IGNITE-26584 Discovery optimizations for MultiDC

modules/core/src/main/java/org/apache/ignite/internal/processors/cache/distributed/dht/preloader/GridDhtPreloader.java

@@ -41,6 +41,7 @@
 import org.apache.ignite.internal.processors.cache.distributed.dht.atomic.GridNearAtomicAbstractUpdateRequest;
 import org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionDemander.RebalanceFuture;
 import org.apache.ignite.internal.processors.cache.distributed.dht.topology.GridDhtLocalPartition;
+import org.apache.ignite.internal.processors.cache.distributed.dht.topology.GridDhtPartitionState;
 import org.apache.ignite.internal.processors.cache.distributed.dht.topology.GridDhtPartitionTopology;
 import org.apache.ignite.internal.util.future.GridCompoundFuture;
 import org.apache.ignite.internal.util.future.GridFinishedFuture;
@@ -221,12 +222,14 @@ public boolean disableRebalancingCancellationOptimization() {
                 assert part != null;
                 assert part.id() == p;
 
+                GridDhtPartitionState state = part.state();
+
                 // Do not rebalance OWNING or LOST partitions.
-                if (part.state() == OWNING || part.state() == LOST)
+                if (state == OWNING || state == LOST)
                     continue;
 
                 // State should be switched to MOVING during PME.
-                if (part.state() != MOVING) {
+                if (state != MOVING) {
                     throw new AssertionError("Partition has invalid state for rebalance "
                         + aff.topologyVersion() + " " + part);
                 }

modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ClientImpl.java

@@ -923,7 +923,7 @@ private Collection<ClusterNode> updateTopologyHistory(long topVer, @Nullable Tcp
 
             Collection<ClusterNode> top = topHist.get(topVer);
 
-            assert top != null : "Failed to find topology history [msg=" + msg + ", hist=" + topHist + ']';
+            assert top != null : "Failed to find topology history [top=" + topVer + ", msg=" + msg + ", hist=" + topHist + ']';
 
             return top;
         }