Github user xuanyuanking commented on a diff in the pull request:
https://github.com/apache/spark/pull/21385#discussion_r191149214
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/continuous/shuffle/UnsafeRowReceiver.scala
---
@@ -41,11 +50,15 @@ private[shuffle] case class ReceiverEpochMarker()
extends UnsafeRowReceiverMessa
*/
private[shuffle] class UnsafeRowReceiver(
queueSize: Int,
+ numShuffleWriters: Int,
+ checkpointIntervalMs: Long,
override val rpcEnv: RpcEnv)
extends ThreadSafeRpcEndpoint with ContinuousShuffleReader with
Logging {
// Note that this queue will be drained from the main task thread and
populated in the RPC
// response thread.
- private val queue = new
ArrayBlockingQueue[UnsafeRowReceiverMessage](queueSize)
+ private val queues = Array.fill(numShuffleWriters) {
--- End diff --
Hi TD, just a question here, what's the 'a non-RPC-endpoint-based transfer
mechanism' refers for?
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