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[feat] use rename instead of recursive deletes (#11641)

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most of the delete calls today spend time in
a blocking operation where multiple calls need
to be recursively sent to delete the objects,
instead we can use rename operation to atomically
move the objects from the namespace to `tmp/.trash`

we can schedule deletion of objects at this
location once in 15, 30mins and we can also add
wait times between each delete operation.

this allows us to make delete's faster as well
less chattier on the drives, each server runs locally
a groutine which would clean this up regularly.
This commit is contained in:
Harshavardhana
2021-02-26 09:52:27 -08:00
committed by GitHub
parent 1f659204a2
commit 6386b45c08
9 changed files with 179 additions and 87 deletions
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5
cmd/object-api-utils.go
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@@ -58,8 +58,11 @@ const (
mpartMetaPrefix = "multipart"
// MinIO Multipart meta prefix.
minioMetaMultipartBucket = minioMetaBucket + SlashSeparator + mpartMetaPrefix
// MinIO Tmp meta prefix.
// MinIO tmp meta prefix.
minioMetaTmpBucket = minioMetaBucket + "/tmp"
// MinIO tmp meta prefix for deleted objects.
minioMetaTmpDeletedBucket = minioMetaTmpBucket + "/.trash"
// DNS separator (period), used for bucket name validation.
dnsDelimiter = "."
// On compressed files bigger than this;