sodonnel commented on code in PR #11692:
URL: https://github.com/apache/ozone/pull/11692#discussion_r4347512275
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hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/server/SCMDatanodeHeartbeatDispatcher.java:
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@@ -182,6 +196,25 @@ public List<SCMCommand<?>>
dispatch(SCMHeartbeatRequestProto heartbeat) {
return commands;
}
+ /**
+ * Returns true if the node is not healthy (stale or dead) and its reported
version is
+ * incompatible with this SCM. Healthy nodes are always allowed through —
their version was
+ * already validated at registration. If the node status cannot be
determined, returns false
+ * so the heartbeat is processed normally.
+ */
+ private boolean isUnhealthyWithIncompatibleVersion(DatanodeDetails
datanodeDetails,
+ SCMHeartbeatRequestProto heartbeat) {
+ if (!heartbeat.hasDatanodeVersion()) {
+ return false;
+ }
+ try {
+ return !nodeManager.getNodeStatus(datanodeDetails).isHealthy()
+ && nodeManager.shouldFenceDatanode(datanodeDetails,
heartbeat.getDatanodeVersion());
+ } catch (NodeNotFoundException e) {
Review Comment:
I added a log message.
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