shishkovilja commented on code in PR #12467:
URL: https://github.com/apache/ignite/pull/12467#discussion_r2469927949
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modules/core/src/main/java/org/apache/ignite/internal/processors/cache/distributed/dht/preloader/IgniteDhtPartitionHistorySuppliersMap.java:
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@@ -94,15 +95,15 @@ public synchronized void put(UUID nodeId, int grpId, int
partId, long cntr) {
if (map == null)
map = new HashMap<>();
- Map<T2<Integer, Integer>, Long> nodeMap = map.get(nodeId);
+ PartitionReservationsMap nodeMap = map.get(nodeId);
if (nodeMap == null) {
- nodeMap = new HashMap<>();
+ nodeMap = new PartitionReservationsMap(new HashMap<>());
map.put(nodeId, nodeMap);
}
- nodeMap.put(new T2<>(grpId, partId), cntr);
+ nodeMap.put(new GroupPartitionIdPair(grpId, partId), cntr);
Review Comment:
So, this put is safe due to lazy init of inner map.
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