xichen01 opened a new pull request, #6655:
URL: https://github.com/apache/ozone/pull/6655
## What changes were proposed in this pull request?
- The current `DatanodeDetails.Port` of Ozone has a lot of ports, which will
cause greater serialization and deserialization pressure (Port#Name is of
String type) and may cause high memory consumption.
- When reading/writing an object, most ports are not required,
- This PR will allow the client to declare the required ports when
**writing** a request, so that SCM does not need to return all ports to the
client.
RpcClient.java
```java
private static final List<PortName> IO_PORTS =
ImmutableList.of(PortName.PORTNAME_STANDALONE,
PortName.PORTNAME_RATIS);
```
Can enable this feature by this configuration (default value is `false`)
```xml
ozone.client.limit.port.enable
```
## What is the link to the Apache JIRA
https://issues.apache.org/jira/browse/HDDS-10804
## How was this patch tested?
Unit test. Existing test
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