Only search through last 100_000 activities for fetches.

This is purely a performance enhancement
This commit is contained in:
Roger Braun 2017-10-31 15:26:37 +01:00
parent 997c01be53
commit 3037814fde

View File

@ -155,6 +155,14 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
end end
defp restrict_favorited_by(query, _), do: query defp restrict_favorited_by(query, _), do: query
# Only search through last 100_000 activities by default
defp restrict_recent(query, _) do
since = Repo.aggregate(Activity, :max, :id) - 100_000
from activity in query,
where: activity.id > ^since
end
def fetch_activities(recipients, opts \\ %{}) do def fetch_activities(recipients, opts \\ %{}) do
base_query = from activity in Activity, base_query = from activity in Activity,
limit: 20, limit: 20,
@ -169,6 +177,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
|> restrict_actor(opts) |> restrict_actor(opts)
|> restrict_type(opts) |> restrict_type(opts)
|> restrict_favorited_by(opts) |> restrict_favorited_by(opts)
|> restrict_recent(opts)
|> Repo.all |> Repo.all
|> Enum.reverse |> Enum.reverse
end end