Help Center/ MapReduce Service/ Component Operation Guide (Normal)/ Using HDFS/ HDFS O&M Management/ HDFS Common Parameters
Updated on 2025-10-11 GMT+08:00
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HDFS Common Parameters

Procedure

  1. Log in to FusionInsight Manager.

    For details about how to log in to FusionInsight Manager, see Accessing MRS Manager.

  2. Choose Cluster > Services > HDFS > Configurations > All Configurations.
  3. Modify the parameters as required.
  4. Click Save. Then, confirm the operation impact and click OK.
  5. After the message "Operation succeeded" is displayed, click Finish. The configuration is modified.

    Check whether there is any service whose configuration has expired in the cluster. If yes, restart the corresponding service or role instance for the configuration to take effect.

Table 1 HDFS parameters

Parameter

Description

Default Value

fs.obs.security.provider

Implementation method of obtaining the key for accessing the OBS file system

Value options are as follows:

  • com.huawei.mrs.MrsObsCredentialsProvider: obtains a credential through an MRS agency.
  • com.obs.services.EcsObsCredentialsProvider: obtains an AK/SK through the ECS service.
  • com.obs.services.BasicObsCredentialsProvider: uses the AK/SK information transferred to OBS.
  • com.obs.services.EnvironmentVariableObsCredentialsProvider: reads AK/SK information from environment variables.

com.huawei.mrs.MrsObsCredentialsProvider
Parent topic: HDFS O&M Management