Open
Description
Build ID: 15e9e5882df65907942fa3b5d1ec150f3a7d3b90
Type: inuse_space
Time: 2025-05-11 15:03:46 CST
Entering interactive mode (type "help" for commands, "o" for options)
(pprof) alloc_space
(pprof) top
Showing nodes accounting for 75.21TB, 54.11% of 138.99TB total
Dropped 2219 nodes (cum <= 0.69TB)
Showing top 10 nodes out of 231
flat flat% sum% cum cum%
25.46TB 18.32% 18.32% 29.25TB 21.05% github.com/ethereum/go-ethereum/trie.(*hasher).hashFullNodeChildren
12.96TB 9.32% 27.64% 25.60TB 18.42% github.com/ethereum/go-ethereum/trie.decodeFull
12.65TB 9.10% 36.74% 12.65TB 9.10% github.com/ethereum/go-ethereum/trie.decodeRef
7.37TB 5.30% 42.05% 7.37TB 5.30% github.com/ethereum/go-ethereum/rlp.(*encBuffer).makeBytes
6.18TB 4.45% 46.49% 6.18TB 4.45% github.com/ethereum/go-ethereum/trie.(*tracer).onRead
2.42TB 1.74% 48.24% 3.96TB 2.85% github.com/ethereum/go-ethereum/core/state.newObject
2.42TB 1.74% 49.97% 2.42TB 1.74% golang.org/x/crypto/sha3.NewLegacyKeccak256 (inline)
2.01TB 1.44% 51.42% 2.51TB 1.81% github.com/ethereum/go-ethereum/core/state.(*stateObject).finalise
1.96TB 1.41% 52.83% 4.30TB 3.10% github.com/ethereum/go-ethereum/core/state.(*stateObject).GetCommittedState
1.78TB 1.28% 54.11% 1.78TB 1.28% github.com/ethereum/go-ethereum/core/state.(*journal).append
The memory profile shows that most of memory allocation is spent on several functions,
such as trie node hashing. The current speed for memory allocation is about 5-600 MB/s
which is insane. These part should be investigated for a memory allocation friendly change.