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https://issues.apache.org/jira/browse/MAHOUT-2065?focusedWorklogId=221052&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-221052
]
ASF GitHub Bot logged work on MAHOUT-2065:
------------------------------------------
Author: ASF GitHub Bot
Created on: 01/Apr/19 01:59
Start Date: 01/Apr/19 01:59
Worklog Time Spent: 10m
Work Description: bd2019us commented on pull request #370: MAHOUT-2065
[WIP] fix high risk crash bug
URL: https://github.com/apache/mahout/pull/370
### Purpose of PR:
Fix:
[#MAHOUT-2065](https://issues.apache.org/jira/browse/MAHOUT-2065)newCachedThreadPool()
has higher risk in causing OutOfMemoryError, newFixedThreadPool() should be
used.
### Important ToDos
Please mark each with an "x"
- [x ] A JIRA ticket exists (if not, please create this
first)[https://issues.apache.org/jira/browse/ZEPPELIN/]
- [x ] Title of PR is "MAHOUT-XXXX Brief Description of Changes" where XXXX
is the JIRA number.
- [x ] Successfully built and ran all unit tests, verified that all tests
pass locally.
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Issue Time Tracking
-------------------
Worklog Id: (was: 221052)
Time Spent: 10m
Remaining Estimate: 0h
> [SECURITY]newCachedThreadPool() has higher risk in causing OutOfMemoryError
> ---------------------------------------------------------------------------
>
> Key: MAHOUT-2065
> URL: https://issues.apache.org/jira/browse/MAHOUT-2065
> Project: Mahout
> Issue Type: Bug
> Reporter: bd2019us
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Location :
> community/mahout-mr/mr/src/main/java/org/apache/mahout/clustering/streaming/mapreduce/StreamingKMeansDriver.java:427
> Executors.newCachedThreadPool() is not secure when the number of threads is
> not bounded, which can cause OutOfMemoryError and crash the program. For
> security, using newFixedThreadPool(int) should be preferred, which can be
> freely configured manually on demand.
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