beyond1920 commented on code in PR #10886:
URL: https://github.com/apache/hudi/pull/10886#discussion_r1532422677
##########
hudi-common/src/main/java/org/apache/hudi/common/model/HoodiePartitionMetadata.java:
##########
@@ -92,11 +92,12 @@ public int getPartitionDepth() {
/**
* Write the metadata safely into partition atomically.
+ * To avoid concurrent write into the same partition (for example in
speculative case),
+ * please make sure writeToken is unique.
*/
- public void trySave(int taskPartitionId) {
+ public void trySave(String writeToken) throws IOException {
Review Comment:
Both UUID and writeToken could make the metadata temp file name is unique
for different task.
+1 on writeToken because it contains more information to help us find the
tasks.
##########
hudi-common/src/main/java/org/apache/hudi/common/model/HoodiePartitionMetadata.java:
##########
@@ -92,11 +92,12 @@ public int getPartitionDepth() {
/**
* Write the metadata safely into partition atomically.
+ * To avoid concurrent write into the same partition (for example in
speculative case),
+ * please make sure writeToken is unique.
*/
- public void trySave(int taskPartitionId) {
+ public void trySave(String writeToken) throws IOException {
Review Comment:
Both UUID and writeToken could make the metadata temp file name is unique
for different tasks.
+1 on writeToken because it contains more information to help us find the
tasks.
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