On 1/10/17 4:29 PM, Frank Filz wrote:
> It looks like dirent caching does buy us something, though interestingly the
> initial populating tends to be the quickest run...
>
If the initial populating is the quickest run, there must be some
interaction between the cache and the re-fetch that's causing thrashing.

I make no pretense of understanding this code.  But my gut feeling at this
point is to toss this caching entirely.  Faster stores and faster networks
mean fetching the entries should be fairly low latency.  Need to optimize
moving the data through the system, with less examining it.

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