Adjust number of sync workers from 20 to 10. (#2077)
Adjust watch task min-pause-time to 1.minute. Slowed down pause-time recovery by factor 3/4 instead of 1/2.
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@ -30,7 +30,7 @@ const
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PeerScoreMissingBlocks* = -200
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PeerScoreMissingBlocks* = -200
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## Peer response contains too many empty blocks.
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## Peer response contains too many empty blocks.
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SyncWorkersCount* = 20
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SyncWorkersCount* = 10
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## Number of sync workers to spawn
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## Number of sync workers to spawn
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StatusUpdateInterval* = chronos.minutes(1)
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StatusUpdateInterval* = chronos.minutes(1)
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@ -1042,8 +1042,8 @@ proc syncLoop[A, B](man: SyncManager[A, B]) {.async.} =
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proc watchTask() {.async.} =
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proc watchTask() {.async.} =
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const
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const
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MaxPauseTime = int(SECONDS_PER_SLOT) * int(SLOTS_PER_EPOCH)
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MaxPauseTime = int(SECONDS_PER_SLOT) * int(SLOTS_PER_EPOCH) # 06:24
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MinPauseTime = int(SECONDS_PER_SLOT)
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MinPauseTime = int(SECONDS_PER_SLOT) * 5 # 01:00
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pauseTime = MinPauseTime
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pauseTime = MinPauseTime
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@ -1058,10 +1058,13 @@ proc syncLoop[A, B](man: SyncManager[A, B]) {.async.} =
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if (op2 - op1 == 0'u64) and (pending > 1):
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if (op2 - op1 == 0'u64) and (pending > 1):
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# Syncing is NOT progressing, we double `pauseTime` value, but value
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# Syncing is NOT progressing, we double `pauseTime` value, but value
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# could not be bigger then `MaxPauseTime`.
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# could not be bigger then `MaxPauseTime`.
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if (pauseTime shl 1) > MaxPauseTime:
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pauseTime =
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pauseTime = MaxPauseTime
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block:
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let newPauseTime = pauseTime * 2
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if newPauseTime > MaxPauseTime:
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MaxPauseTime
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else:
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else:
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pauseTime = pauseTime shl 1
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newPauseTime
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info "Syncing process is not progressing, reset the queue",
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info "Syncing process is not progressing, reset the queue",
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start_op = op1, end_op = op2,
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start_op = op1, end_op = op2,
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pending_workers_count = pending,
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pending_workers_count = pending,
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@ -1072,10 +1075,13 @@ proc syncLoop[A, B](man: SyncManager[A, B]) {.async.} =
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else:
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else:
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# Syncing progressing, so reduce `pauseTime` value in half, but value
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# Syncing progressing, so reduce `pauseTime` value in half, but value
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# could not be less then `MinPauseTime`.
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# could not be less then `MinPauseTime`.
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if (pauseTime shr 1) < MinPauseTime:
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pauseTime =
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pauseTime = MinPauseTime
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block:
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let newPauseTime = (pauseTime * 3) div 4
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if newPauseTime < MinPauseTime:
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MinPauseTime
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else:
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else:
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pauseTime = pauseTime shr 1
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newPauseTime
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debug "Synchronization watch loop tick",
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debug "Synchronization watch loop tick",
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wall_head_slot = man.getLocalWallSlot(),
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wall_head_slot = man.getLocalWallSlot(),
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