srowen commented on a change in pull request #23700: [SPARK-25692] [CORE]
Remove static initialization of worker eventLoop handling chunk fetch requests
within TransportContext. This fixes ChunkFetchIntegrationSuite as well
URL: https://github.com/apache/spark/pull/23700#discussion_r252670567
##########
File path:
common/network-common/src/main/java/org/apache/spark/network/TransportContext.java
##########
@@ -122,16 +122,14 @@ public TransportContext(
this.closeIdleConnections = closeIdleConnections;
this.isClientOnly = isClientOnly;
- synchronized(TransportContext.class) {
- if (chunkFetchWorkers == null &&
- conf.getModuleName() != null &&
- conf.getModuleName().equalsIgnoreCase("shuffle") &&
- !isClientOnly) {
- chunkFetchWorkers = NettyUtils.createEventLoop(
- IOMode.valueOf(conf.ioMode()),
- conf.chunkFetchHandlerThreads(),
- "shuffle-chunk-fetch-handler");
- }
+ if (chunkFetchWorkers == null &&
Review comment:
No need to check for null; it always is here
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