klsince commented on code in PR #13107:
URL: https://github.com/apache/pinot/pull/13107#discussion_r1604008348
##########
pinot-common/src/main/java/org/apache/pinot/common/metadata/segment/SegmentPartitionMetadata.java:
##########
@@ -48,6 +53,21 @@ public SegmentPartitionMetadata(
@Nonnull @JsonProperty("columnPartitionMap") Map<String,
ColumnPartitionMetadata> columnPartitionMap) {
Preconditions.checkNotNull(columnPartitionMap);
_columnPartitionMap = columnPartitionMap;
+ _uploadedSegmentPartitionId = -1;
+ }
+
+ /**
+ * Constructor for the class.
+ *
+ * @param columnPartitionMap Column name to ColumnPartitionMetadata map.
+ */
+ @JsonCreator
+ public SegmentPartitionMetadata(
+ @Nullable @JsonProperty("columnPartitionMap") Map<String,
ColumnPartitionMetadata> columnPartitionMap,
+ @Nullable @JsonProperty(value = "uploadedSegmentPartitionId",
defaultValue = "-1")
Review Comment:
make sense. thanks for the explanation.
Another concern is the comparison logic (as in
ConcurrentMapPartitionUpsertMetadataManager) to break tie is not be
deterministic for segments not in LLC naming pattern. While processing segments
not in LLC name pattern, segments added first are favored, but we can not
control which segments get processed first next time when server restarts.
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