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fix: Speed up multi-object delete by taking bulk locks (#8974)

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Change distributed locking to allow taking bulk locks
across objects, reduces usually 1000 calls to 1.

Also allows for situations where multiple clients sends
delete requests to objects with following names

```
{1,2,3,4,5}
```

```
{5,4,3,2,1}
```

will block and ensure that we do not fail the request
on each other.
This commit is contained in:
Harshavardhana
2020-02-21 11:29:57 +05:30
committed by GitHub
parent 852fb320f7
commit ab7d3cd508
24 changed files with 305 additions and 580 deletions
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cmd/xl-sets.go
+5 -2
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@@ -335,8 +335,11 @@ func newXLSets(endpoints Endpoints, format *formatXLV3, setCount int, drivesPerS
}
// NewNSLock - initialize a new namespace RWLocker instance.
func (s *xlSets) NewNSLock(ctx context.Context, bucket string, object string) RWLocker {
return s.getHashedSet(object).NewNSLock(ctx, bucket, object)
func (s *xlSets) NewNSLock(ctx context.Context, bucket string, objects ...string) RWLocker {
if len(objects) == 1 {
return s.getHashedSet(objects[0]).NewNSLock(ctx, bucket, objects...)
}
return s.getHashedSet("").NewNSLock(ctx, bucket, objects...)
}
// StorageInfo - combines output of StorageInfo across all erasure coded object sets.