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Hadoop Parameters

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Hadoop Parameters

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Team

Iam planning to change value for below parameters on prod.. Can you please help me to know what the below parameter will cause if i change the values.

HDFS

Parameter Current value PROD Current value DR

dfs.namenode.handler.count 40 100

yarn Parameter current Value(PROD) Current Value(DR)

yarn.timeline-service.ttl-ms 259200000 604800000

mapreduce

Parameter current Value(PROD) Current Value(DR)

mapreduce.task.io.sort.mb 1433 819

yarn.app.mapreduce.am.resource.mb 4096 2048

Tell me what is the value i can set and what will impact if i chage

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Re: Hadoop Parameters

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