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https://github.com/minio/minio.git
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a7577da768
- Use a shared worker pool for all ILM expiry tasks - Free version cleanup executes in a separate goroutine - Add a free version only if removing the remote object fails - Add ILM expiry metrics to the node namespace - Move tier journal tasks to expiryState - Remove unused on-disk journal for tiered objects pending deletion - Distribute expiry tasks across workers such that the expiry of versions of the same object serialized - Ability to resize worker pool without server restart - Make scaling down of expiryState workers' concurrency safe; Thanks @klauspost - Add error logs when expiryState and transition state are not initialized (yet) * metrics: Add missed tier journal entry tasks * Initialize the ILM worker pool after the object layer
111 lines
3.4 KiB
Go
111 lines
3.4 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"bytes"
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"fmt"
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"github.com/google/uuid"
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"github.com/minio/minio/internal/bucket/lifecycle"
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)
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const freeVersion = "free-version"
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// InitFreeVersion creates a free-version to track the tiered-content of j. If j has
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// no tiered content, it returns false.
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func (j xlMetaV2Object) InitFreeVersion(fi FileInfo) (xlMetaV2Version, bool) {
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if fi.SkipTierFreeVersion() {
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return xlMetaV2Version{}, false
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}
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if status, ok := j.MetaSys[ReservedMetadataPrefixLower+TransitionStatus]; ok && bytes.Equal(status, []byte(lifecycle.TransitionComplete)) {
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vID, err := uuid.Parse(fi.TierFreeVersionID())
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if err != nil {
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panic(fmt.Errorf("Invalid Tier Object delete marker versionId %s %v", fi.TierFreeVersionID(), err))
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}
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freeEntry := xlMetaV2Version{Type: DeleteType, WrittenByVersion: globalVersionUnix}
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freeEntry.DeleteMarker = &xlMetaV2DeleteMarker{
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VersionID: vID,
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ModTime: j.ModTime, // fi.ModTime may be empty
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MetaSys: make(map[string][]byte),
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}
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freeEntry.DeleteMarker.MetaSys[ReservedMetadataPrefixLower+freeVersion] = []byte{}
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tierKey := ReservedMetadataPrefixLower + TransitionTier
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tierObjKey := ReservedMetadataPrefixLower + TransitionedObjectName
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tierObjVIDKey := ReservedMetadataPrefixLower + TransitionedVersionID
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for k, v := range j.MetaSys {
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switch k {
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case tierKey, tierObjKey, tierObjVIDKey:
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freeEntry.DeleteMarker.MetaSys[k] = v
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}
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}
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return freeEntry, true
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}
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return xlMetaV2Version{}, false
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}
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// FreeVersion returns true if j represents a free-version, false otherwise.
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func (j xlMetaV2DeleteMarker) FreeVersion() bool {
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_, ok := j.MetaSys[ReservedMetadataPrefixLower+freeVersion]
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return ok
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}
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// FreeVersion returns true if j represents a free-version, false otherwise.
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func (j xlMetaV2Version) FreeVersion() bool {
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if j.Type == DeleteType {
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return j.DeleteMarker.FreeVersion()
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}
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return false
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}
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// AddFreeVersion adds a free-version if needed for fi.VersionID version.
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// Free-version will be added if fi.VersionID has transitioned.
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func (x *xlMetaV2) AddFreeVersion(fi FileInfo) error {
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var uv uuid.UUID
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var err error
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switch fi.VersionID {
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case "", nullVersionID:
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default:
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uv, err = uuid.Parse(fi.VersionID)
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if err != nil {
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return err
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}
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}
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for i, version := range x.versions {
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if version.header.VersionID != uv || version.header.Type != ObjectType {
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continue
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}
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// if uv has tiered content we add a
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// free-version to track it for asynchronous
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// deletion via scanner.
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ver, err := x.getIdx(i)
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if err != nil {
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return err
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}
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if freeVersion, toFree := ver.ObjectV2.InitFreeVersion(fi); toFree {
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return x.addVersion(freeVersion)
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}
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return nil
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}
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return nil
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}
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