ec.encode: Display a warning on EC balancing if no replica placement settings are found. (#6487)

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Lisandro Pin 2025-01-29 17:50:19 +01:00 committed by GitHub
parent 33ba88df9c
commit 7913681297
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GPG Key ID: B5690EEEBB952194
3 changed files with 53 additions and 12 deletions

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@ -5,6 +5,7 @@ import (
"errors"
"fmt"
"math/rand/v2"
"slices"
"sort"
"sync"
"time"
@ -19,7 +20,6 @@ import (
"github.com/seaweedfs/seaweedfs/weed/storage/super_block"
"github.com/seaweedfs/seaweedfs/weed/storage/types"
"google.golang.org/grpc"
"slices"
)
type DataCenterId string
@ -176,20 +176,28 @@ func _getDefaultReplicaPlacement(commandEnv *CommandEnv) (*super_block.ReplicaPl
}
func parseReplicaPlacementArg(commandEnv *CommandEnv, replicaStr string) (*super_block.ReplicaPlacement, error) {
if replicaStr != "" {
rp, err := super_block.NewReplicaPlacementFromString(replicaStr)
if err == nil {
fmt.Printf("using replica placement %q for EC volumes\n", rp.String())
}
return rp, err
}
var rp *super_block.ReplicaPlacement
var err error
// No replica placement argument provided, resolve from master default settings.
rp, err := getDefaultReplicaPlacement(commandEnv)
if err == nil {
if replicaStr != "" {
rp, err = super_block.NewReplicaPlacementFromString(replicaStr)
if err != nil {
return rp, err
}
fmt.Printf("using replica placement %q for EC volumes\n", rp.String())
} else {
// No replica placement argument provided, resolve from master default settings.
rp, err = getDefaultReplicaPlacement(commandEnv)
if err != nil {
return rp, err
}
fmt.Printf("using master default replica placement %q for EC volumes\n", rp.String())
}
return rp, err
if !rp.HasReplication() {
fmt.Printf("WARNING: replica placement type %q is empty!", rp.String())
}
return rp, nil
}
func collectTopologyInfo(commandEnv *CommandEnv, delayBeforeCollecting time.Duration) (topoInfo *master_pb.TopologyInfo, volumeSizeLimitMb uint64, err error) {

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@ -45,6 +45,10 @@ func NewReplicaPlacementFromByte(b byte) (*ReplicaPlacement, error) {
return NewReplicaPlacementFromString(fmt.Sprintf("%03d", b))
}
func (rp *ReplicaPlacement) HasReplication() bool {
return rp.DiffDataCenterCount != 0 || rp.DiffRackCount != 0 || rp.SameRackCount != 0
}
func (a *ReplicaPlacement) Equals(b *ReplicaPlacement) bool {
if a == nil || b == nil {
return false

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@ -12,3 +12,32 @@ func TestReplicaPlacementSerialDeserial(t *testing.T) {
t.Fail()
}
}
func TestReplicaPlacementHasReplication(t *testing.T) {
testCases := []struct {
name string
replicaPlacement string
want bool
}{
{"empty replica placement", "", false},
{"no replication", "000", false},
{"same rack replication", "100", true},
{"diff rack replication", "020", true},
{"DC replication", "003", true},
{"full replication", "155", true},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
rp, err := NewReplicaPlacementFromString(tc.replicaPlacement)
if err != nil {
t.Errorf("failed to initialize ReplicaPlacement: %v", err)
return
}
if got, want := rp.HasReplication(), tc.want; got != want {
t.Errorf("expected %v, got %v", want, got)
}
})
}
}