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[#1634] node: Do not return expired objects

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If an object has not been marked for removal by the GC in the current epoch
yet but has already expired, respond with `ErrObjectNotFound` api status.
Also, optimize shard iteration: a node must stop any iteration if the object
 is found but gonna be removed soon.
All the checks are performed by the Metabase.

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
This commit is contained in:
Pavel Karpy 2022-07-27 21:38:28 +03:00 • committed by Pavel Karpy
parent 9aba0ba512
commit 156ba85326
28 changed files with 230 additions and 36 deletions
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8
pkg/core/object/errors.go Normal file
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@ -0,0 +1,8 @@
package object
import "errors"
// ErrObjectIsExpired is returned when the requested object's
// epoch is less than the current one. Such objects are considered
// as removed and should not be returned from the Storage Engine.
var ErrObjectIsExpired = errors.New("object is expired")