[Improvement] [mr] Ensure configurations in both mapred-site.xml and dynamic_client.conf take effect.

[qijiale76]

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What would you like to be improved?

If dynamic conf is not enabled, though mapreduce.rss.storage.type is configued at mapred-site.xml, running MR job within RSS still fails, with this error message Error: java.lang.IllegalArgumentException: No enum constant org.apache.uniffle.storage.util.StorageType.
The reason is only rssJobConf is used to new CreateShuffleReadClientRequest

incubator-uniffle/client-mr/core/src/main/java/org/apache/hadoop/mapreduce/task/reduce/RssShuffle.java

Line 243 in 57c35ad

RssMRConfig.toRssConf(rssJobConf));

This issue will optimize how configuration works. Configuration in both dynamic conf and local conf file should work.

How should we improve?

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Are you willing to submit PR?

• Yes I am willing to submit a PR!

[qijiale76]

Now mapreduce.rss.client.type and mapreduce.rss.remote.storage.path must be configued at mapred-site.xml instead of dynamic_client.conf. It should also be allowd that these conf are not configued at mapred-site.xml.

Exception in thread "main" java.lang.IllegalArgumentException: The value of null should be one of [GRPC_NETTY, GRPC]

Exception in thread "main" java.lang.IllegalStateException: Can't find remoteStorage: with storageType[MEMORY_LOCALFILE_HDFS]