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apache · Dec 2, 2024 · 82cb69f · 82cb69f
1 parent a830693
commit 82cb69f
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/paimon-common/src/main/java/org/apache/paimon/io/cache/CacheBuilder.java b/paimon-common/src/main/java/org/apache/paimon/io/cache/CacheBuilder.java
@@ -72,6 +72,9 @@ public Cache build() {
                     org.apache.paimon.shade.guava30.com.google.common.cache.CacheBuilder
                             .newBuilder()
                             .weigher(CacheBuilder::weigh)
+                            // The concurrency level determines the number of segment caches in
+                            // Guava,limiting the maximum block entries held in cache. Since we do
+                            // not access this cache concurrently, it is set to 1.
                             .concurrencyLevel(1)
                             .maximumWeight(memorySize.getBytes())
                             .removalListener(this::onRemoval)