Where is emrfs-site.xml ?

The emrfs-site.xml is being create if the EMRFS is enabled when creating the EMR in AWS. You can manage other related configurations by logging into the master node and in the following location,

[ec2-user@ip-123-45-67-89 ~]$ ls -ltr /usr/share/aws/emr/emrfs/conf/emrfs-site.xml
-rw-r–r– 1 root root 609 Feb 6 21:59 /usr/share/aws/emr/emrfs/conf/emrfs-site.xml
[ec2-user@ip-123-45-67-89 ~]$

[ec2-user@ip-123-45-67-89 ~]$ cat /usr/share/aws/emr/emrfs/conf/emrfs-site.xml
<?xml version=”1.0″?>
<?xml-stylesheet type=”text/xsl” href=”configuration.xsl”?>

<configuration>

<property>
<name>fs.s3.consistent.retryPeriodSeconds</name>
<value>10</value>
</property>

<property>
<name>fs.s3.consistent.retryCount</name>
<value>5</value>
</property>

<property>
<name>fs.s3.consistent</name>
<value>true</value>
</property>

<property>
<name>fs.s3.consistent.metadata.tableName</name>
<value>EmrFSMetadataTest</value>
</property>

<property>
<name>fs.s3.maxConnections</name>
<value>10000</value>
</property>

</configuration>