mirror of https://github.com/minio/minio.git
125 lines
3.1 KiB
Go
125 lines
3.1 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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"context"
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"time"
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"github.com/minio/madmin-go/v3"
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"github.com/minio/pkg/v2/wildcard"
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)
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const (
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mrfOpsQueueSize = 100000
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)
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// partialOperation is a successful upload/delete of an object
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// but not written in all disks (having quorum)
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type partialOperation struct {
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bucket string
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object string
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versionID string
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allVersions bool
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setIndex, poolIndex int
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queued time.Time
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scanMode madmin.HealScanMode
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}
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// mrfState sncapsulates all the information
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// related to the global background MRF.
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type mrfState struct {
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opCh chan partialOperation
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}
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// Add a partial S3 operation (put/delete) when one or more disks are offline.
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func (m *mrfState) addPartialOp(op partialOperation) {
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if m == nil {
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return
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}
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select {
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case m.opCh <- op:
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default:
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}
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}
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var healSleeper = newDynamicSleeper(5, time.Second, false)
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// healRoutine listens to new disks reconnection events and
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// issues healing requests for queued objects belonging to the
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// corresponding erasure set
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func (m *mrfState) healRoutine(z *erasureServerPools) {
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for {
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select {
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case <-GlobalContext.Done():
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return
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case u, ok := <-m.opCh:
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if !ok {
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return
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}
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// We might land at .metacache, .trash, .multipart
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// no need to heal them skip, only when bucket
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// is '.minio.sys'
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if u.bucket == minioMetaBucket {
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// No MRF needed for temporary objects
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if wildcard.Match("buckets/*/.metacache/*", u.object) {
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continue
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}
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if wildcard.Match("tmp/*", u.object) {
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continue
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}
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if wildcard.Match("multipart/*", u.object) {
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continue
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}
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if wildcard.Match("tmp-old/*", u.object) {
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continue
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}
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}
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now := time.Now()
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if now.Sub(u.queued) < time.Second {
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// let recently failed networks to reconnect
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// making MRF wait for 1s before retrying,
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// i.e 4 reconnect attempts.
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time.Sleep(time.Second)
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}
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// wait on timer per heal
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wait := healSleeper.Timer(context.Background())
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scan := madmin.HealNormalScan
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if u.scanMode != 0 {
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scan = u.scanMode
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}
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if u.object == "" {
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healBucket(u.bucket, scan)
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} else {
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if u.allVersions {
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z.serverPools[u.poolIndex].sets[u.setIndex].listAndHeal(u.bucket, u.object, u.scanMode, healObjectVersionsDisparity)
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} else {
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healObject(u.bucket, u.object, u.versionID, scan)
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}
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}
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wait()
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}
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}
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}
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