+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
package main
import (
+ "context"
+ "encoding/json"
"fmt"
+ "io"
+ "runtime"
+ "sync"
+ "sync/atomic"
"time"
- "git.curoverse.com/arvados.git/sdk/go/arvados"
+ "git.arvados.org/arvados.git/sdk/go/arvados"
+ "github.com/jmoiron/sqlx"
)
func countCollections(c *arvados.Client, params arvados.ResourceListParams) (int, error) {
// The progress function is called periodically with done (number of
// times f has been called) and total (number of times f is expected
// to be called).
-//
-// If pageSize > 0 it is used as the maximum page size in each API
-// call; otherwise the maximum allowed page size is requested.
-func EachCollection(c *arvados.Client, pageSize int, f func(arvados.Collection) error, progress func(done, total int)) error {
+func EachCollection(ctx context.Context, db *sqlx.DB, c *arvados.Client, f func(arvados.Collection) error, progress func(done, total int)) error {
if progress == nil {
progress = func(_, _ int) {}
}
expectCount, err := countCollections(c, arvados.ResourceListParams{
- IncludeTrash: true,
+ IncludeTrash: true,
+ IncludeOldVersions: true,
})
if err != nil {
return err
}
+ var newestModifiedAt time.Time
- limit := pageSize
- if limit <= 0 {
- // Use the maximum page size the server allows
- limit = 1<<31 - 1
- }
- params := arvados.ResourceListParams{
- Limit: &limit,
- Order: "modified_at, uuid",
- Count: "none",
- Select: []string{"uuid", "unsigned_manifest_text", "modified_at", "portable_data_hash", "replication_desired"},
- IncludeTrash: true,
+ rows, err := db.QueryxContext(ctx, `SELECT uuid, manifest_text, modified_at, portable_data_hash, replication_desired, storage_classes_desired, is_trashed FROM collections`)
+ if err != nil {
+ return err
}
- var last arvados.Collection
- var filterTime time.Time
callCount := 0
- gettingExactTimestamp := false
- for {
- progress(callCount, expectCount)
- var page arvados.CollectionList
- err := c.RequestAndDecode(&page, "GET", "arvados/v1/collections", nil, params)
+ for rows.Next() {
+ var coll arvados.Collection
+ var classesDesired []byte
+ err = rows.Scan(&coll.UUID, &coll.ManifestText, &coll.ModifiedAt, &coll.PortableDataHash, &coll.ReplicationDesired, &classesDesired, &coll.IsTrashed)
if err != nil {
+ rows.Close()
return err
}
- for _, coll := range page.Items {
- if last.ModifiedAt != nil && *last.ModifiedAt == *coll.ModifiedAt && last.UUID >= coll.UUID {
- continue
- }
- callCount++
- err = f(coll)
- if err != nil {
- return err
- }
- last = coll
+ err = json.Unmarshal(classesDesired, &coll.StorageClassesDesired)
+ if err != nil {
+ rows.Close()
+ return err
}
- if len(page.Items) == 0 && !gettingExactTimestamp {
- break
- } else if last.ModifiedAt == nil {
- return fmt.Errorf("BUG: Last collection on the page (%s) has no modified_at timestamp; cannot make progress", last.UUID)
- } else if len(page.Items) > 0 && *last.ModifiedAt == filterTime {
- // If we requested time>=X and never got a
- // time>X then we might not have received all
- // items with time==X yet. Switch to
- // gettingExactTimestamp mode (if we're not
- // there already), advancing our UUID
- // threshold with each request, until we get
- // an empty page.
- gettingExactTimestamp = true
- params.Filters = []arvados.Filter{{
- Attr: "modified_at",
- Operator: "=",
- Operand: filterTime,
- }, {
- Attr: "uuid",
- Operator: ">",
- Operand: last.UUID,
- }}
- } else if gettingExactTimestamp {
- // This must be an empty page (in this mode,
- // an unequal timestamp is impossible) so we
- // can start getting pages of newer
- // collections.
- gettingExactTimestamp = false
- params.Filters = []arvados.Filter{{
- Attr: "modified_at",
- Operator: ">",
- Operand: filterTime,
- }}
- } else {
- // In the normal case, we know we have seen
- // all collections with modtime<filterTime,
- // but we might not have seen all that have
- // modtime=filterTime. Hence we use >= instead
- // of > and skip the obvious overlapping item,
- // i.e., the last item on the previous
- // page. In some edge cases this can return
- // collections we have already seen, but
- // avoiding that would add overhead in the
- // overwhelmingly common cases, so we don't
- // bother.
- filterTime = *last.ModifiedAt
- params.Filters = []arvados.Filter{{
- Attr: "modified_at",
- Operator: ">=",
- Operand: filterTime,
- }, {
- Attr: "uuid",
- Operator: "!=",
- Operand: last.UUID,
- }}
+ if newestModifiedAt.IsZero() || newestModifiedAt.Before(coll.ModifiedAt) {
+ newestModifiedAt = coll.ModifiedAt
+ }
+ callCount++
+ err = f(coll)
+ if err != nil {
+ return err
}
+ progress(callCount, expectCount)
+ }
+ rows.Close()
+ if err := rows.Err(); err != nil {
+ return err
}
- progress(callCount, expectCount)
-
if checkCount, err := countCollections(c, arvados.ResourceListParams{
Filters: []arvados.Filter{{
Attr: "modified_at",
Operator: "<=",
- Operand: filterTime}},
- IncludeTrash: true,
+ Operand: newestModifiedAt}},
+ IncludeTrash: true,
+ IncludeOldVersions: true,
}); err != nil {
return err
} else if callCount < checkCount {
- return fmt.Errorf("Retrieved %d collections with modtime <= T=%q, but server now reports there are %d collections with modtime <= T", callCount, filterTime, checkCount)
+ return fmt.Errorf("Retrieved %d collections with modtime <= T=%q, but server now reports there are %d collections with modtime <= T", callCount, newestModifiedAt, checkCount)
}
return nil
}
+
+func (bal *Balancer) updateCollections(ctx context.Context, c *arvados.Client, cluster *arvados.Cluster) error {
+ ctx, cancel := context.WithCancel(ctx)
+ defer cancel()
+
+ defer bal.time("update_collections", "wall clock time to update collections")()
+ threshold := time.Now()
+ thresholdStr := threshold.Format(time.RFC3339Nano)
+
+ var err error
+ collQ := make(chan arvados.Collection, cluster.Collections.BalanceCollectionBuffers)
+ go func() {
+ defer close(collQ)
+ err = EachCollection(ctx, bal.DB, c, func(coll arvados.Collection) error {
+ if coll.ModifiedAt.After(threshold) {
+ return io.EOF
+ }
+ if coll.IsTrashed {
+ return nil
+ }
+ collQ <- coll
+ return nil
+ }, func(done, total int) {
+ bal.logf("update collections: %d/%d", done, total)
+ })
+ if err == io.EOF {
+ err = nil
+ } else if err != nil {
+ bal.logf("error updating collections: %s", err)
+ }
+ }()
+
+ var updated int64
+ var wg sync.WaitGroup
+ for i := 0; i < runtime.NumCPU(); i++ {
+ wg.Add(1)
+ go func() {
+ defer wg.Done()
+ for coll := range collQ {
+ blkids, err := coll.SizedDigests()
+ if err != nil {
+ bal.logf("%s: %s", coll.UUID, err)
+ continue
+ }
+ repl := bal.BlockStateMap.GetConfirmedReplication(blkids, coll.StorageClassesDesired)
+ classes, err := json.Marshal(coll.StorageClassesDesired)
+ if err != nil {
+ bal.logf("BUG? json.Marshal(%v) failed: %s", classes, err)
+ continue
+ }
+ _, err = bal.DB.ExecContext(ctx, `update collections set
+ replication_confirmed=$1,
+ replication_confirmed_at=$2,
+ storage_classes_confirmed=$3,
+ storage_classes_confirmed_at=$2
+ where uuid=$4`,
+ repl, thresholdStr, classes, coll.UUID)
+ if err != nil {
+ bal.logf("%s: update failed: %s", coll.UUID, err)
+ continue
+ }
+ atomic.AddInt64(&updated, 1)
+ }
+ }()
+ }
+ wg.Wait()
+ bal.logf("updated %d collections", updated)
+ return err
+}
projects / arvados.git / blobdiff