Pengzna commented on code in PR #15600:
URL: https://github.com/apache/iotdb/pull/15600#discussion_r2113357699
##########
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/extractor/dataregion/historical/PipeHistoricalDataRegionTsFileAndDeletionExtractor.java:
##########
@@ -426,6 +435,58 @@ private void flushDataRegionAllTsFiles() {
}
}
+ /**
+ * IoTV2 will only resend event that contains un-replicated local write
data. So we only extract
+ * ProgressIndex containing local writes for comparison to prevent
misjudgment on whether
+ * high-level tsFiles with mixed progressIndexes need to be retransmitted
+ *
+ * @return recoverProgressIndex dedicated in local DataNodeId or origin for
fallback.
+ */
+ private ProgressIndex tryToExtractLocalProgressIndexForIoTV2(ProgressIndex
origin) {
+ // There are only 2 cases:
+ // 1. origin is RecoverProgressIndex
+ if (origin instanceof RecoverProgressIndex) {
+ RecoverProgressIndex toBeTransformed = (RecoverProgressIndex) origin;
+ return new RecoverProgressIndex(
+ toBeTransformed.getDataNodeId2LocalIndex().entrySet().stream()
+ .filter(
+ entry ->
+ entry
+ .getKey()
+
.equals(IoTDBDescriptor.getInstance().getConfig().getDataNodeId()))
+ .collect(Collectors.toMap(Map.Entry::getKey,
Map.Entry::getValue)));
Review Comment:
good catch, fixed!
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