ConeyLiu commented on code in PR #9609:
URL: https://github.com/apache/iceberg/pull/9609#discussion_r1475596616
##########
core/src/main/java/org/apache/iceberg/ManifestMergeManager.java:
##########
@@ -148,11 +167,13 @@ private Iterable<ManifestFile> mergeGroup(
// if the number of manifests is above the minimum count. this
is applied only to bins
// with an in-memory
// manifest so that large manifests don't prevent merging older
groups.
- if (bin.contains(first) && bin.size() < minCountToMerge) {
+ if ((bin.contains(first) && bin.size() < minCountToMerge)
+ || bin.size() > mergeLimit.get()) {
// not enough to merge, add all manifest files to the output
list
outputManifests.addAll(bin);
} else {
// merge the group
+ mergeLimit.addAndGet(-1 * bin.size());
Review Comment:
The order is not guaranteed since it is processed concurrently.
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