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Use NastyCache for MeritOrder and Molecules to reduce cache round-trips #1748

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Use NastyCache for MeritOrder and Molecules to reduce cache round-trips #1748

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673325d
Batch etsource cache reads with fetch_multi to reduce N+1 queries
aaccensi May 11, 2026
4448b57
Merge branch 'master' into warm-cache-etsource-classes
aaccensi May 18, 2026
0348627
Use process-level memoization instead of IsolatedExecutionState
aaccensi May 18, 2026
1276fcf
Use NastyCache instead of Rails.cache for MeritOrder and Molecules
aaccensi May 19, 2026
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2 changes: 1 addition & 1 deletion app/models/etsource/merit_order.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -84,7 +84,7 @@ def import_agriculture_heat
#
# Returns a hash.
def import(attribute)
Rails.cache.fetch("#{attribute}_hash") do
NastyCache.instance.fetch("#{attribute}_hash") do
mo_nodes = Atlas::EnergyNode.all.select(&attribute).sort_by(&:key)
mo_data = {}

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4 changes: 2 additions & 2 deletions app/models/etsource/molecules.rb
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Expand Up @@ -12,7 +12,7 @@ module Molecules
#
# Returns an Array of Symbols.
def from_energy_keys
Rails.cache.fetch('molecules.from_energy_keys') do
NastyCache.instance.fetch('molecules.from_energy_keys') do
Atlas::MoleculeNode.all.select(&:from_energy).map(&:key).sort
end
end
Expand All @@ -24,7 +24,7 @@ def from_energy_keys
#
# Returns an Array of Symbols.
def from_molecules_keys
Rails.cache.fetch('molecules.from_molecules_keys') do
NastyCache.instance.fetch('molecules.from_molecules_keys') do
Atlas::EnergyNode.all.select(&:from_molecules).map(&:key).sort
end
end
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