yurinaryshkin commented on code in PR #11319:
URL: https://github.com/apache/ignite/pull/11319#discussion_r1571835917
##########
modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/GridCacheOffheapManager.java:
##########
@@ -1108,7 +1110,30 @@ private Metas getOrAllocateCacheMetas() throws
IgniteCheckedException {
try {
int cleared = 0;
- for (CacheDataStore store : cacheDataStores()) {
+ Iterable<CacheDataStore> cacheDataStores = cacheDataStores();
+
+ // Use random shift to reduce contention.
+ int shift =
ThreadLocalRandom.current().nextInt(F.size(cacheDataStores.iterator()));
+
+ int cnt = 0;
+ for (CacheDataStore store : cacheDataStores) {
Review Comment:
This doesn't seem to work. After executing F.size() cacheDataStores doesn't
return elements.
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