diff options
| -rw-r--r-- | config/config.exs | 9 | ||||
| -rw-r--r-- | lib/pleroma/telemetry/logger.ex | 70 |
2 files changed, 77 insertions, 2 deletions
diff --git a/config/config.exs b/config/config.exs index ec242cadc..2bde5b826 100644 --- a/config/config.exs +++ b/config/config.exs @@ -149,6 +149,8 @@ config :pleroma, Pleroma.Web.Endpoint, ] # Configures Elixir's Logger +config :logger, truncate: 65536 + config :logger, :console, level: :debug, format: "\n$time $metadata[$level] $message\n", @@ -854,6 +856,13 @@ config :pleroma, ConcurrentLimiter, [ {Pleroma.Web.ActivityPub.MRF.MediaProxyWarmingPolicy, [max_running: 5, max_waiting: 5]} ] +config :pleroma, :telemetry, + slow_queries_logging: [ + enabled: false, + min_duration: 500_000, + exclude_sources: [nil, "oban_jobs"] + ] + # Import environment specific config. This must remain at the bottom # of this file so it overrides the configuration defined above. import_config "#{Mix.env()}.exs" diff --git a/lib/pleroma/telemetry/logger.ex b/lib/pleroma/telemetry/logger.ex index 10165c1b2..35e245237 100644 --- a/lib/pleroma/telemetry/logger.ex +++ b/lib/pleroma/telemetry/logger.ex @@ -12,10 +12,16 @@ defmodule Pleroma.Telemetry.Logger do [:pleroma, :connection_pool, :reclaim, :stop], [:pleroma, :connection_pool, :provision_failure], [:pleroma, :connection_pool, :client, :dead], - [:pleroma, :connection_pool, :client, :add] + [:pleroma, :connection_pool, :client, :add], + [:pleroma, :repo, :query] ] 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, @@ -87,4 +93,64 @@ defmodule Pleroma.Telemetry.Logger do end def handle_event([:pleroma, :connection_pool, :client, :add], _, _, _), do: :ok + + def handle_event( + [:pleroma, :repo, :query] = _name, + %{query_time: query_time} = measurements, + %{source: source} = metadata, + config + ) do + logging_config = Pleroma.Config.get([:telemetry, :slow_queries_logging], []) + + if logging_config[:enabled] && + logging_config[:min_duration] && + query_time > logging_config[:min_duration] and + (is_nil(logging_config[:exclude_sources]) or + source not in logging_config[:exclude_sources]) do + log_slow_query(measurements, metadata, config) + else + :ok + end + end + + defp log_slow_query( + %{query_time: query_time} = _measurements, + %{source: _source, query: query, params: query_params, repo: repo} = _metadata, + _config + ) do + sql_explain = + with {:ok, %{rows: explain_result_rows}} <- + repo.query("EXPLAIN " <> query, query_params, log: false) do + Enum.map_join(explain_result_rows, "\n", & &1) + end + + {:current_stacktrace, stacktrace} = Process.info(self(), :current_stacktrace) + + pleroma_stacktrace = + Enum.filter(stacktrace, fn + {__MODULE__, _, _, _} -> + false + + {mod, _, _, _} -> + mod + |> to_string() + |> String.starts_with?("Elixir.Pleroma.") + end) + + Logger.warn(fn -> + """ + Slow query! + + Total time: #{round(query_time / 1_000)} ms + + #{query} + + #{inspect(query_params, limit: :infinity)} + + #{sql_explain} + + #{Exception.format_stacktrace(pleroma_stacktrace)} + """ + end) + end end |