Merge branch 'documentation-migration' of akkoma.dev:AkkomaGang/akkoma into documenta...

[akkoma] / lib / pleroma / telemetry / logger.ex

diff --git a/lib/pleroma/telemetry/logger.ex b/lib/pleroma/telemetry/logger.ex
index 4cacae02f9bd010cea475f03dd50b6b2fc4d5ecc..50f7fcf2a7af3a7c0c6cefe6831bbdacb70e6cfd 100644 (file)
--- a/lib/pleroma/telemetry/logger.ex
+++ b/lib/pleroma/telemetry/logger.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Telemetry.Logger do
   @moduledoc "Transforms Pleroma telemetry events to logs"
 
@@ -7,10 +11,16 @@ defmodule Pleroma.Telemetry.Logger do
     [:pleroma, :connection_pool, :reclaim, :start],
     [:pleroma, :connection_pool, :reclaim, :stop],
     [:pleroma, :connection_pool, :provision_failure],
-    [:pleroma, :connection_pool, :client_death]
+    [:pleroma, :connection_pool, :client, :dead],
+    [:pleroma, :connection_pool, :client, :add]
   ]
   def attach do
-    :telemetry.attach_many("pleroma-logger", @events, &handle_event/4, [])
+    :telemetry.attach_many(
+      "pleroma-logger",
+      @events,
+      &Pleroma.Telemetry.Logger.handle_event/4,
+      []
+    )
   end
 
   # Passing anonymous functions instead of strings to logger is intentional,
@@ -24,9 +34,7 @@ defmodule Pleroma.Telemetry.Logger do
         _
       ) do
     Logger.debug(fn ->
-      "Connection pool is exhausted (reached #{max_connections} connections). Starting idle connection cleanup to reclaim as much as #{
-        reclaim_max
-      } connections"
+      "Connection pool is exhausted (reached #{max_connections} connections). Starting idle connection cleanup to reclaim as much as #{reclaim_max} connections"
     end)
   end
 
@@ -62,15 +70,26 @@ defmodule Pleroma.Telemetry.Logger do
   end
 
   def handle_event(
-        [:pleroma, :connection_pool, :client_death],
+        [:pleroma, :connection_pool, :client, :dead],
         %{client_pid: client_pid, reason: reason},
         %{key: key},
         _
       ) do
     Logger.warn(fn ->
-      "Pool worker for #{key}: Client #{inspect(client_pid)} died before releasing the connection with #{
-        inspect(reason)
-      }"
+      "Pool worker for #{key}: Client #{inspect(client_pid)} died before releasing the connection with #{inspect(reason)}"
+    end)
+  end
+
+  def handle_event(
+        [:pleroma, :connection_pool, :client, :add],
+        %{clients: [_, _ | _] = clients},
+        %{key: key, protocol: :http},
+        _
+      ) do
+    Logger.info(fn ->
+      "Pool worker for #{key}: #{length(clients)} clients are using an HTTP1 connection at the same time, head-of-line blocking might occur."
     end)
   end
+
+  def handle_event([:pleroma, :connection_pool, :client, :add], _, _, _), do: :ok
 end