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https://issues.apache.org/jira/browse/HADOOP-5358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12678143#action_12678143
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Hairong Kuang commented on HADOOP-5358:
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command-line arguments parsing:
when -scriptFile is specified, makes sure that neither rp, wp, nor ealspsed
time is specified.
loadScriptFile:
1. should put file close in finally to make the script file is closed even if
errors occur when reading the file;
2. better check the validity of read and write probabilities (r+w should
smaller than 1) while reading the script file so no need to continue reading if
there is an invalid parameter.
3. could use List.toArray to do the array conversion;
4. what if the script file contains no valid lines
> Provide scripting functionality to the synthetic load generator
> ---------------------------------------------------------------
>
> Key: HADOOP-5358
> URL: https://issues.apache.org/jira/browse/HADOOP-5358
> Project: Hadoop Core
> Issue Type: Improvement
> Components: test
> Reporter: Jakob Homan
> Assignee: Jakob Homan
> Priority: Minor
> Attachments: HADOOP-5358.patch
>
>
> Currently the load generator accepts parameters at start time as to the read
> and write probabilities to apply against the namenode. It would be useful to
> be able to provide it with a script of these values, so that they can be
> varied over time. This would allow the namenode to be tested with varying
> loads over time so its behavior to changing loads can be examined.
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