aajisaka commented on issue #1397: MAPREDUCE-7237. Supports config the shuffle's path cache related parameters URL: https://github.com/apache/hadoop/pull/1397#issuecomment-574022538 Hi @jiwq, I have two questions: * Have you tuned the parameters in your environment? * If the answer is yes, is there any positive effect? As Jian He commented in https://issues.apache.org/jira/browse/MAPREDUCE-6197?focusedCommentId=15333791&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-15333791 > If we found any issue with current settings/policy in large production deployment in future, we can change both side together. I'd like to know it's the time to make the paramters configurable or not.
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