CodingCat commented on code in PR #2462:
URL: https://github.com/apache/celeborn/pull/2462#discussion_r1571780407
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client/src/main/scala/org/apache/celeborn/client/ChangePartitionManager.scala:
##########
@@ -151,7 +156,7 @@ class ChangePartitionManager(
oldPartition,
cause)
- requests.synchronized {
+ locks(partitionId % locks.length).synchronized {
if (requests.containsKey(partitionId)) {
requests.get(partitionId).add(changePartition)
logTrace(s"[handleRequestPartitionLocation] For $shuffleId, request
for same partition" +
Review Comment:
i have updated the code , will run more test in our env
##########
client/src/main/scala/org/apache/celeborn/client/ChangePartitionManager.scala:
##########
@@ -79,14 +81,18 @@ class ChangePartitionManager(
batchHandleChangePartitionExecutors.submit {
new Runnable {
override def run(): Unit = {
- val distinctPartitions = requests.synchronized {
- // For each partition only need handle one request
- requests.asScala.filter { case (partitionId, _) =>
-
!inBatchPartitions.get(shuffleId).contains(partitionId)
- }.map { case (partitionId, request) =>
- inBatchPartitions.get(shuffleId).add(partitionId)
- request.asScala.toArray.maxBy(_.epoch)
- }.toArray
+ val distinctPartitions = {
+ val requestSet = inBatchPartitions.get(shuffleId)
+ requests.asScala.map { case (partitionId, request) =>
+ locks(partitionId % locks.length).synchronized {
+ if (!inBatchPartitions.contains(partitionId)) {
Review Comment:
yeah, I meant requestSet
##########
common/src/main/scala/org/apache/celeborn/common/CelebornConf.scala:
##########
@@ -3899,6 +3901,14 @@ object CelebornConf extends Logging {
.booleanConf
.createWithDefault(true)
+ val CLIENT_BATCH_HANDLE_CHANGE_PARTITION_PARALLELISM: ConfigEntry[Int] =
+ buildConf("celeborn.client.shuffle.batchHandleChangePartition.parallelism")
Review Comment:
updated
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