sergeyuttsel commented on code in PR #1729:
URL: https://github.com/apache/ignite-3/pull/1729#discussion_r1132038085
##########
modules/distribution-zones/src/main/java/org/apache/ignite/internal/distributionzones/DistributionZoneManager.java:
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@@ -159,6 +167,36 @@ public class DistributionZoneManager implements
IgniteComponent {
*/
private final Map<Integer, ZoneState> zonesState;
+ /** Data nodes modification mutex. */
+ private final Object dataNodesMutex = new Object();
+
+ /** The last topology version wich was observed by distribution zone
manager. */
+ private long lastTopVer;
+
+ /**
+ * Contains data nodes and meta info for zones.
+ * Map (zone id -> data nodes).
+ */
+ private final Map<Integer, DataNodes> dataNodes = new
ConcurrentHashMap<>();
Review Comment:
Yes. I think we can use HashMap and TreeMap. Fixed.
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