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Make repo gc call CollectGarbage on datastore #4578

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Feb 4, 2018
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4 changes: 2 additions & 2 deletions core/corerepo/gc.go
Original file line number Diff line number Diff line change
Expand Up @@ -86,7 +86,7 @@ func GarbageCollect(n *core.IpfsNode, ctx context.Context) error {
if err != nil {
return err
}
rmed := gc.GC(ctx, n.Blockstore, n.Pinning, roots)
rmed := gc.GC(ctx, n.Blockstore, n.Repo.Datastore(), n.Pinning, roots)

return CollectResult(ctx, rmed, nil)
}
Expand Down Expand Up @@ -154,7 +154,7 @@ func GarbageCollectAsync(n *core.IpfsNode, ctx context.Context) <-chan gc.Result
return out
}

return gc.GC(ctx, n.Blockstore, n.Pinning, roots)
return gc.GC(ctx, n.Blockstore, n.Repo.Datastore(), n.Pinning, roots)
}

func PeriodicGC(ctx context.Context, node *core.IpfsNode) error {
Expand Down
2 changes: 1 addition & 1 deletion core/coreunix/add_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -104,7 +104,7 @@ func TestAddGCLive(t *testing.T) {
gcstarted := make(chan struct{})
go func() {
defer close(gcstarted)
gcout = gc.GC(context.Background(), node.Blockstore, node.Pinning, nil)
gcout = gc.GC(context.Background(), node.Blockstore, node.Repo.Datastore(), node.Pinning, nil)
}()

// gc shouldnt start until we let the add finish its current file.
Expand Down
15 changes: 14 additions & 1 deletion pin/gc/gc.go
Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ import (
dag "github.com/ipfs/go-ipfs/merkledag"
pin "github.com/ipfs/go-ipfs/pin"

dstore "gx/ipfs/QmPpegoMqhAEqjncrzArm7KVWAkCm78rqL2DPuNjhPrshg/go-datastore"
logging "gx/ipfs/QmRb5jh8z2E8hMGN2tkvs1yHynUanqnZ3UeKwgN1i9P1F8/go-log"
cid "gx/ipfs/QmcZfnkapfECQGcLZaf9B79NRg7cRa9EnZh4LSbkCzwNvY/go-cid"
ipld "gx/ipfs/Qme5bWv7wtjUNGsK2BNGVUFPKiuxWrsqrtvYwCLRw8YFES/go-ipld-format"
Expand All @@ -35,7 +36,7 @@ type Result struct {
// The routine then iterates over every block in the blockstore and
// deletes any block that is not found in the marked set.
//
func GC(ctx context.Context, bs bstore.GCBlockstore, pn pin.Pinner, bestEffortRoots []*cid.Cid) <-chan Result {
func GC(ctx context.Context, bs bstore.GCBlockstore, dstor dstore.Datastore, pn pin.Pinner, bestEffortRoots []*cid.Cid) <-chan Result {

elock := log.EventBegin(ctx, "GC.lockWait")
unlocker := bs.GCLock()
Expand Down Expand Up @@ -107,6 +108,18 @@ func GC(ctx context.Context, bs bstore.GCBlockstore, pn pin.Pinner, bestEffortRo
if errors {
output <- Result{Error: ErrCannotDeleteSomeBlocks}
}

defer log.EventBegin(ctx, "GC.datastore").Done()
gds, ok := dstor.(dstore.GCDatastore)
if !ok {
return
}

err = gds.CollectGarbage()
if err != nil {
output <- Result{Error: err}
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This can deadlock if the context has been canceled and output is full. However, we already have this bug (above) so feel free to fix it separately. See #4593.

return
}
}()

return output
Expand Down
20 changes: 20 additions & 0 deletions repo/fsrepo/datastores.go
Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@ import (
ds "gx/ipfs/QmPpegoMqhAEqjncrzArm7KVWAkCm78rqL2DPuNjhPrshg/go-datastore"
mount "gx/ipfs/QmPpegoMqhAEqjncrzArm7KVWAkCm78rqL2DPuNjhPrshg/go-datastore/syncmount"

humanize "gx/ipfs/QmPSBJL4momYnE7DcUyk2DVhD6rH488ZmHBGLbxNdhU44K/go-humanize"
ldbopts "gx/ipfs/QmbBhyDKsY4mbY6xsKt3qu9Y7FPvMJ6qbD8AMjYYvPRw1g/goleveldb/leveldb/opt"
badgerds "gx/ipfs/Qmbjb3c2KRPVNZWSvQED8zAf12Brdbp3ksSnGdsJiytqUs/go-ds-badger"
levelds "gx/ipfs/Qmbkc8BMfEixGCeKRuGGbf34mAjTb9xPmJ8Pm5gHU7ohZ4/go-ds-leveldb"
Expand Down Expand Up @@ -342,6 +343,8 @@ func (c measureDatastoreConfig) Create(path string) (repo.Datastore, error) {
type badgerdsDatastoreConfig struct {
path string
syncWrites bool

vlogFileSize int64
}

// BadgerdsDatastoreConfig returns a configuration stub for a badger datastore
Expand All @@ -366,6 +369,22 @@ func BadgerdsDatastoreConfig(params map[string]interface{}) (DatastoreConfig, er
}
}

vls, ok := params["vlogFileSize"]
if !ok {
// default to 1GiB
c.vlogFileSize = badgerds.DefaultOptions.ValueLogFileSize
} else {
if vlogSize, ok := vls.(string); ok {
s, err := humanize.ParseBytes(vlogSize)
if err != nil {
return nil, err
}
c.vlogFileSize = int64(s)
} else {
return nil, fmt.Errorf("'vlogFileSize' field was not a string")
}
}

return &c, nil
}

Expand All @@ -389,6 +408,7 @@ func (c *badgerdsDatastoreConfig) Create(path string) (repo.Datastore, error) {

defopts := badgerds.DefaultOptions
defopts.SyncWrites = c.syncWrites
defopts.ValueLogFileSize = c.vlogFileSize

return badgerds.NewDatastore(p, &defopts)
}