status-im
/
nimbus-eth2
mirror of https://github.com/status-im/nimbus-eth2.git
2
0
Fork 0
Code Issues Projects Releases Wiki Activity

Add pruning timings (#2422)

This commit is contained in:
Mamy Ratsimbazafy 2021-03-17 07:30:16 +01:00 committed by GitHub
parent 683edbff7a
commit 6e38d474cc
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 17 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
beacon_chain/consensus_object_pools/blockchain_dag.nim
View File

@ -18,6 +18,7 @@ import
../beacon_clock, ../beacon_clock,
"."/[block_pools_types, block_quarantine] "."/[block_pools_types, block_quarantine]
from std/times import getTime, `-`
export block_pools_types, helpers export block_pools_types, helpers
# https://github.com/ethereum/eth2.0-metrics/blob/master/metrics.md#interop-metrics # https://github.com/ethereum/eth2.0-metrics/blob/master/metrics.md#interop-metrics
@ -847,6 +848,8 @@ proc pruneBlocksDAG(dag: ChainDAGRef) =
# Clean up block refs, walking block by block # Clean up block refs, walking block by block
if dag.lastPrunePoint != dag.finalizedHead: if dag.lastPrunePoint != dag.finalizedHead:
let start = getTime()
# Finalization means that we choose a single chain as the canonical one - # Finalization means that we choose a single chain as the canonical one -
# it also means we're no longer interested in any branches from that chain # it also means we're no longer interested in any branches from that chain
# up to the finalization point # up to the finalization point
@ -875,8 +878,12 @@ proc pruneBlocksDAG(dag: ChainDAGRef) =
dag.heads.del(n) dag.heads.del(n)
let stop = getTime()
let dur = stop - start
debug "Pruned the blockchain DAG", debug "Pruned the blockchain DAG",
currentCandidateHeads = dag.heads.len currentCandidateHeads = dag.heads.len,
dagPruningDuration = dur
func needStateCachesAndForkChoicePruning*(dag: ChainDAGRef): bool = func needStateCachesAndForkChoicePruning*(dag: ChainDAGRef): bool =
dag.lastPrunePoint != dag.finalizedHead dag.lastPrunePoint != dag.finalizedHead
@ -889,6 +896,7 @@ proc pruneStateCachesDAG*(dag: ChainDAGRef) =
## This updates the `dag.lastPrunePoint` variable ## This updates the `dag.lastPrunePoint` variable
doAssert dag.needStateCachesAndForkChoicePruning() doAssert dag.needStateCachesAndForkChoicePruning()
let startState = getTime()
block: # Remove states, walking slot by slot block: # Remove states, walking slot by slot
# We remove all state checkpoints that come _before_ the current finalized # We remove all state checkpoints that come _before_ the current finalized
# head, as we might frequently be asked to replay states from the # head, as we might frequently be asked to replay states from the
@ -906,7 +914,10 @@ proc pruneStateCachesDAG*(dag: ChainDAGRef) =
if cur.slot.epoch mod 32 != 0 and cur.slot != dag.tail.slot: if cur.slot.epoch mod 32 != 0 and cur.slot != dag.tail.slot:
dag.delState(cur) dag.delState(cur)
cur = cur.parentOrSlot cur = cur.parentOrSlot
let stopState = getTime()
let durState = stopState - startState
let startEpochRef = getTime()
block: # Clean up old EpochRef instances block: # Clean up old EpochRef instances
# After finalization, we can clear up the epoch cache and save memory - # After finalization, we can clear up the epoch cache and save memory -
# it will be recomputed if needed # it will be recomputed if needed
@ -917,10 +928,14 @@ proc pruneStateCachesDAG*(dag: ChainDAGRef) =
tmp = tmp.parent tmp = tmp.parent
if tmp.parent != nil: if tmp.parent != nil:
tmp.parent.epochRefs = @[] tmp.parent.epochRefs = @[]
let stopEpochRef = getTime()
let durEpochRef = stopEpochRef - startEpochRef
dag.lastPrunePoint = dag.finalizedHead dag.lastPrunePoint = dag.finalizedHead
debug "Pruned the state checkpoints and DAG caches." debug "Pruned the state checkpoints and DAG caches.",
statePruningDur = durState,
epochRefPruningDur = durEpochRef
proc updateHead*( proc updateHead*(
dag: ChainDAGRef, dag: ChainDAGRef,