On 10/12/2013 07:21 PM, Saso Kiselkov wrote: > The current implementation is hardcoded guesswork as to the correct hash > table size. In principle, it works by taking the amount of physical > memory and dividing it by a 64k block size. The result is the amount of > hash buckets that will be created. On 64-bit machines this comes out to > roughly 128kB of hash tables for each 1 GB of physical memory. This > approach has obvious flaws:
What happens if you export the pool on one system and then try to import it on a system with less memory? SAS switches make that scenario more likely than most would expect.
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