danny0405 commented on code in PR #9933:
URL: https://github.com/apache/hudi/pull/9933#discussion_r1375154698
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hudi-common/src/main/java/org/apache/hudi/common/model/WriteConcurrencyMode.java:
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@@ -35,9 +35,15 @@ public enum WriteConcurrencyMode {
@EnumFieldDescription("Multiple writers can operate on the table with lazy
conflict resolution "
+ "using locks. This means that only one writer succeeds if multiple
writers write to the "
+ "same file group.")
- OPTIMISTIC_CONCURRENCY_CONTROL;
+ OPTIMISTIC_CONCURRENCY_CONTROL,
- public boolean supportsOptimisticConcurrencyControl() {
- return this == OPTIMISTIC_CONCURRENCY_CONTROL;
+ // Multiple writer can perform write ops on a MOR table with simple bucket
index, and defer conflict
+ // resolution to compaction phase
+ @EnumFieldDescription("Multiple writer can perform write ops on a MOR table
with simple bucket index, "
Review Comment:
"Multiple writers can operate on the table with non-blocking conflict
resolution. The writers can write into the same file group with the conflicts
resolved automically by the query reader and the compactor."
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