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Remove conf height put during ledger processing on a newly opened account #2883
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wezrule
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Remove conf height put during ledger processing on a newly opened account #2883
wezrule
merged 15 commits into
nanocurrency:develop
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wezrule:conf_height_move_from_ledger
Nov 3, 2020
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When an account is opened the confirmation height database adds the account with height/frontier of 0. This is unnecessary as the lack of this existing means these values are implicitly 0. This PR makes that change.
This allows us to set
allow_concurrent_memtable_writes
to false in RocksDB and enables use of theHashSkipListFactory
for memtables enabling faster point reads. This does mean that we can no longer write multiple independent things in RocksDB, but we don't currently do that with anything else.In the future this could enable a separate LMDB database store to be used to get better block processing/conf height performance with LMDB because they currently block each other on writes and could also remove the write database queue (although it's useful for teats still). This is not done here.
Added a test for #2777
unconfirmed frontiers
Clearing confirmation height now just removes the whole table rather than reset every account individually.