* - Initially we enforce one global pool for each mobject store instance for simplicity.
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* - Does ch-placement offer an algorithm similar to crush (e.g., PG concept)?
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* - We will not implement any replication.
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* - RADOS seems to expose object versions, but I only see them in the 'object operation' portion of their API, which is big and awkward (i.e., would love to not implement that).