diff options
Diffstat (limited to 'eth/downloader/downloader.go')
| -rw-r--r-- | eth/downloader/downloader.go | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/eth/downloader/downloader.go b/eth/downloader/downloader.go index a48b60716..016f290fc 100644 --- a/eth/downloader/downloader.go +++ b/eth/downloader/downloader.go @@ -354,6 +354,11 @@ func (d *Downloader) AddHashes(id string, hashes []common.Hash) error { return fmt.Errorf("received hashes from %s while active peer is %s", id, d.activePeer) } + if glog.V(logger.Detail) && len(hashes) != 0 { + from, to := hashes[0], hashes[len(hashes)-1] + glog.Infof("adding %d (T=%d) hashes [ %x / %x ] from: %s\n", len(hashes), d.queue.hashPool.Size(), from[:4], to[:4], id) + } + d.hashCh <- hashes return nil @@ -448,10 +453,17 @@ func (d *Downloader) process(peer *peer) error { return ErrBadPeer } - blocks = blocks[max:] + + // delete the blocks from the slice and let them be garbage collected + // without this slice trick the blocks would stay in memory until nil + // would be assigned to d.queue.blocks + copy(blocks, blocks[max:]) + for k, n := len(blocks)-max, len(blocks); k < n; k++ { + blocks[k] = nil + } + blocks = blocks[:len(blocks)-max] } - // This will allow the GC to remove the in memory blocks if len(blocks) == 0 { d.queue.blocks = nil } else { |