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The following command lists all of the instances in a cluster with the cluster ID ``j-3C6XNQ39VR9WL``::
aws emr list-instances --cluster-id j-3C6XNQ39VR9WL
Output::
For a uniform instance group based cluster
{
"Instances": [
{
"Status": {
"Timeline": {
"ReadyDateTime": 1433200400.03,
"CreationDateTime": 1433199960.152
},
"State": "RUNNING",
"StateChangeReason": {}
},
"Ec2InstanceId": "i-f19ecfee",
"PublicDnsName": "ec2-52-52-41-150.us-west-2.compute.amazonaws.com",
"PrivateDnsName": "ip-172-21-11-216.us-west-2.compute.internal",
"PublicIpAddress": "52.52.41.150",
"Id": "ci-3NNHQUQ2TWB6Y",
"PrivateIpAddress": "172.21.11.216"
},
{
"Status": {
"Timeline": {
"ReadyDateTime": 1433200400.031,
"CreationDateTime": 1433199949.102
},
"State": "RUNNING",
"StateChangeReason": {}
},
"Ec2InstanceId": "i-1feee4c2",
"PublicDnsName": "ec2-52-63-246-32.us-west-2.compute.amazonaws.com",
"PrivateDnsName": "ip-172-31-24-130.us-west-2.compute.internal",
"PublicIpAddress": "52.63.246.32",
"Id": "ci-GAOCMKNKDCV7",
"PrivateIpAddress": "172.21.11.215"
},
{
"Status": {
"Timeline": {
"ReadyDateTime": 1433200400.031,
"CreationDateTime": 1433199949.102
},
"State": "RUNNING",
"StateChangeReason": {}
},
"Ec2InstanceId": "i-15cfeee3",
"PublicDnsName": "ec2-52-25-246-63.us-west-2.compute.amazonaws.com",
"PrivateDnsName": "ip-172-31-24-129.us-west-2.compute.internal",
"PublicIpAddress": "52.25.246.63",
"Id": "ci-2W3TDFFB47UAD",
"PrivateIpAddress": "172.21.11.214"
}
]
}
For a fleet based cluster:
{
"Instances": [
{
"Status": {
"Timeline": {
"ReadyDateTime": 1487810810.878,
"CreationDateTime": 1487810588.367,
"EndDateTime": 1488022990.924
},
"State": "TERMINATED",
"StateChangeReason": {
"Message": "Instance was terminated."
}
},
"Ec2InstanceId": "i-xxxxx",
"InstanceFleetId": "if-xxxxx",
"EbsVolumes": [],
"PublicDnsName": "ec2-xx-xxx-xxx-xxx.compute-1.amazonaws.com",
"InstanceType": "m3.xlarge",
"PrivateDnsName": "ip-xx-xx-xxx-xx.ec2.internal",
"Market": "SPOT",
"PublicIpAddress": "xx.xx.xxx.xxx",
"Id": "ci-xxxxx",
"PrivateIpAddress": "10.47.191.80"
}
]
}
Private