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use the new errgroup API whereever applicable (#11466)

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start using the new errgroup concurrency control
API introduced in #11457
This commit is contained in:
Harshavardhana
2021-02-09 12:08:25 -08:00
committed by GitHub
parent 84d400487f
commit fe3c39b583
2 changed files with 22 additions and 26 deletions
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14
cmd/bucket-handlers.go
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@@ -126,7 +126,10 @@ func initFederatorBackend(buckets []BucketInfo, objLayer ObjectLayer) {
// Add/update buckets that are not registered with the DNS
bucketsToBeUpdatedSlice := bucketsToBeUpdated.ToSlice()
g := errgroup.WithNErrs(len(bucketsToBeUpdatedSlice))
g := errgroup.WithNErrs(len(bucketsToBeUpdatedSlice)).WithConcurrency(50)
ctx, cancel := g.WithCancelOnError(GlobalContext)
defer cancel()
for index := range bucketsToBeUpdatedSlice {
index := index
g.Go(func() error {
@@ -134,14 +137,13 @@ func initFederatorBackend(buckets []BucketInfo, objLayer ObjectLayer) {
}, index)
}
for _, err := range g.Wait() {
if err != nil {
logger.LogIf(GlobalContext, err)
}
if err := g.WaitErr(); err != nil {
logger.LogIf(ctx, err)
return
}
for _, bucket := range bucketsInConflict.ToSlice() {
logger.LogIf(GlobalContext, fmt.Errorf("Unable to add bucket DNS entry for bucket %s, an entry exists for the same bucket by a different tenant. This local bucket will be ignored. Bucket names are globally unique in federated deployments. Use path style requests on following addresses '%v' to access this bucket.", bucket, globalDomainIPs.ToSlice()))
logger.LogIf(ctx, fmt.Errorf("Unable to add bucket DNS entry for bucket %s, an entry exists for the same bucket by a different tenant. This local bucket will be ignored. Bucket names are globally unique in federated deployments. Use path style requests on following addresses '%v' to access this bucket", bucket, globalDomainIPs.ToSlice()))
}
var wg sync.WaitGroup