cerc-io/lotus
16
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 27 Wiki Activity

avoid extraneous assignment

Browse Source
This commit is contained in:
vyzo 2022-01-26 21:48:03 +02:00
parent fe47d6a1a4
commit a87239e802
1 changed files with 8 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
blockstore/splitstore/splitstore_compact.go
View File

@ -700,14 +700,7 @@ func (s *SplitStore) walkChain(ts *types.TipSet, inclState, inclMsgs abi.ChainEp
return err
}
// the walk is BFS, so we can reset the walked set in every iteration and avoid building up
// a set that contains all blocks (1M epochs -> 5M blocks -> 200MB worth of memory and growing
// over time)
walked = newConcurrentVisitor()
walking := toWalk
toWalk = nil
workers := len(walking)
workers := len(toWalk)
if workers > runtime.NumCPU()/2 {
workers = runtime.NumCPU() / 2
}
@ -715,11 +708,16 @@ func (s *SplitStore) walkChain(ts *types.TipSet, inclState, inclMsgs abi.ChainEp
workers = 2
}
workch := make(chan cid.Cid, len(walking))
for _, c := range walking {
// the walk is BFS, so we can reset the walked set in every iteration and avoid building up
// a set that contains all blocks (1M epochs -> 5M blocks -> 200MB worth of memory and growing
// over time)
walked = newConcurrentVisitor()
workch := make(chan cid.Cid, len(toWalk))
for _, c := range toWalk {
workch <- c
}
close(workch)
toWalk = nil
g := new(errgroup.Group)
for i := 0; i < workers; i++ {