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randomize a bit for ec shards distribution

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This commit is contained in:
Chris Lu 2021-11-04 09:23:40 -07:00
parent b485c905d4
commit 00ae965d8d
1 changed files with 2 additions and 1 deletions
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3
weed/shell/command_ec_encode.go
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@ -6,6 +6,7 @@ import (
"fmt"
"github.com/chrislusf/seaweedfs/weed/pb"
"io"
"math/rand"
"sync"
"time"
@ -248,7 +249,7 @@ func parallelCopyEcShardsFromSource(grpcDialOption grpc.DialOption, targetServer
func balancedEcDistribution(servers []*EcNode) (allocated [][]uint32) {
allocated = make([][]uint32, len(servers))
allocatedShardIdIndex := uint32(0)
serverIndex := 0
serverIndex := rand.Intn(len(servers))
for allocatedShardIdIndex < erasure_coding.TotalShardsCount {
if servers[serverIndex].freeEcSlot > 0 {
allocated[serverIndex] = append(allocated[serverIndex], allocatedShardIdIndex)