Absolutely.
Moreover, PGs are not a unit of size, they are a logical grouping of smaller
RADOS objects, because a few thousand PGs are a lot easier and less expensive
to manage than tens or hundreds of millions of small underlying RADOS objects.
They’re for efficiency, and are not any set
Hi Wodel,
The simple explanation is that PGs are a level of storage abstraction above
the drives (OSD) and below objects (pools). The links below may be
helpful. PGs consume resources, so they should be planned as best you
can. Now you can scale them up and down, and use autoscaler, so you
