RFC: caching in CHKInventory

[John Arbash Meinel]

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Robert Collins wrote:

...

>> Will implementing caching in CHKInventory mean
>> there are two layers caching the same data?
> 
> Kindof. consider a three-node map: root, leaf1, leaf2, the cache in the
> Map level will have the three nodes; maybe parsed, or maybe as bytes.
> The CHKInventory cache would have the actual InventoryEntry objects
> looked up by the client.
> 

It seems reasonable to me, to keep the InventoryEntries you've looked
up, rather than parsing them again.

You'll run into a bit of double caching, at the tuple, and then at the
object layer. But I would guess it is still worthwhile.

John
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