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[#314] writecache: remove objects right after they are flushed

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Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
This commit is contained in:
Evgenii Stratonikov 2023-05-10 17:43:49 +03:00 • committed by Evgenii Stratonikov
parent bf79d06f03
commit 35c9b6b26d
9 changed files with 25 additions and 408 deletions
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28
pkg/local_object_storage/writecache/flush.go
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@ -78,7 +78,7 @@ func (c *cache) flushSmallObjects() {
m = m[:0]
c.modeMtx.RLock()
if c.readOnly() || !c.initialized.Load() {
if c.readOnly() {
c.modeMtx.RUnlock()
time.Sleep(time.Second)
continue
@ -117,10 +117,6 @@ func (c *cache) flushSmallObjects() {
var count int
for i := range m {
if c.flushed.Contains(m[i].addr) {
continue
}
obj := object.New()
if err := obj.Unmarshal(m[i].data); err != nil {
continue
@ -157,9 +153,6 @@ func (c *cache) workerFlushBig(ctx context.Context) {
if c.readOnly() {
c.modeMtx.RUnlock()
break
} else if !c.initialized.Load() {
c.modeMtx.RUnlock()
continue
}
_ = c.flushFSTree(ctx, true)
@ -187,10 +180,6 @@ func (c *cache) flushFSTree(ctx context.Context, ignoreErrors bool) error {
prm.LazyHandler = func(addr oid.Address, f func() ([]byte, error)) error {
sAddr := addr.EncodeToString()
if _, ok := c.store.flushed.Peek(sAddr); ok {
return nil
}
data, err := f()
if err != nil {
c.reportFlushError("can't read a file", sAddr, err)
@ -218,9 +207,7 @@ func (c *cache) flushFSTree(ctx context.Context, ignoreErrors bool) error {
return err
}
// mark object as flushed
c.flushed.Add(sAddr, false)
c.deleteFromDisk(ctx, []string{sAddr})
return nil
}
@ -242,9 +229,12 @@ func (c *cache) workerFlushSmall() {
}
err := c.flushObject(context.TODO(), obj, nil)
if err == nil {
c.flushed.Add(objectCore.AddressOf(obj).EncodeToString(), true)
if err != nil {
// Error is handled in flushObject.
continue
}
c.deleteFromDB([]string{objectCore.AddressOf(obj).EncodeToString()})
}
}
@ -306,10 +296,6 @@ func (c *cache) flush(ctx context.Context, ignoreErrors bool) error {
cs := b.Cursor()
for k, data := cs.Seek(nil); k != nil; k, data = cs.Next() {
sa := string(k)
if _, ok := c.flushed.Peek(sa); ok {
continue
}
if err := addr.DecodeString(sa); err != nil {
c.reportFlushError("can't decode object address from the DB", sa, err)
if ignoreErrors {