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erase from persistent_term without blocking registry #4545

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erase from persistent_term without blocking registry #4545

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5 changes: 4 additions & 1 deletion lib/ecto/repo/registry.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -45,7 +45,10 @@ defmodule Ecto.Repo.Registry do
@impl true
def handle_info({:DOWN, ref, _type, pid, _reason}, table) do
[{^pid, ^ref, name, _}] = :ets.lookup(table, pid)
name && :persistent_term.erase(name)
# we call :persistent_term.erase inside a new process to prevent
# the possibly slow erase call from blocking us from processing
# other messages
name && spawn(:persistent_term, :erase, [name])
:ets.delete(table, pid)
{:noreply, table}
end
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