vinothchandar commented on a change in pull request #4118:
URL: https://github.com/apache/hudi/pull/4118#discussion_r831038701
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File path:
hudi-common/src/main/java/org/apache/hudi/common/util/ClusteringUtils.java
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@@ -124,7 +125,16 @@
// get all filegroups in the plan
getFileGroupEntriesInClusteringPlan(clusteringPlan.getLeft(),
clusteringPlan.getRight()));
- Map<HoodieFileGroupId, HoodieInstant> resultMap =
resultStream.collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
+ Map<HoodieFileGroupId, HoodieInstant> resultMap;
+ try {
+ resultMap = resultStream.collect(Collectors.toMap(Map.Entry::getKey,
Map.Entry::getValue));
+ } catch (Exception e) {
+ if (e instanceof IllegalStateException &&
e.getMessage().contains("Duplicate key")) {
+ throw new HoodieException("Found duplicate file groups pending
clustering. If you're running deltastreamer in continuous mode, consider adding
delay using --min-sync-interval-seconds. "
Review comment:
would the in process lock provider help here? Since we then just allow
once clustering to be scheduled at once?
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