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Add note for MPIR_CVAR_CH3_PORT_RANGE #1889

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Jan 17, 2023
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Add note for MPIR_CVAR_CH3_PORT_RANGE #1889

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4 changes: 4 additions & 0 deletions docs-2.0/graph-computing/nebula-analytics.md
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Expand Up @@ -78,6 +78,10 @@ NebulaGraph Analytics supports the following graph algorithms.

2. Configure the correct Hadoop path and JDK path in the file `set_env.sh`, the file path is `nebula-analytics/scripts/set_env.sh`. If there are multiple machines, ensure that the paths are the same.

!!! note

The default TCP port range used by the MPICH process manager and MPICH library is 10000 to 10100. To adjust this, modify the value of the environment variable `MPIR_CVAR_CH3_PORT_RANGE` in the `set_env.sh` file.

```
export HADOOP_HOME=<hadoop_path>
export JAVA_HOME=<java_path>
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