otterc commented on a change in pull request #30062:
URL: https://github.com/apache/spark/pull/30062#discussion_r516960321
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File path:
common/network-common/src/main/java/org/apache/spark/network/util/TransportConf.java
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@@ -363,4 +363,39 @@ public boolean useOldFetchProtocol() {
return conf.getBoolean("spark.shuffle.useOldFetchProtocol", false);
}
+ /**
+ * Class name of the implementation of MergedShuffleFileManager that merges
the blocks
+ * pushed to it when push-based shuffle is enabled. By default, push-based
shuffle is disabled at
+ * a cluster level because this configuration is set to
+ *
'org.apache.spark.network.shuffle.ExternalBlockHandler$NoOpMergedShuffleFileManager'.
+ * To turn on push-based shuffle at a cluster level, set the configuration to
+ * 'org.apache.spark.network.shuffle.RemoteBlockPushResolver'.
+ */
+ public String mergedShuffleFileManagerImpl() {
+ return conf.get("spark.shuffle.push.based.mergedShuffleFileManagerImpl",
Review comment:
I have renamed this configuration to
`spark.shuffle.server.mergedShuffleFileManagerImpl`. All the server side
configs are prefixed with `spark.shuffle.server` and the names do indicate if
they are used for merging shuffle blocks.
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