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3.11.11
4.2.1
4.2.0
retired
4.2.0-rc.1
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4.1.6
4.1.5
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4.1.5-rc.2
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3.13.0-rc.3
3.13.0-rc.2
3.13.0-rc.1
3.12.14
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3.12.12
3.12.11
3.12.10
3.12.9
3.12.8
3.12.7
3.12.6
3.12.5
3.12.4
3.12.3
3.12.2
3.12.1
3.12.0
3.12.0-rc.4
3.12.0-rc.3
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3.11.28
3.11.27
3.11.26
3.11.25
3.11.24
3.11.23
3.11.22
3.11.21
3.11.20
3.11.19
3.11.18
3.11.17
3.11.16
3.11.15
3.11.14
3.11.13
3.11.12
3.11.11
3.11.10
3.11.9
3.11.8
3.11.7
3.11.6
3.11.5
3.11.4
3.11.3
3.11.2
3.11.1
3.11.0
3.11.0-rc.2
3.11.0-rc.1
3.11.0-1
3.10.25
3.10.24
3.10.23
3.10.22
3.10.21
3.10.20
3.10.19
3.10.18
3.10.17
3.10.16
3.10.15
3.10.14
3.10.13
3.10.12
3.10.11
3.10.10
3.10.9
3.10.8
3.10.7
3.10.6
3.10.5
3.10.4
3.10.3
3.10.2
3.10.1
3.10.0
3.10.0-rc.6
3.10.0-rc.5
3.9.29
3.9.28
3.9.27
3.9.26
3.9.25
3.9.24
3.9.23
3.9.22
3.9.21
3.9.20
3.9.19
3.9.18
3.9.17
3.9.16
3.9.15
3.9.11
3.9.10
3.9.9
3.9.8
3.9.7
3.9.6
3.9.5
3.9.4
3.9.3
3.9.2
3.9.1
3.8.35
3.8.34
3.8.33
3.8.32
3.8.31
3.8.30
3.8.26
3.8.25
3.8.24
3.8.23
3.8.22
3.8.21
3.8.20
3.8.19
3.8.14
3.8.12-rc.3
3.8.12-rc.2
3.8.12-rc.1
3.8.11
3.8.10
3.8.10-rc.6
3.8.10-rc.5
3.8.10-rc.1
3.8.9
3.8.8
3.8.7
3.8.6
3.8.6-rc.2
3.8.6-rc.1
3.8.5
3.8.5-rc.2
3.8.5-rc.1
3.8.4
3.8.4-rc.3
3.8.4-rc.1
3.8.3
3.8.3-rc.2
3.8.3-rc.1
3.8.2
3.8.2-rc.1
3.8.1
3.8.1-rc.1
3.8.0
3.8.0-rc.3
3.8.0-rc.2
3.8.0-rc.1
3.7.28
3.7.27
3.7.27-rc.2
3.7.27-rc.1
3.7.26
3.7.25
3.7.25-rc.1
3.7.24
3.7.24-rc.2
3.7.24-rc.1
3.7.23
3.7.23-rc.1
3.7.22
3.7.22-rc.2
3.7.22-rc.1
3.7.21
3.7.20
3.7.20-rc.2
3.7.20-rc.1
3.7.19
3.7.18
3.7.18-rc.1
3.7.17
3.7.17-rc.3
3.7.17-rc.2
3.7.17-rc.1
retired
3.7.16
retired
3.7.16-rc.4
retired
3.7.16-rc.3
retired
3.7.16-rc.2
retired
3.7.16-rc.1
retired
3.7.16-beta.1
3.7.15
3.7.14
3.7.14-rc.2
3.7.14-rc.1
3.7.13
3.7.13-rc.2
3.7.13-rc.1
3.7.12
3.7.12-rc.2
3.7.12-rc.1
3.7.11
3.7.11-rc.2
3.7.11-rc.1
3.7.10-rc.4
3.7.10-rc.3
3.7.10-rc.2
3.7.10-rc.1
3.7.9
3.7.9-rc.3
3.7.9-rc.2
3.7.8
3.7.8-rc.4
3.7.8-rc.3
3.7.8-rc.2
3.7.8-rc.1
3.7.7
3.7.7-rc.2
3.7.7-rc.1
3.7.6
3.7.6-rc.2
3.7.6-rc.1
3.7.5
3.7.5-rc.1
3.7.4
3.7.4-rc.4
3.7.4-rc.3
3.7.4-rc.2
3.7.4-rc.1
3.7.3
3.7.3-rc.2
3.7.3-rc.1
3.7.2
3.7.1
3.7.0-rc.2
3.7.0-alpha.544
3.7.0-alpha.542
3.6.16
3.6.16-rc.1
3.6.15
3.6.15-rc.1
3.6.14
3.6.13
3.6.12
3.6.11
3.6.10
3.6.9
3.6.8
3.6.7
3.6.7-pre.1
3.5.6
3.5.0
3.4.0
3.3.5
3.0.2
0.0.0-rc.1
Modules shared by rabbitmq-server and rabbitmq-erlang-client
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This version has known vulnerabilities.
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Files
src/worker_pool_sup.erl
%% This Source Code Form is subject to the terms of the Mozilla Public
%% License, v. 2.0. If a copy of the MPL was not distributed with this
%% file, You can obtain one at https://mozilla.org/MPL/2.0/.
%%
%% Copyright (c) 2007-2023 VMware, Inc. or its affiliates. All rights reserved.
%%
-module(worker_pool_sup).
-behaviour(supervisor).
-export([start_link/0, start_link/1, start_link/2]).
-export([init/1]).
-export([default_pool_size/0]).
%%----------------------------------------------------------------------------
-spec start_link() -> rabbit_types:ok_pid_or_error().
-spec start_link(non_neg_integer()) -> rabbit_types:ok_pid_or_error().
-spec start_link(non_neg_integer(), atom())
-> rabbit_types:ok_pid_or_error().
%%----------------------------------------------------------------------------
start_link() ->
Size = default_pool_size(),
start_link(Size).
start_link(PoolSize) ->
rabbit_log:info("Will use ~p processes for default worker pool", [PoolSize]),
start_link(PoolSize, worker_pool:default_pool()).
start_link(PoolSize, PoolName) ->
rabbit_log:info("Starting worker pool '~p' with ~p processes in it", [PoolName, PoolSize]),
SupName = list_to_atom(atom_to_list(PoolName) ++ "_sup"),
supervisor:start_link({local, SupName}, ?MODULE, [PoolSize, PoolName]).
%%----------------------------------------------------------------------------
init([PoolSize, PoolName]) ->
%% we want to survive up to 1K of worker restarts per second,
%% e.g. when a large worker pool used for network connections
%% encounters a network failure. This is the case in the LDAP authentication
%% backend plugin.
{ok, {{one_for_one, 1000, 1},
[{worker_pool, {worker_pool, start_link, [PoolName]}, transient,
16#ffffffff, worker, [worker_pool]} |
[{N, {worker_pool_worker, start_link, [PoolName]}, transient,
16#ffffffff, worker, [worker_pool_worker]}
|| N <- lists:seq(1, PoolSize)]]}}.
%%
%% Implementation
%%
-spec default_pool_size() -> integer().
default_pool_size() ->
case rabbit_misc:get_env(rabbit, default_worker_pool_size, undefined) of
N when is_integer(N) -> N;
_ -> guess_default_pool_size()
end.
-spec guess_default_pool_size() -> integer().
guess_default_pool_size() ->
erlang:system_info(schedulers).