Setting the Maximum Lifetime and Renewal Interval of a Token¶
Scenario¶
In security mode, users can flexibly set the maximum token lifetime and token renewal interval in HDFS based on cluster requirements.
Configuration Description¶
Navigation path for setting parameters:
Go to the All Configurations page of HDFS and enter a parameter name in the search box by referring to Modifying Cluster Service Configuration Parameters.
Parameter | Description | Default Value |
|---|---|---|
dfs.namenode.delegation.token.max-lifetime | This parameter is a server parameter. It specifies the maximum lifetime of a token. Unit: milliseconds. Value range: 10,000 to 10,000,000,000,000 | 604,800,000 |
dfs.namenode.delegation.token.renew-interval | This parameter is a server parameter. It specifies the maximum lifetime to renew a token. Unit: milliseconds. Value range: 10,000 to 10,000,000,000,000 | 86,400,000 |