[bisq-network/bisq] Use NonMMappedSPVBlockStore on windows. (#2403)
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Thu Feb 14 21:15:59 UTC 2019
I did some very basic test with an older not synced app on mainnet with using NonMMappedSPVBlockStore and SPVBlockStore. 2318 blocks where downloaded.
As I am on OSX so I just changed the if switch to enable NonMMappedSPVBlockStore.
I had Bitcoin core locally to avoid too much influence from network conditions.
I run 3 times with replacing the original outdated data directory to trigger the download of all 2318 blocks:
SPVBlockStore: 51417 ms, 68965 ms, 68922 ms
NonMMappedSPVBlockStore: 92405 ms, 83738 ms, 71824 ms
So NonMMappedSPVBlockStore is a bit slower but not too critical.
Of course that is just one use case and is not sufficient to be sure if there is not more serious performance degradation, but I think it is ok to take the risk to merge that now.
I would prefer to not apply that to all OS but keep it as it is only for Windows.
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