sergeyuttsel commented on code in PR #1426:
URL: https://github.com/apache/ignite-3/pull/1426#discussion_r1049902475
##########
modules/distribution-zones/src/main/java/org/apache/ignite/internal/distributionzones/DistributionZoneManager.java:
##########
@@ -235,6 +257,98 @@ public CompletableFuture<Void> dropZone(String name) {
@Override
public void start() {
zonesConfiguration.distributionZones().listenElements(new
ZonesConfigurationListener());
+
+ long vaultAppliedRevision = vaultAppliedRevision();
+
+ VaultEntry vaultEntry;
+
+ try {
+ vaultEntry = vaultMgr.get(zonesLogicalTopologyKey()).get();
+ } catch (InterruptedException | ExecutionException e) {
+ throw new IgniteInternalException(e);
+ }
+
+ if (vaultEntry != null && vaultEntry.value() != null) {
+ byte[] newLogicalTopology = vaultEntry.value();
+
+ logicalTopology = ByteUtils.fromBytes(newLogicalTopology);
+
+ zonesConfiguration.distributionZones().value().namedListKeys()
+ .forEach(zoneName -> {
+ int zoneId =
zonesConfiguration.distributionZones().get(zoneName).zoneId().value();
+
+ saveDataNodesToMetastorage(zoneId, newLogicalTopology,
vaultAppliedRevision);
+ });
+ }
+
+ metaStorageManager.registerWatch(zonesLogicalTopologyKey(), new
WatchListener() {
+ @Override
+ public boolean onUpdate(@NotNull WatchEvent evt) {
+ if (!busyLock.enterBusy()) {
+ throw new IgniteInternalException(new
NodeStoppingException());
+ }
+
+ try {
+ assert evt.single();
+
+ Entry newEntry = evt.entryEvent().newEntry();
+
+ Set<String> newlogicalTopology =
ByteUtils.fromBytes(newEntry.value());
+
+ List<String> removedNodes =
+ logicalTopology.stream().filter(node ->
!newlogicalTopology.contains(node)).collect(toList());
+
+ List<String> addedNodes =
+ newlogicalTopology.stream().filter(node ->
!logicalTopology.contains(node)).collect(toList());
+
+ logicalTopology = newlogicalTopology;
+
+
zonesConfiguration.distributionZones().value().namedListKeys()
+ .forEach(zoneName -> {
+ DistributionZoneConfiguration zoneCfg =
zonesConfiguration.distributionZones().get(zoneName);
+
+ int autoAdjust =
zoneCfg.dataNodesAutoAdjust().value();
+ int autoAdjustScaleDown =
zoneCfg.dataNodesAutoAdjustScaleDown().value();
+ int autoAdjustScaleUp =
zoneCfg.dataNodesAutoAdjustScaleUp().value();
+
+ Integer zoneId = zoneCfg.zoneId().value();
+
+ if (!removedNodes.isEmpty()) {
Review Comment:
Thanks
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