Guillaume Ballet

We currently have no build machines recent enough to produce these binaries. We will wait for more options to be available to the us before we tackle this one.

What version of the keycard app is installed on your card?

Same question about your ledger app version, btw.

could you try to update your version to 3.0.2 ? It might be that the latest version that is supported in geth is 2.2.1, so try that as well if...

After about 6h, it's clear that the memory cleanup works well, however the performance in writing to disk doesn't.  Pivoting to concurrent insertion.

After splitting into different trees. I though commitment computations were disabled on `Insert`, but that was not the case. The DB size remains suspiciously low. 

New run, fixing a locking issue that would cause a crash: the database growth is still suspiciously slow.  Locking so high in the tree - which is needed in...

> I'm sceptical to the idea that we should do flush from the outside. IMO the basic approach should be > > * Always immediately flush leafs (and obviously calc...

Latest run of this PR: ``` INFO [05-27|01:44:40.477] Traversing state accounts=42,885,067 elapsed=16h29m42.655s INFO [05-27|01:44:48.478] Traversing state accounts=42,898,542 elapsed=16h29m50.655s INFO [05-27|01:44:48.574] Wrote all leaves accounts=42,898,700 elapsed=16h29m50.751s INFO [05-27|01:49:31.091] Conversion complete root...

 New version is a bit faster, same time, twice the amount of account. This is not using preimages, as preimage loading is thrashing.