tarun11Mavani commented on code in PR #17352:
URL: https://github.com/apache/pinot/pull/17352#discussion_r2662433651
##########
pinot-plugins/pinot-minion-tasks/pinot-minion-builtin-tasks/src/main/java/org/apache/pinot/plugin/minion/tasks/MinionTaskUtils.java:
##########
@@ -334,4 +335,49 @@ public static ValidDocIdsType
getValidDocIdsType(UpsertConfig upsertConfig, Map<
}
return validDocIdsType;
}
+
+ /**
+ * Checks if all replicas have consensus on validDoc counts for a segment.
+ * SAFETY LOGIC:
+ * 1. Only proceed with operations when ALL replicas agree on totalValidDocs
count
+ * 2. Skip operations if ANY server hosting the segment is not in READY state
+ * 3. Include all replicas (even those with CRC mismatches) in consensus for
safety
+ *
+ * @param segmentName the name of the segment being checked
+ * @param replicaMetadataList list of metadata from all replicas of the
segment
+ * @return true if all replicas have consensus on validDoc counts, false
otherwise
+ */
+ public static boolean hasValidDocConsensus(String segmentName,
+ List<ValidDocIdsMetadataInfo> replicaMetadataList) {
+
+ if (replicaMetadataList == null || replicaMetadataList.isEmpty()) {
+ LOGGER.warn("No replica metadata available for segment: {}",
segmentName);
+ return false;
+ }
+
+ // Check server readiness for ALL replicas - skip if ANY server is not
ready
+ for (ValidDocIdsMetadataInfo metadata : replicaMetadataList) {
+ if (metadata.getServerStatus() != null &&
!metadata.getServerStatus().equals(ServiceStatus.Status.GOOD)) {
+ LOGGER.warn("Server {} is in {} state for segment: {}, skipping
consensus check",
+ metadata.getInstanceId(), metadata.getServerStatus(), segmentName);
+ return false;
+ }
+ }
+
+ // Check if all replicas have the same totalValidDocs count
+ Long consensusValidDocs = null;
+ for (ValidDocIdsMetadataInfo metadata : replicaMetadataList) {
+ long validDocs = metadata.getTotalValidDocs();
Review Comment:
done
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