hangc0276 commented on code in PR #3001:
URL: https://github.com/apache/bookkeeper/pull/3001#discussion_r906213652
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bookkeeper-server/src/main/java/org/apache/bookkeeper/conf/AbstractConfiguration.java:
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@@ -1060,7 +1061,7 @@ public T setAllocatorPoolingPolicy(PoolingPolicy
poolingPolicy) {
* @return the configured pooling concurrency for the allocator.
*/
public int getAllocatorPoolingConcurrency() {
- return this.getInteger(ALLOCATOR_POOLING_CONCURRENCY, 2 *
Runtime.getRuntime().availableProcessors());
+ return this.getInteger(ALLOCATOR_POOLING_CONCURRENCY,
PooledByteBufAllocator.defaultNumDirectArena());
Review Comment:
The default value of `defaultNumDirectArena` is 2 * cpus
https://github.com/netty/netty/blob/4e439264df0523fb6efce5f8f6c7c7fa74addd07/buffer/src/main/java/io/netty/buffer/PooledByteBufAllocator.java#L413-L418
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