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fix: loading usage cache to not fail early when reading the backup fails (#18158)

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Currently, the retry is not fully used when there is no backup copy of
the data usage; use 5 retry attempts when we don't have any valid data, 
new or backup, unless we have seen an un-recognized error.
This commit is contained in:
Anis Eleuch 2023-10-02 19:22:35 -07:00 committed by GitHub
parent a2ab21e91c
commit b336e9a79f
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 9 additions and 3 deletions
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12
cmd/data-usage-cache.go
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@ -924,7 +924,7 @@ type objectIO interface {
// load the cache content with name from minioMetaBackgroundOpsBucket.
// Only backend errors are returned as errors.
// The loader is optimistic and has no locking, but tries 5 times before giving up.
// If the object is not found or unable to deserialize d is cleared and nil error is returned.
// If the object is not found, a nil error with empty data usage cache is returned.
func (d *dataUsageCache) load(ctx context.Context, store objectIO, name string) error {
// By defaut, empty data usage cache
*d = dataUsageCache{}
@ -960,13 +960,19 @@ func (d *dataUsageCache) load(ctx context.Context, store objectIO, name string)
if !retry {
break
}
retry, _ = load(name+".bkp", 30*time.Second)
if !retry {
retry, err = load(name+".bkp", 30*time.Second)
if err == nil && !retry {
// Only return when we have valid data from the backup
break
}
retries++
time.Sleep(time.Duration(rand.Int63n(int64(time.Second))))
}
if retries == 5 {
logger.LogOnceIf(ctx, fmt.Errorf("maximum retry reached to load the data usage cache `%s`", name), "retry-loading-data-usage-cache")
}
return nil
}