, it hangs and does not terminate
> the process like every other time I run Mahout
> Terminal output:
> 12/07/19 11:38:49 INFO mapred.LocalJobRunner:
> 12/07/19 11:38:49 INFO mapred.Task: Task 'attempt_local_0022_m_000000_0' done.
> 12/07/19 11:38:49 INFO mapred.JobClient: map 100% reduce 0%
> 12/07/19 11:38:49 INFO mapred.JobClient: Job complete: job_local_0022
> 12/07/19 11:38:49 INFO mapred.JobClient: Counters: 8
> 12/07/19 11:38:49 INFO mapred.JobClient: File Output Format Counters
> 12/07/19 11:38:49 INFO mapred.JobClient: Bytes Written=2247793
> 12/07/19 11:38:49 INFO mapred.JobClient: File Input Format Counters
> 12/07/19 11:38:49 INFO mapred.JobClient: Bytes Read=1920337
> 12/07/19 11:38:49 INFO mapred.JobClient: FileSystemCounters
> 12/07/19 11:38:49 INFO mapred.JobClient: FILE_BYTES_READ=1342812616
> 12/07/19 11:38:49 INFO mapred.JobClient: FILE_BYTES_WRITTEN=1326092302
> 12/07/19 11:38:49 INFO mapred.JobClient: Map-Reduce Framework
> 12/07/19 11:38:49 INFO mapred.JobClient: Map input records=2772
> 12/07/19 11:38:49 INFO mapred.JobClient: Spilled Records=0
> 12/07/19 11:38:49 INFO mapred.JobClient: SPLIT_RAW_BYTES=140
> 12/07/19 11:38:49 INFO mapred.JobClient: Map output records=2772
> 12/07/19 11:38:49 INFO driver.MahoutDriver: Program took 4089950 ms (Minutes:
> 68.16583333333334)
> $MAHOUT_HOME/mahout cvb -i
> /home/seth/Scripted/mahout_data/vectors/vectors/vectors-for-cvb/ -o
> /home/seth/Scripted/mahout_data/clusters/ -ow -k 90 -dt
> /home/seth/Scripted/mahout_data/distributions -dict
> /home/seth/Scripted/mahout_data/vectors/vectors/dictionary.file-0 -mt
> /home/seth/Scripted/mahout_data/temp/ -x 20 -cd 0.05
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