Ngone51 commented on code in PR #36200:
URL: https://github.com/apache/spark/pull/36200#discussion_r953741962
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core/src/main/scala/org/apache/spark/deploy/ExternalShuffleService.scala:
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@@ -79,7 +80,12 @@ class ExternalShuffleService(sparkConf: SparkConf,
securityManager: SecurityMana
/** Create a new shuffle block handler. Factored out for subclasses to
override. */
protected def newShuffleBlockHandler(conf: TransportConf):
ExternalBlockHandler = {
if (sparkConf.get(config.SHUFFLE_SERVICE_DB_ENABLED) && enabled) {
- new ExternalBlockHandler(conf,
findRegisteredExecutorsDBFile(registeredExecutorsDB))
+ val shuffleDBName = sparkConf.get(config.SHUFFLE_SERVICE_DB_BACKEND)
+ val dBBackend = DBBackend.byName(shuffleDBName)
+ logInfo(s"Configured ${config.SHUFFLE_SERVICE_DB_BACKEND.key} as
$shuffleDBName " +
+ s"and actually used value ${dBBackend.name()} ")
Review Comment:
It sounds like we may use a different db backend regardless of the user
configured value in some cases?
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