diff options
| -rw-r--r-- | eth/downloader/peer.go | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/eth/downloader/peer.go b/eth/downloader/peer.go index df54eecbd..8ef017df7 100644 --- a/eth/downloader/peer.go +++ b/eth/downloader/peer.go @@ -93,11 +93,16 @@ func (p *peer) SetIdle() { // Calculate the new download bandwidth allowance prev := atomic.LoadInt32(&p.capacity) next := int32(math.Max(1, math.Min(MaxBlockFetch, float64(prev)*scale))) - if scale < 1 { - glog.V(logger.Detail).Infof("%s: reducing block allowance from %d to %d", p.id, prev, next) - } + // Try to update the old value if atomic.CompareAndSwapInt32(&p.capacity, prev, next) { + // If we're having problems at 1 capacity, try to find better peers + if next == 1 { + p.Demote() + } + if prev != next { + glog.V(logger.Detail).Infof("%s: changing block download capacity from %d to %d", p.id, prev, next) + } break } } |