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Diffstat (limited to 'releasenotes/notes/handle-sparse-image-a3ecfc4ae1c00d48.yaml')
| -rw-r--r-- | releasenotes/notes/handle-sparse-image-a3ecfc4ae1c00d48.yaml | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/releasenotes/notes/handle-sparse-image-a3ecfc4ae1c00d48.yaml b/releasenotes/notes/handle-sparse-image-a3ecfc4ae1c00d48.yaml new file mode 100644 index 0000000..6122051 --- /dev/null +++ b/releasenotes/notes/handle-sparse-image-a3ecfc4ae1c00d48.yaml @@ -0,0 +1,15 @@ +--- +features: + - | + Add new configuration option ``rbd_thin_provisioning`` and + ``filesystem_thin_provisioning`` to rbd and filesystem + store to enable or not sparse upload, default are False. + + A sparse file means that we do not actually write null byte sequences + but only the data itself at a given offset, the "holes" which can + appear will automatically be interpreted by the storage backend as + null bytes, and do not really consume your storage. + + Enabling this feature will also speed up image upload and save + network traffic in addition to save space in the backend, as null + bytes sequences are not sent over the network. |