xyuanlu commented on code in PR #2344:
URL: https://github.com/apache/helix/pull/2344#discussion_r1095220118
##########
helix-core/src/main/java/org/apache/helix/monitoring/mbeans/ClusterStatusMonitor.java:
##########
@@ -55,6 +55,60 @@
import org.slf4j.LoggerFactory;
public class ClusterStatusMonitor implements ClusterStatusMonitorMBean {
+ private class AsyncMissingTopStateMonitor extends Thread {
+ private final ConcurrentHashMap<String, Map<String, Long>>
_missingTopStateResourceMap;
+ private long _missingTopStateDurationThreshold = Long.MAX_VALUE;;
+
+ public AsyncMissingTopStateMonitor(ConcurrentHashMap<String, Map<String,
Long>> missingTopStateResourceMap) {
+ _missingTopStateResourceMap = missingTopStateResourceMap;
+ }
+
+ public void setMissingTopStateDurationThreshold(long
missingTopStateDurationThreshold) {
+ _missingTopStateDurationThreshold = missingTopStateDurationThreshold;
+ }
+
+ @Override
+ public void run() {
+ try {
+ synchronized (this) {
Review Comment:
You just need to lock the part where we check if condition is met. Not the
whole while(true) block.
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