BoYang created SPARK-33037:
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Summary: Add "spark.shuffle.manager" value to knownManagers
Key: SPARK-33037
URL: https://issues.apache.org/jira/browse/SPARK-33037
Project: Spark
Issue Type: Improvement
Components: Shuffle
Affects Versions: 3.0.1, 2.4.7
Reporter: BoYang
Spark has a hardcode list to contain known shuffle managers, which has two
values now. It does not contain user's custom shuffle manager which is set
through Spark config "spark.shuffle.manager".
We hit issue when set "spark.shuffle.manager" with our own shuffle manager
plugin (Uber Remote Shuffle Service implementation,
https://github.com/uber/RemoteShuffleService).
Need to add "spark.shuffle.manager" config value to the known managers list as
well.
The know managers list is in code:
common/network-shuffle/src/main/java/org/apache/spark/network/shuffle/ExternalShuffleBlockResolver.java
{quote}private final List<String> knownManagers = Arrays.asList(
"org.apache.spark.shuffle.sort.SortShuffleManager",
"org.apache.spark.shuffle.unsafe.UnsafeShuffleManager");
{quote}
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