Merge branch 'log-slow-queries' into 'develop'
Log slow Ecto queries See merge request pleroma/pleroma!3553
This commit is contained in:
commit
6e27fc9c12
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@ -149,6 +149,8 @@
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]
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]
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# Configures Elixir's Logger
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# Configures Elixir's Logger
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config :logger, truncate: 65536
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config :logger, :console,
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config :logger, :console,
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level: :debug,
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level: :debug,
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format: "\n$time $metadata[$level] $message\n",
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format: "\n$time $metadata[$level] $message\n",
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@ -853,6 +855,13 @@
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{Pleroma.Web.ActivityPub.MRF.MediaProxyWarmingPolicy, [max_running: 5, max_waiting: 5]}
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{Pleroma.Web.ActivityPub.MRF.MediaProxyWarmingPolicy, [max_running: 5, max_waiting: 5]}
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]
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]
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config :pleroma, :telemetry,
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slow_queries_logging: [
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enabled: false,
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min_duration: 500_000,
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exclude_sources: [nil, "oban_jobs"]
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]
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# Import environment specific config. This must remain at the bottom
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# Import environment specific config. This must remain at the bottom
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# of this file so it overrides the configuration defined above.
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# of this file so it overrides the configuration defined above.
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import_config "#{Mix.env()}.exs"
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import_config "#{Mix.env()}.exs"
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@ -12,10 +12,16 @@ defmodule Pleroma.Telemetry.Logger do
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[:pleroma, :connection_pool, :reclaim, :stop],
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[:pleroma, :connection_pool, :reclaim, :stop],
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[:pleroma, :connection_pool, :provision_failure],
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[:pleroma, :connection_pool, :provision_failure],
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[:pleroma, :connection_pool, :client, :dead],
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[:pleroma, :connection_pool, :client, :dead],
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[:pleroma, :connection_pool, :client, :add]
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[:pleroma, :connection_pool, :client, :add],
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[:pleroma, :repo, :query]
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]
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]
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def attach do
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def attach do
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:telemetry.attach_many("pleroma-logger", @events, &handle_event/4, [])
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:telemetry.attach_many(
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"pleroma-logger",
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@events,
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&Pleroma.Telemetry.Logger.handle_event/4,
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[]
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)
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end
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end
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# Passing anonymous functions instead of strings to logger is intentional,
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# Passing anonymous functions instead of strings to logger is intentional,
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@ -87,4 +93,64 @@ def handle_event(
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end
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end
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def handle_event([:pleroma, :connection_pool, :client, :add], _, _, _), do: :ok
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def handle_event([:pleroma, :connection_pool, :client, :add], _, _, _), do: :ok
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def handle_event(
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[:pleroma, :repo, :query] = _name,
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%{query_time: query_time} = measurements,
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%{source: source} = metadata,
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config
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) do
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logging_config = Pleroma.Config.get([:telemetry, :slow_queries_logging], [])
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if logging_config[:enabled] &&
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logging_config[:min_duration] &&
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query_time > logging_config[:min_duration] and
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(is_nil(logging_config[:exclude_sources]) or
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source not in logging_config[:exclude_sources]) do
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log_slow_query(measurements, metadata, config)
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else
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:ok
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end
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end
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defp log_slow_query(
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%{query_time: query_time} = _measurements,
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%{source: _source, query: query, params: query_params, repo: repo} = _metadata,
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_config
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) do
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sql_explain =
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with {:ok, %{rows: explain_result_rows}} <-
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repo.query("EXPLAIN " <> query, query_params, log: false) do
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Enum.map_join(explain_result_rows, "\n", & &1)
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end
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{:current_stacktrace, stacktrace} = Process.info(self(), :current_stacktrace)
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pleroma_stacktrace =
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Enum.filter(stacktrace, fn
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{__MODULE__, _, _, _} ->
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false
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{mod, _, _, _} ->
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mod
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|> to_string()
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|> String.starts_with?("Elixir.Pleroma.")
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end)
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Logger.warn(fn ->
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"""
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Slow query!
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Total time: #{round(query_time / 1_000)} ms
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#{query}
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#{inspect(query_params, limit: :infinity)}
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#{sql_explain}
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#{Exception.format_stacktrace(pleroma_stacktrace)}
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"""
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end)
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end
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end
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end
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