[GitHub] [doris] xinyiZzz commented on a diff in pull request #13285: [improvement](memory) disable page cache and chunk allocator, optimize memory allocate size

[GitBox]

xinyiZzz commented on code in PR #13285:
URL: https://github.com/apache/doris/pull/13285#discussion_r994469725


##########
be/src/runtime/mem_pool.cpp:
##########
@@ -131,8 +131,9 @@ Status MemPool::find_chunk(size_t min_size, bool 
check_limits) {
         DCHECK_GE(next_chunk_size_, INITIAL_CHUNK_SIZE);
         chunk_size = std::max<size_t>(min_size, next_chunk_size_);
     }
-
-    chunk_size = BitUtil::RoundUpToPowerOfTwo(chunk_size);

Review Comment:
   chunk must be a power of 2 for the reasons: 
https://github.com/apache/doris/pull/11040



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