diff --git a/config/benchmark.exs b/config/benchmark.exs
new file mode 100644
index 000000000..b4f5dbdbd
--- /dev/null
+++ b/config/benchmark.exs
@@ -0,0 +1,88 @@
+use Mix.Config
+
+# We don't run a server during test. If one is required,
+# you can enable the server option below.
+config :pleroma, Pleroma.Web.Endpoint,
+  http: [port: 4001],
+  url: [port: 4001],
+  server: true
+
+# Disable captha for tests
+config :pleroma, Pleroma.Captcha,
+  # It should not be enabled for automatic tests
+  enabled: false,
+  # A fake captcha service for tests
+  method: Pleroma.Captcha.Mock
+
+# Print only warnings and errors during test
+config :logger, level: :warn
+
+config :pleroma, :auth, oauth_consumer_strategies: []
+
+config :pleroma, Pleroma.Upload, filters: [], link_name: false
+
+config :pleroma, Pleroma.Uploaders.Local, uploads: "test/uploads"
+
+config :pleroma, Pleroma.Emails.Mailer, adapter: Swoosh.Adapters.Test, enabled: true
+
+config :pleroma, :instance,
+  email: "admin@example.com",
+  notify_email: "noreply@example.com",
+  skip_thread_containment: false,
+  federating: false
+
+config :pleroma, :activitypub, sign_object_fetches: false
+
+# Configure your database
+config :pleroma, Pleroma.Repo,
+  adapter: Ecto.Adapters.Postgres,
+  username: System.get_env("DB_USER") || "postgres",
+  database: System.get_env("DB_DATABASE") || "pleroma_test",
+  hostname: System.get_env("DB_HOST") || "localhost",
+  # username: "pleroma",
+  password:
+    System.get_env("DB_PASS") ||
+      "cAUrGezwXjRwd/lIPzZAcwjb/hiZiGi3FIaSGy9l/XsTcGA61FMy7eCBiRcg1DyQ",
+  # password: "",
+  pool_size: 10,
+  timeout: 180_000
+
+# Reduce hash rounds for testing
+config :pbkdf2_elixir, rounds: 1
+
+config :tesla, adapter: Tesla.Mock
+
+config :pleroma, :rich_media,
+  enabled: false,
+  ignore_hosts: [],
+  ignore_tld: ["local", "localdomain", "lan"]
+
+config :web_push_encryption, :vapid_details,
+  subject: "mailto:administrator@example.com",
+  public_key:
+    "BLH1qVhJItRGCfxgTtONfsOKDc9VRAraXw-3NsmjMngWSh7NxOizN6bkuRA7iLTMPS82PjwJAr3UoK9EC1IFrz4",
+  private_key: "_-XZ0iebPrRfZ_o0-IatTdszYa8VCH1yLN-JauK7HHA"
+
+config :web_push_encryption, :http_client, Pleroma.Web.WebPushHttpClientMock
+
+config :pleroma_job_queue, disabled: true
+
+config :pleroma, Pleroma.ScheduledActivity,
+  daily_user_limit: 2,
+  total_user_limit: 3,
+  enabled: false
+
+config :pleroma, :rate_limit,
+  search: [{1000, 30}, {1000, 30}],
+  app_account_creation: {10_000, 5},
+  password_reset: {1000, 30}
+
+config :pleroma, :http_security, report_uri: "https://endpoint.com"
+
+config :pleroma, :http, send_user_agent: false
+
+rum_enabled = System.get_env("RUM_ENABLED") == "true"
+config :pleroma, :database, rum_enabled: rum_enabled
+IO.puts("RUM enabled: #{rum_enabled}")
+
+config :pleroma, Pleroma.ReverseProxy.Client, Pleroma.ReverseProxy.ClientMock
diff --git a/lib/load_testing/fetcher.ex b/lib/load_testing/fetcher.ex
new file mode 100644
index 000000000..70c0fcd0c
--- /dev/null
+++ b/lib/load_testing/fetcher.ex
@@ -0,0 +1,116 @@
+defmodule Pleroma.LoadTesting.Fetcher do
+  use Pleroma.LoadTesting.Helper
+
+  def fetch_user(user) do
+    IO.puts("=================================")
+
+    {time, _value} = :timer.tc(fn -> Repo.get_by(User, id: user.id) end)
+
+    IO.puts("Query user by id: #{to_sec(time)} sec.")
+
+    {time, _value} =
+      :timer.tc(fn ->
+        Repo.get_by(User, ap_id: user.ap_id)
+      end)
+
+    IO.puts("Query user by ap_id: #{to_sec(time)} sec.")
+
+    {time, _value} =
+      :timer.tc(fn ->
+        Repo.get_by(User, email: user.email)
+      end)
+
+    IO.puts("Query user by email: #{to_sec(time)} sec.")
+
+    {time, _value} = :timer.tc(fn -> Repo.get_by(User, nickname: user.nickname) end)
+
+    IO.puts("Query user by nickname: #{to_sec(time)} sec.")
+  end
+
+  def query_timelines(user) do
+    IO.puts("\n=================================")
+
+    params = %{
+      "count" => 20,
+      "with_muted" => true,
+      "type" => ["Create", "Announce"],
+      "blocking_user" => user,
+      "muting_user" => user,
+      "user" => user
+    }
+
+    {time, _} =
+      :timer.tc(fn ->
+        ActivityPub.ActivityPub.fetch_activities([user.ap_id | user.following], params)
+      end)
+
+    IO.puts("Query user home timeline: #{to_sec(time)} sec.")
+
+    params = %{
+      "count" => 20,
+      "local_only" => true,
+      "only_media" => "false",
+      "type" => ["Create", "Announce"],
+      "with_muted" => "true",
+      "blocking_user" => user,
+      "muting_user" => user
+    }
+
+    {time, _} =
+      :timer.tc(fn ->
+        ActivityPub.ActivityPub.fetch_public_activities(params)
+      end)
+
+    IO.puts("Query user mastodon public timeline: #{to_sec(time)} sec.")
+
+    params = %{
+      "count" => 20,
+      "only_media" => "false",
+      "type" => ["Create", "Announce"],
+      "with_muted" => "true",
+      "blocking_user" => user,
+      "muting_user" => user
+    }
+
+    {time, _} =
+      :timer.tc(fn ->
+        ActivityPub.ActivityPub.fetch_public_activities(params)
+      end)
+
+    IO.puts("Query user mastodon federated public timeline: #{to_sec(time)} sec.")
+  end
+
+  def query_notifications(user) do
+    IO.puts("\n=================================")
+    params = %{"count" => "20", "with_muted" => "false"}
+
+    {time, _} =
+      :timer.tc(fn -> Pleroma.Web.MastodonAPI.MastodonAPI.get_notifications(user, params) end)
+
+    IO.puts("Query user notifications with out muted: #{to_sec(time)} sec.")
+
+    params = %{"count" => "20", "with_muted" => "true"}
+
+    {time, _} =
+      :timer.tc(fn -> Pleroma.Web.MastodonAPI.MastodonAPI.get_notifications(user, params) end)
+
+    IO.puts("Query user notifications with muted: #{to_sec(time)} sec.")
+  end
+
+  def query_long_thread(user, activity) do
+    IO.puts("\n=================================")
+
+    {time, replies} =
+      :timer.tc(fn ->
+        Pleroma.Web.ActivityPub.ActivityPub.fetch_activities_for_context(
+          activity.data["context"],
+          %{
+            "blocking_user" => user,
+            "user" => user
+          }
+        )
+      end)
+
+    IO.puts("Query long thread with #{length(replies)} replies: #{to_sec(time)} sec.")
+  end
+end
diff --git a/lib/load_testing/generator.ex b/lib/load_testing/generator.ex
new file mode 100644
index 000000000..a9016b9e8
--- /dev/null
+++ b/lib/load_testing/generator.ex
@@ -0,0 +1,83 @@
+defmodule Pleroma.LoadTesting.Generator do
+  use Pleroma.LoadTesting.Helper
+
+  def generate_users(opts) do
+    IO.puts("Starting generating #{opts[:users_max]} users...")
+    {time, _} = :timer.tc(fn -> do_generate_users(opts) end)
+    IO.puts("Inserting users take #{to_sec(time)} sec.\n")
+  end
+
+  defp do_generate_users(opts) do
+    min = Keyword.get(opts, :users_min, 1)
+    max = Keyword.get(opts, :users_max)
+
+    query =
+      "INSERT INTO \"users\" (\"ap_id\",\"bio\",\"email\",\"follower_address\",\"following\",\"following_address\",\"info\",
+      \"local\",\"name\",\"nickname\",\"password_hash\",\"tags\",\"id\",\"inserted_at\",\"updated_at\") VALUES \n"
+
+    users =
+      Task.async_stream(
+        min..max,
+        &generate_user_data(&1),
+        max_concurrency: 10,
+        timeout: 30_000
+      )
+      |> Enum.reduce("", fn {:ok, data}, acc -> acc <> data <> ", \n" end)
+
+    query = query <> String.replace_trailing(users, ", \n", ";")
+
+    Ecto.Adapters.SQL.query!(Repo, query)
+  end
+
+  defp generate_user_data(i) do
+    user = %User{
+      name: "Test テスト User #{i}",
+      email: "user#{i}@example.com",
+      nickname: "nick#{i}",
+      password_hash: Comeonin.Pbkdf2.hashpwsalt("test"),
+      bio: "Tester Number #{i}",
+      info: %{}
+    }
+
+    user = %{
+      user
+      | ap_id: User.ap_id(user),
+        follower_address: User.ap_followers(user),
+        following_address: User.ap_following(user),
+        following: [User.ap_id(user)]
+    }
+
+    "('#{user.ap_id}', '#{user.bio}', '#{user.email}', '#{user.follower_address}', '{#{
+      user.following
+    }}', '#{user.following_address}', '#{Jason.encode!(user.info)}', '#{user.local}', '#{
+      user.name
+    }', '#{user.nickname}', '#{user.password_hash}', '{#{user.tags}}', uuid_generate_v4(), NOW(), NOW())"
+  end
+
+  def generate_activities(users, opts) do
+    IO.puts("Starting generating #{opts[:activities_max]} activities...")
+    {time, _} = :timer.tc(fn -> do_generate_activities(users, opts) end)
+    IO.puts("Inserting activities take #{to_sec(time)} sec.\n")
+  end
+
+  defp do_generate_activities(users, opts) do
+    Task.async_stream(
+      1..opts[:activities_max],
+      fn _ ->
+        do_generate_activity(users, opts)
+      end,
+      max_concurrency: 10,
+      timeout: 30_000
+    )
+    |> Stream.run()
+  end
+
+  defp do_generate_activity(users, opts) do
+    status =
+      if opts[:mention],
+        do: "some status with @#{opts[:mention].nickname}",
+        else: "some status"
+
+    Pleroma.Web.CommonAPI.post(Enum.random(users), %{"status" => status})
+  end
+end
diff --git a/lib/load_testing/helper.ex b/lib/load_testing/helper.ex
new file mode 100644
index 000000000..338dba323
--- /dev/null
+++ b/lib/load_testing/helper.ex
@@ -0,0 +1,16 @@
+defmodule Pleroma.LoadTesting.Helper do
+  defmacro __using__(_) do
+    quote do
+      import Ecto.Query
+      alias Pleroma.Activity
+      alias Pleroma.Notification
+      alias Pleroma.Object
+      alias Pleroma.Repo
+      alias Pleroma.User
+      alias Pleroma.Web.ActivityPub
+      alias Pleroma.Web.CommonAPI
+
+      defp to_sec(microseconds), do: microseconds / 1_000_000
+    end
+  end
+end
diff --git a/lib/mix/tasks/pleroma/load_testing.ex b/lib/mix/tasks/pleroma/load_testing.ex
new file mode 100644
index 000000000..9ed30db7e
--- /dev/null
+++ b/lib/mix/tasks/pleroma/load_testing.ex
@@ -0,0 +1,100 @@
+defmodule Mix.Tasks.Pleroma.LoadTesting do
+  use Mix.Task
+  use Pleroma.LoadTesting.Helper
+  import Mix.Pleroma
+  import Pleroma.LoadTesting.Generator
+  import Pleroma.LoadTesting.Fetcher
+
+  # tODO: remove autovacuum worker until generation is not ended
+  @shortdoc "Factory for generation data"
+  @moduledoc """
+  Generates data like:
+  - users
+  - activities with notifications
+
+  ## Generate data
+      MIX_ENV=test mix pleroma.load_testing --users 10000 --activities 20000
+      MIX_ENV=test mix pleroma.load_testing -u 10000 -a 20000
+
+  Options:
+  - `--users NUMBER` - number of users to generate (default: 10000)
+  - `--activities NUMBER` - number of activities to generate (default: 20000)
+  """
+
+  @aliases [u: :users, a: :activities, d: :delete]
+  @switches [users: :integer, activities: :integer, delete: :boolean]
+  @users_default 20_000
+  @activities_default 50_000
+
+  def run(args) do
+    {opts, _} = OptionParser.parse!(args, strict: @switches, aliases: @aliases)
+    start_pleroma()
+
+    current_max = Keyword.get(opts, :users, @users_default)
+    activities_max = Keyword.get(opts, :activities, @activities_default)
+
+    {users_min, users_max} =
+      if opts[:delete] do
+        clean_tables()
+        {1, current_max}
+      else
+        current_count = Repo.aggregate(from(u in User), :count, :id) + 1
+        {current_count, current_max + current_count}
+      end
+
+    opts =
+      Keyword.put(opts, :users_min, users_min)
+      |> Keyword.put(:users_max, users_max)
+      |> Keyword.put(:activities_max, activities_max)
+
+    generate_users(opts)
+
+    # main user for queries
+    IO.puts("Fetching main user...")
+
+    {time, user} =
+      :timer.tc(fn -> Repo.one(from(u in User, order_by: fragment("RANDOM()"), limit: 1)) end)
+
+    IO.puts("Fetching main user take #{to_sec(time)} sec.\n")
+
+    IO.puts("Fetching users...")
+
+    {time, users} =
+      :timer.tc(fn ->
+        Repo.all(
+          from(u in User,
+            where: u.id != ^user.id,
+            order_by: fragment("RANDOM()"),
+            limit: 10
+          )
+        )
+      end)
+
+    IO.puts("Fetching users take #{to_sec(time)} sec.\n")
+
+    generate_activities(users, opts)
+
+    generate_activities(users, Keyword.put(opts, :mention, user))
+
+    # generate_replies(user, users, activities)
+
+    # activity = Enum.random(activities)
+    # generate_long_thread(user, users, activity)
+
+    IO.puts("Users in DB: #{Repo.aggregate(from(u in User), :count, :id)}")
+    IO.puts("Activities in DB: #{Repo.aggregate(from(a in Activity), :count, :id)}")
+    IO.puts("Objects in DB: #{Repo.aggregate(from(o in Object), :count, :id)}")
+    IO.puts("Notifications in DB: #{Repo.aggregate(from(n in Notification), :count, :id)}")
+
+    query_timelines(user)
+    query_notifications(user)
+    # query_long_thread(user, activity)
+  end
+
+  defp clean_tables do
+    IO.puts("\n\nDeleting old data...\n")
+    Ecto.Adapters.SQL.query!(Repo, "TRUNCATE users CASCADE;")
+    Ecto.Adapters.SQL.query!(Repo, "TRUNCATE activities CASCADE;")
+    Ecto.Adapters.SQL.query!(Repo, "TRUNCATE objects CASCADE;")
+  end
+end