Help Center> MapReduce Service> Component Operation Guide (Normal)> Using HDFS> Setting the Maximum Lifetime and Renewal Interval of a Token
Updated on 2022-09-22 GMT+08:00
View PDF

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.

Table 1 Parameter description

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
Parent topic: Using HDFS