Optimization for Unstable HDFS Network
Scenario
Clients probably encounter running errors when the network is not stable. You can adjust the following parameter values to improve the running efficiency.
Procedure
- Log in to FusionInsight Manager.
- Choose Cluster > Services > HDFS > Configurations > All Configurations.
- Search for the following parameters and change their values as required.
Table 1 Parameters Parameter
Description
Default Value
ha.health-monitor.rpc-timeout.ms
Timeout interval during the NameNode health check performed by ZKFC. Increasing this value can prevent dual active NameNodes and reduce the probability of application running exceptions on clients.
Unit: millisecond. Value range: 30,000 to 3,600,000
180,000
ipc.client.connect.max.retries.on.timeouts
Number of retry times when the socket connection between a server and a client times out.
Value range: 1 to 256
45
ipc.client.connect.timeout
Timeout interval of the socket connection between a client and a server. Increasing the value of this parameter increases the timeout interval for setting up a connection.
Unit: millisecond. Value range: 1 to 3,600,000
20,000
- Save the settings. Restart the expired service or instance for the configuration to take effect.
