ExternalBlockStoreClient¶

ExternalBlockStoreClient is a BlockStoreClient that the driver and executors use when spark.shuffle.service.enabled configuration property is enabled.

Creating Instance¶

ExternalBlockStoreClient takes the following to be created:

• TransportConf
• SecretKeyHolder
• authEnabled flag
• registrationTimeoutMs

ExternalBlockStoreClient is created when:

• SparkEnv utility is requested to create a SparkEnv (for the driver and executors) with spark.shuffle.service.enabled configuration property enabled