cerc-io/lotus
11
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 27 Wiki Activity

segregate chain and state blockstores.

Browse Source 
This paves the way for better object lifetime management.

Concretely, it makes it possible to:
- have different stores backing chain and state data.
- having the same datastore library, but using different parameters.
- attach different caching layers/policies to each class of data, e.g.
  sizing caches differently.
- specifying different retention policies for chain and state data.

This separation is important because:
- access patterns/frequency of chain and state data are different.
- state is derivable from chain, so one could never expunge the chain
  store, and only retain state objects reachable from the last finality
  in the state store.
This commit is contained in:
Raúl Kripalani
2021-02-28 22:49:44 +00:00
parent 853de3daf7
commit 3795cc2bd2
45 changed files with 630 additions and 370 deletions
Download Patch File Download Diff File Expand all files Collapse all files
node/modules/graphsync.go
+2 -2
View File
@@ -14,8 +14,8 @@ import (
)
// Graphsync creates a graphsync instance from the given loader and storer
func Graphsync(parallelTransfers uint64) func(mctx helpers.MetricsCtx, lc fx.Lifecycle, r repo.LockedRepo, clientBs dtypes.ClientBlockstore, chainBs dtypes.ChainBlockstore, h host.Host) (dtypes.Graphsync, error) {
return func(mctx helpers.MetricsCtx, lc fx.Lifecycle, r repo.LockedRepo, clientBs dtypes.ClientBlockstore, chainBs dtypes.ChainBlockstore, h host.Host) (dtypes.Graphsync, error) {
func Graphsync(parallelTransfers uint64) func(mctx helpers.MetricsCtx, lc fx.Lifecycle, r repo.LockedRepo, clientBs dtypes.ClientBlockstore, chainBs dtypes.ExposedBlockstore, h host.Host) (dtypes.Graphsync, error) {
return func(mctx helpers.MetricsCtx, lc fx.Lifecycle, r repo.LockedRepo, clientBs dtypes.ClientBlockstore, chainBs dtypes.ExposedBlockstore, h host.Host) (dtypes.Graphsync, error) {
graphsyncNetwork := gsnet.NewFromLibp2pHost(h)
loader := storeutil.LoaderForBlockstore(clientBs)
storer := storeutil.StorerForBlockstore(clientBs)