Tartarus0zm commented on code in PR #10886:
URL: https://github.com/apache/hudi/pull/10886#discussion_r1567119140
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hudi-common/src/main/java/org/apache/hudi/common/model/HoodiePartitionMetadata.java:
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@@ -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:
> Hey, @Tartarus0zm what is parallel write? 2 jobs writing to the same path?
Sorry, I need to explain here.
`parallel write` is our internal optimization strategy that uses
multi-threading to write out hdfs files to reduce the time consuming flink
Checkpoint.
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