jasperjiaguo commented on code in PR #14536:
URL: https://github.com/apache/pinot/pull/14536#discussion_r1859267651
##########
pinot-controller/src/main/java/org/apache/pinot/controller/helix/SegmentStatusChecker.java:
##########
@@ -330,46 +334,46 @@ private void updateSegmentMetrics(String
tableNameWithType, TableConfig tableCon
}
}
- int numEVReplicas = 0;
+ int numEVReplicasUp = 0;
if (externalView != null) {
Map<String, String> stateMap = externalView.getStateMap(segment);
if (stateMap != null) {
for (Map.Entry<String, String> entry : stateMap.entrySet()) {
+ String serverInstanceId = entry.getKey();
String state = entry.getValue();
- if (state.equals(SegmentStateModel.ONLINE) ||
state.equals(SegmentStateModel.CONSUMING)) {
- numEVReplicas++;
+ if (isServerQueryable(serverInstanceId, context)
+ && (state.equals(SegmentStateModel.ONLINE) ||
state.equals(SegmentStateModel.CONSUMING))) {
+ numEVReplicasUp++;
}
if (state.equals(SegmentStateModel.ERROR)) {
errorSegments.add(Pair.of(segment, entry.getKey()));
}
}
}
}
- if (numEVReplicas == 0) {
+ if (numEVReplicasUp == 0) {
offlineSegments.add(segment);
- } else if (numEVReplicas < numISReplicas) {
+ } else if (numEVReplicasUp < numISReplicasUp) {
partialOnlineSegments.add(segment);
- } else {
- // Do not allow nReplicasEV to be larger than nReplicasIS
- numEVReplicas = numISReplicas;
}
- minEVReplicas = Math.min(minEVReplicas, numEVReplicas);
+
+ minEVReplicasUp = Math.min(minEVReplicasUp, numEVReplicasUp);
+ // Total number of replicas in ideal state (including ERROR/OFFLINE
states)
+ int numISReplicasTotal =
idealState.getInstanceStateMap(segment).entrySet().size();
+ minEVReplicasUpPercent = Math.min(minEVReplicasUpPercent,
numEVReplicasUp * 100 / numISReplicasTotal);
}
- if (maxISReplicas == Integer.MIN_VALUE) {
+ if (maxISReplicasUp == Integer.MIN_VALUE) {
try {
- maxISReplicas = Math.max(Integer.parseInt(idealState.getReplicas()),
1);
+ maxISReplicasUp = Math.max(Integer.parseInt(idealState.getReplicas()),
1);
} catch (NumberFormatException e) {
- maxISReplicas = 1;
+ maxISReplicasUp = 1;
}
}
- // Do not allow minEVReplicas to be larger than maxISReplicas
- minEVReplicas = Math.min(minEVReplicas, maxISReplicas);
- if (minEVReplicas < maxISReplicas) {
- LOGGER.warn("Table {} has at least one segment running with only {}
replicas, below replication threshold :{}",
- tableNameWithType, minEVReplicas, maxISReplicas);
- }
Review Comment:
Can we add some new logging instead? Meanwhile, it would be great if we have
a list of segments having min replicas and prent them out as well? I feel
sometimes the debuggability of alerts on this metric is not so great.
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