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getting info msg increasing replication from 3 to 10 for /tmp/am_staging ?

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getting info msg increasing replication from 3 to 10 for /tmp/am_staging ?

Guru

Hello,

I am getting following message frequently in hdfs-namenode log file. I understand this is because of mapreduce.client.submit.file.replication or mapred.submit.replication properties, but I want to know is there any burden on NN because of this also can we get rid of this ?

2018-05-20 02:50:39,098 INFOblockmanagement.BlockManager (BlockManager.java:setReplication(3016)) - Increasing replication from 3 to 10 for /tmp/am_staging/user/.staging/job_1526630951158_7122/job.jar

2018-05-20 02:50:39,736 INFOblockmanagement.BlockManager (BlockManager.java:setReplication(3016)) - Increasing replication from 3 to 10 for /tmp/am_staging/user/.staging/job_1526630951158_7122/job.split