diff --git a/.ci/docker-compose-file/.env b/.ci/docker-compose-file/.env
index 956750e00..9675937d8 100644
--- a/.ci/docker-compose-file/.env
+++ b/.ci/docker-compose-file/.env
@@ -7,5 +7,6 @@ INFLUXDB_TAG=2.5.0
 TDENGINE_TAG=3.0.2.4
 DYNAMO_TAG=1.21.0
 CASSANDRA_TAG=3.11.6
+MINIO_TAG=RELEASE.2023-03-20T20-16-18Z
 
 TARGET=emqx/emqx
diff --git a/.ci/docker-compose-file/docker-compose-minio-tcp.yaml b/.ci/docker-compose-file/docker-compose-minio-tcp.yaml
index 93e1c4ead..fa78e4426 100644
--- a/.ci/docker-compose-file/docker-compose-minio-tcp.yaml
+++ b/.ci/docker-compose-file/docker-compose-minio-tcp.yaml
@@ -3,7 +3,7 @@ version: '3.7'
 services:
   minio:
     hostname: minio
-    image: quay.io/minio/minio:RELEASE.2023-03-20T20-16-18Z
+    image: quay.io/minio/minio:${MINIO_TAG}
     command: server --address ":9000" --console-address ":9001" /minio-data
     expose:
       - "9000"
diff --git a/.ci/docker-compose-file/docker-compose-minio-tls.yaml b/.ci/docker-compose-file/docker-compose-minio-tls.yaml
index 2e7a6bea5..4999cccb5 100644
--- a/.ci/docker-compose-file/docker-compose-minio-tls.yaml
+++ b/.ci/docker-compose-file/docker-compose-minio-tls.yaml
@@ -3,7 +3,7 @@ version: '3.7'
 services:
   minio_tls:
     hostname: minio-tls
-    image: quay.io/minio/minio:RELEASE.2023-03-20T20-16-18Z
+    image: quay.io/minio/minio:${MINIO_TAG}
     command: server --certs-dir /etc/certs --address ":9100" --console-address ":9101" /minio-data
     volumes:
       - ./certs/server.crt:/etc/certs/public.crt
diff --git a/.github/workflows/run_test_cases.yaml b/.github/workflows/run_test_cases.yaml
index 8702cd849..3360bec6c 100644
--- a/.github/workflows/run_test_cases.yaml
+++ b/.github/workflows/run_test_cases.yaml
@@ -168,6 +168,7 @@ jobs:
           REDIS_TAG: "7.0"
           INFLUXDB_TAG: "2.5.0"
           TDENGINE_TAG: "3.0.2.4"
+          MINIO_TAG: "RELEASE.2023-03-20T20-16-18Z"
           PROFILE: ${{ matrix.profile }}
           CT_COVER_EXPORT_PREFIX: ${{ matrix.profile }}-${{ matrix.otp }}
         run: ./scripts/ct/run.sh --ci --app ${{ matrix.app }}
diff --git a/apps/emqx_ft/src/emqx_ft_conf.erl b/apps/emqx_ft/src/emqx_ft_conf.erl
index 6ce10408e..0e8bcc193 100644
--- a/apps/emqx_ft/src/emqx_ft_conf.erl
+++ b/apps/emqx_ft/src/emqx_ft_conf.erl
@@ -20,6 +20,8 @@
 
 -behaviour(emqx_config_handler).
 
+-include_lib("emqx/include/logger.hrl").
+
 %% Accessors
 -export([storage/0]).
 -export([gc_interval/1]).
diff --git a/apps/emqx_ft/src/emqx_ft_storage_exporter_s3.erl b/apps/emqx_ft/src/emqx_ft_storage_exporter_s3.erl
index 3258a5cd1..24c3c52e5 100644
--- a/apps/emqx_ft/src/emqx_ft_storage_exporter_s3.erl
+++ b/apps/emqx_ft/src/emqx_ft_storage_exporter_s3.erl
@@ -49,7 +49,7 @@
     transfer := transfer()
 }.
 
--define(S3_PROFILE_ID, <<"emqx_ft_storage_exporter_s3">>).
+-define(S3_PROFILE_ID, ?MODULE).
 -define(FILEMETA_VSN, <<"1">>).
 -define(S3_LIST_LIMIT, 500).
 
@@ -66,6 +66,7 @@ start_export(_Options, Transfer, Filemeta) ->
     },
     case emqx_s3:start_uploader(?S3_PROFILE_ID, Options) of
         {ok, Pid} ->
+            true = erlang:link(Pid),
             {ok, #{filemeta => Filemeta, pid => Pid}};
         {error, _Reason} = Error ->
             Error
@@ -151,7 +152,7 @@ list_key_info(Client, Options, Marker, Acc) ->
     ListOptions = [{max_keys, ?S3_LIST_LIMIT}] ++ Marker,
     case emqx_s3_client:list(Client, ListOptions) of
         {ok, Result} ->
-            ?SLOG(warning, #{msg => "list_key_info", result => Result}),
+            ?SLOG(debug, #{msg => "list_key_info", result => Result}),
             KeyInfos = proplists:get_value(contents, Result, []),
             case proplists:get_value(is_truncated, Result, false) of
                 true ->
diff --git a/apps/emqx_s3/src/emqx_s3.erl b/apps/emqx_s3/src/emqx_s3.erl
index 8798b608d..15f63fbd5 100644
--- a/apps/emqx_s3/src/emqx_s3.erl
+++ b/apps/emqx_s3/src/emqx_s3.erl
@@ -16,10 +16,11 @@
 
 -export_type([
     profile_id/0,
-    profile_config/0
+    profile_config/0,
+    acl/0
 ]).
 
--type profile_id() :: term().
+-type profile_id() :: atom() | binary().
 
 -type acl() ::
     private
@@ -30,9 +31,9 @@
     | bucket_owner_full_control.
 
 -type transport_options() :: #{
+    headers => map(),
     connect_timeout => pos_integer(),
     enable_pipelining => pos_integer(),
-    headers => map(),
     max_retries => pos_integer(),
     pool_size => pos_integer(),
     pool_type => atom(),
@@ -51,12 +52,14 @@
     transport_options => transport_options()
 }.
 
+-define(IS_PROFILE_ID(ProfileId), (is_atom(ProfileId) orelse is_binary(ProfileId))).
+
 %%--------------------------------------------------------------------
 %% API
 %%--------------------------------------------------------------------
 
 -spec start_profile(profile_id(), profile_config()) -> ok_or_error(term()).
-start_profile(ProfileId, ProfileConfig) ->
+start_profile(ProfileId, ProfileConfig) when ?IS_PROFILE_ID(ProfileId) ->
     case emqx_s3_sup:start_profile(ProfileId, ProfileConfig) of
         {ok, _} ->
             ok;
@@ -65,21 +68,21 @@ start_profile(ProfileId, ProfileConfig) ->
     end.
 
 -spec stop_profile(profile_id()) -> ok_or_error(term()).
-stop_profile(ProfileId) ->
+stop_profile(ProfileId) when ?IS_PROFILE_ID(ProfileId) ->
     emqx_s3_sup:stop_profile(ProfileId).
 
 -spec update_profile(profile_id(), profile_config()) -> ok_or_error(term()).
-update_profile(ProfileId, ProfileConfig) ->
+update_profile(ProfileId, ProfileConfig) when ?IS_PROFILE_ID(ProfileId) ->
     emqx_s3_profile_conf:update_config(ProfileId, ProfileConfig).
 
 -spec start_uploader(profile_id(), emqx_s3_uploader:opts()) ->
     supervisor:start_ret() | {error, profile_not_found}.
-start_uploader(ProfileId, Opts) ->
+start_uploader(ProfileId, Opts) when ?IS_PROFILE_ID(ProfileId) ->
     emqx_s3_profile_uploader_sup:start_uploader(ProfileId, Opts).
 
 -spec with_client(profile_id(), fun((emqx_s3_client:client()) -> Result)) ->
     {error, profile_not_found} | Result.
-with_client(ProfileId, Fun) when is_function(Fun, 1) ->
+with_client(ProfileId, Fun) when is_function(Fun, 1) andalso ?IS_PROFILE_ID(ProfileId) ->
     case emqx_s3_profile_conf:checkout_config(ProfileId) of
         {ok, ClientConfig, _UploadConfig} ->
             try
diff --git a/apps/emqx_s3/src/emqx_s3.hrl b/apps/emqx_s3/src/emqx_s3.hrl
new file mode 100644
index 000000000..9a2cf8d2f
--- /dev/null
+++ b/apps/emqx_s3/src/emqx_s3.hrl
@@ -0,0 +1,13 @@
+%%--------------------------------------------------------------------
+%% Copyright (c) 2022-2023 EMQ Technologies Co., Ltd. All Rights Reserved.
+%%--------------------------------------------------------------------
+
+-define(VIA_GPROC(Id), {via, gproc, {n, l, Id}}).
+
+-define(SAFE_CALL_VIA_GPROC(Id, Message, Timeout, NoProcError),
+    try gen_server:call(?VIA_GPROC(Id), Message, Timeout) of
+        Result -> Result
+    catch
+        exit:{noproc, _} -> {error, NoProcError}
+    end
+).
diff --git a/apps/emqx_s3/src/emqx_s3_client.erl b/apps/emqx_s3/src/emqx_s3_client.erl
index 8639e0a25..c84f32dc3 100644
--- a/apps/emqx_s3/src/emqx_s3_client.erl
+++ b/apps/emqx_s3/src/emqx_s3_client.erl
@@ -31,22 +31,14 @@
     headers/0
 ]).
 
--type s3_bucket_acl() ::
-    private
-    | public_read
-    | public_read_write
-    | authenticated_read
-    | bucket_owner_read
-    | bucket_owner_full_control.
-
--type headers() :: #{binary() | string() => binary() | string()}.
+-type headers() :: #{binary() | string() => iodata()}.
 
 -type key() :: string().
 -type part_number() :: non_neg_integer().
 -type upload_id() :: string().
 -type etag() :: string().
 
--type upload_options() :: list({acl, s3_bucket_acl()}).
+-type upload_options() :: list({acl, emqx_s3:acl()}).
 
 -opaque client() :: #{
     aws_config := aws_config(),
@@ -61,11 +53,11 @@
     port := part_number(),
     bucket := string(),
     headers := headers(),
-    acl := s3_bucket_acl(),
+    acl := emqx_s3:acl(),
     url_expire_time := pos_integer(),
     access_key_id := string() | undefined,
     secret_access_key := string() | undefined,
-    http_pool := ecpool:pool_name(),
+    http_pool := ehttpc:pool_name(),
     request_timeout := timeout()
 }.
 
@@ -97,7 +89,7 @@ put_object(
     Value
 ) ->
     AllHeaders = join_headers(Headers, SpecialHeaders),
-    try erlcloud_s3:put_object(Bucket, key(Key), Value, Options, AllHeaders, AwsConfig) of
+    try erlcloud_s3:put_object(Bucket, erlcloud_key(Key), Value, Options, AllHeaders, AwsConfig) of
         Props when is_list(Props) ->
             ok
     catch
@@ -117,9 +109,9 @@ start_multipart(
     Key
 ) ->
     AllHeaders = join_headers(Headers, SpecialHeaders),
-    case erlcloud_s3:start_multipart(Bucket, key(Key), Options, AllHeaders, AwsConfig) of
+    case erlcloud_s3:start_multipart(Bucket, erlcloud_key(Key), Options, AllHeaders, AwsConfig) of
         {ok, Props} ->
-            {ok, proplists:get_value('uploadId', Props)};
+            {ok, response_property('uploadId', Props)};
         {error, Reason} ->
             ?SLOG(debug, #{msg => "start_multipart_fail", key => Key, reason => Reason}),
             {error, Reason}
@@ -135,10 +127,12 @@ upload_part(
     Value
 ) ->
     case
-        erlcloud_s3:upload_part(Bucket, key(Key), UploadId, PartNumber, Value, Headers, AwsConfig)
+        erlcloud_s3:upload_part(
+            Bucket, erlcloud_key(Key), UploadId, PartNumber, Value, Headers, AwsConfig
+        )
     of
         {ok, Props} ->
-            {ok, proplists:get_value(etag, Props)};
+            {ok, response_property(etag, Props)};
         {error, Reason} ->
             ?SLOG(debug, #{msg => "upload_part_fail", key => Key, reason => Reason}),
             {error, Reason}
@@ -151,7 +145,11 @@ complete_multipart(
     UploadId,
     ETags
 ) ->
-    case erlcloud_s3:complete_multipart(Bucket, key(Key), UploadId, ETags, Headers, AwsConfig) of
+    case
+        erlcloud_s3:complete_multipart(
+            Bucket, erlcloud_key(Key), UploadId, ETags, Headers, AwsConfig
+        )
+    of
         ok ->
             ok;
         {error, Reason} ->
@@ -161,7 +159,7 @@ complete_multipart(
 
 -spec abort_multipart(client(), key(), upload_id()) -> ok_or_error(term()).
 abort_multipart(#{bucket := Bucket, headers := Headers, aws_config := AwsConfig}, Key, UploadId) ->
-    case erlcloud_s3:abort_multipart(Bucket, key(Key), UploadId, [], Headers, AwsConfig) of
+    case erlcloud_s3:abort_multipart(Bucket, erlcloud_key(Key), UploadId, [], Headers, AwsConfig) of
         ok ->
             ok;
         {error, Reason} ->
@@ -181,7 +179,7 @@ list(#{bucket := Bucket, aws_config := AwsConfig}, Options) ->
 
 -spec uri(client(), key()) -> iodata().
 uri(#{bucket := Bucket, aws_config := AwsConfig, url_expire_time := ExpireTime}, Key) ->
-    erlcloud_s3:make_get_url(ExpireTime, Bucket, key(Key), AwsConfig).
+    erlcloud_s3:make_get_url(ExpireTime, Bucket, erlcloud_key(Key), AwsConfig).
 
 -spec format(client()) -> term().
 format(#{aws_config := AwsConfig} = Client) ->
@@ -197,7 +195,7 @@ upload_options(Config) ->
     ].
 
 headers(#{headers := Headers}) ->
-    string_headers(maps:to_list(Headers));
+    headers_user_to_erlcloud_request(Headers);
 headers(#{}) ->
     [].
 
@@ -230,7 +228,9 @@ aws_config(#{
 request_fun(HttpPool) ->
     fun(Url, Method, Headers, Body, Timeout, _Config) ->
         with_path_and_query_only(Url, fun(PathQuery) ->
-            Request = make_request(Method, PathQuery, binary_headers(Headers), Body),
+            Request = make_request(
+                Method, PathQuery, headers_erlcloud_request_to_ehttpc(Headers), Body
+            ),
             ?SLOG(debug, #{
                 msg => "s3_ehttpc_request",
                 timeout => Timeout,
@@ -243,6 +243,13 @@ request_fun(HttpPool) ->
     end.
 
 ehttpc_request(HttpPool, Method, Request, Timeout) ->
+    ?SLOG(debug, #{
+        msg => "s3_ehttpc_request",
+        timeout => Timeout,
+        pool => HttpPool,
+        method => Method,
+        request => format_request(Request)
+    }),
     try ehttpc:request(HttpPool, Method, Request, Timeout) of
         {ok, StatusCode, RespHeaders} ->
             ?SLOG(debug, #{
@@ -250,7 +257,9 @@ ehttpc_request(HttpPool, Method, Request, Timeout) ->
                 status_code => StatusCode,
                 headers => RespHeaders
             }),
-            {ok, {{StatusCode, undefined}, erlcloud_string_headers(RespHeaders), undefined}};
+            {ok, {
+                {StatusCode, undefined}, headers_ehttpc_to_erlcloud_response(RespHeaders), undefined
+            }};
         {ok, StatusCode, RespHeaders, RespBody} ->
             ?SLOG(debug, #{
                 msg => "s3_ehttpc_request_ok",
@@ -258,7 +267,9 @@ ehttpc_request(HttpPool, Method, Request, Timeout) ->
                 headers => RespHeaders,
                 body => RespBody
             }),
-            {ok, {{StatusCode, undefined}, erlcloud_string_headers(RespHeaders), RespBody}};
+            {ok, {
+                {StatusCode, undefined}, headers_ehttpc_to_erlcloud_response(RespHeaders), RespBody
+            }};
         {error, Reason} ->
             ?SLOG(error, #{
                 msg => "s3_ehttpc_request_fail",
@@ -290,10 +301,10 @@ ehttpc_request(HttpPool, Method, Request, Timeout) ->
     end.
 
 -define(IS_BODY_EMPTY(Body), (Body =:= undefined orelse Body =:= <<>>)).
--define(NEEDS_BODY(Method), (Method =:= get orelse Method =:= head orelse Method =:= delete)).
+-define(NEEDS_NO_BODY(Method), (Method =:= get orelse Method =:= head orelse Method =:= delete)).
 
 make_request(Method, PathQuery, Headers, Body) when
-    ?IS_BODY_EMPTY(Body) andalso ?NEEDS_BODY(Method)
+    ?IS_BODY_EMPTY(Body) andalso ?NEEDS_NO_BODY(Method)
 ->
     {PathQuery, Headers};
 make_request(_Method, PathQuery, Headers, Body) when ?IS_BODY_EMPTY(Body) ->
@@ -301,7 +312,8 @@ make_request(_Method, PathQuery, Headers, Body) when ?IS_BODY_EMPTY(Body) ->
 make_request(_Method, PathQuery, Headers, Body) ->
     {PathQuery, Headers, Body}.
 
-format_request({PathQuery, Headers, _Body}) -> {PathQuery, Headers, <<"...">>}.
+format_request({PathQuery, Headers, _Body}) -> {PathQuery, Headers, <<"...">>};
+format_request({PathQuery, Headers}) -> {PathQuery, Headers}.
 
 with_path_and_query_only(Url, Fun) ->
     case string:split(Url, "//", leading) of
@@ -316,17 +328,41 @@ with_path_and_query_only(Url, Fun) ->
             {error, {invalid_url, Url}}
     end.
 
-string_headers(Headers) ->
-    [{to_list_string(K), to_list_string(V)} || {K, V} <- Headers].
+%% We need some header conversions to tie the emqx_s3, erlcloud and ehttpc APIs together.
 
-erlcloud_string_headers(Headers) ->
-    [{string:to_lower(K), V} || {K, V} <- string_headers(Headers)].
+%% The request header flow is:
 
-binary_headers(Headers) ->
-    [{to_binary(K), V} || {K, V} <- Headers].
+%% UserHeaders -> [emqx_s3_client API] -> ErlcloudRequestHeaders0 ->
+%% -> [erlcloud API] -> ErlcloudRequestHeaders1 -> [emqx_s3_client injected request_fun] ->
+%% -> EhttpcRequestHeaders -> [ehttpc API]
 
-join_headers(Headers, SpecialHeaders) ->
-    Headers ++ string_headers(maps:to_list(SpecialHeaders)).
+%% The response header flow is:
+
+%% [ehttpc API] -> EhttpcResponseHeaders -> [emqx_s3_client injected request_fun] ->
+%% -> ErlcloudResponseHeaders0 -> [erlcloud API] -> [emqx_s3_client API]
+
+%% UserHeders (emqx_s3 API headers) are maps with string/binary keys.
+%% ErlcloudRequestHeaders are lists of tuples with string keys and iodata values
+%% ErlcloudResponseHeders are lists of tuples with lower case string keys and iodata values.
+%% EhttpcHeaders are lists of tuples with binary keys and iodata values.
+
+%% Users provide headers as a map, but erlcloud expects a list of tuples with string keys and values.
+headers_user_to_erlcloud_request(UserHeaders) ->
+    [{to_list_string(K), V} || {K, V} <- maps:to_list(UserHeaders)].
+
+%% Ehttpc returns operates on headers as a list of tuples with binary keys.
+%% Erlcloud expects a list of tuples with string values and lowcase string keys
+%% from the underlying http library.
+headers_ehttpc_to_erlcloud_response(EhttpcHeaders) ->
+    [{string:to_lower(to_list_string(K)), to_list_string(V)} || {K, V} <- EhttpcHeaders].
+
+%% Ehttpc expects a list of tuples with binary keys.
+%% Erlcloud provides a list of tuples with string keys.
+headers_erlcloud_request_to_ehttpc(ErlcloudHeaders) ->
+    [{to_binary(K), V} || {K, V} <- ErlcloudHeaders].
+
+join_headers(ErlcloudHeaders, UserSpecialHeaders) ->
+    ErlcloudHeaders ++ headers_user_to_erlcloud_request(UserSpecialHeaders).
 
 to_binary(Val) when is_list(Val) -> list_to_binary(Val);
 to_binary(Val) when is_binary(Val) -> Val.
@@ -336,5 +372,19 @@ to_list_string(Val) when is_binary(Val) ->
 to_list_string(Val) when is_list(Val) ->
     Val.
 
-key(Characters) ->
+erlcloud_key(Characters) ->
     binary_to_list(unicode:characters_to_binary(Characters)).
+
+response_property(Name, Props) ->
+    case proplists:get_value(Name, Props) of
+        undefined ->
+            %% This schould not happen for valid S3 implementations
+            ?SLOG(error, #{
+                msg => "missing_s3_response_property",
+                name => Name,
+                props => Props
+            }),
+            error({missing_s3_response_property, Name});
+        Value ->
+            Value
+    end.
diff --git a/apps/emqx_s3/src/emqx_s3_profile_conf.erl b/apps/emqx_s3/src/emqx_s3_profile_conf.erl
index 3c5eb8f36..3ab023d4d 100644
--- a/apps/emqx_s3/src/emqx_s3_profile_conf.erl
+++ b/apps/emqx_s3/src/emqx_s3_profile_conf.erl
@@ -11,6 +11,8 @@
 
 -include_lib("snabbkaffe/include/snabbkaffe.hrl").
 
+-include("src/emqx_s3.hrl").
+
 -export([
     start_link/2,
     child_spec/2
@@ -47,6 +49,10 @@
 -define(DEFAULT_HTTP_POOL_TIMEOUT, 60000).
 -define(DEAFULT_HTTP_POOL_CLEANUP_INTERVAL, 60000).
 
+-define(SAFE_CALL_VIA_GPROC(ProfileId, Message, Timeout),
+    ?SAFE_CALL_VIA_GPROC(id(ProfileId), Message, Timeout, profile_not_found)
+).
+
 -spec child_spec(emqx_s3:profile_id(), emqx_s3:profile_config()) -> supervisor:child_spec().
 child_spec(ProfileId, ProfileConfig) ->
     #{
@@ -60,7 +66,7 @@ child_spec(ProfileId, ProfileConfig) ->
 
 -spec start_link(emqx_s3:profile_id(), emqx_s3:profile_config()) -> gen_server:start_ret().
 start_link(ProfileId, ProfileConfig) ->
-    gen_server:start_link(?MODULE, [ProfileId, ProfileConfig], []).
+    gen_server:start_link(?VIA_GPROC(id(ProfileId)), ?MODULE, [ProfileId, ProfileConfig], []).
 
 -spec update_config(emqx_s3:profile_id(), emqx_s3:profile_config()) -> ok_or_error(term()).
 update_config(ProfileId, ProfileConfig) ->
@@ -69,12 +75,7 @@ update_config(ProfileId, ProfileConfig) ->
 -spec update_config(emqx_s3:profile_id(), emqx_s3:profile_config(), timeout()) ->
     ok_or_error(term()).
 update_config(ProfileId, ProfileConfig, Timeout) ->
-    case gproc:where({n, l, id(ProfileId)}) of
-        undefined ->
-            {error, profile_not_found};
-        Pid ->
-            gen_server:call(Pid, {update_config, ProfileConfig}, Timeout)
-    end.
+    ?SAFE_CALL_VIA_GPROC(ProfileId, {update_config, ProfileConfig}, Timeout).
 
 -spec checkout_config(emqx_s3:profile_id()) ->
     {ok, emqx_s3_client:config(), emqx_s3_uploader:config()} | {error, profile_not_found}.
@@ -84,12 +85,7 @@ checkout_config(ProfileId) ->
 -spec checkout_config(emqx_s3:profile_id(), timeout()) ->
     {ok, emqx_s3_client:config(), emqx_s3_uploader:config()} | {error, profile_not_found}.
 checkout_config(ProfileId, Timeout) ->
-    case gproc:where({n, l, id(ProfileId)}) of
-        undefined ->
-            {error, profile_not_found};
-        Pid ->
-            gen_server:call(Pid, {checkout_config, self()}, Timeout)
-    end.
+    ?SAFE_CALL_VIA_GPROC(ProfileId, {checkout_config, self()}, Timeout).
 
 -spec checkin_config(emqx_s3:profile_id()) -> ok | {error, profile_not_found}.
 checkin_config(ProfileId) ->
@@ -97,12 +93,7 @@ checkin_config(ProfileId) ->
 
 -spec checkin_config(emqx_s3:profile_id(), timeout()) -> ok | {error, profile_not_found}.
 checkin_config(ProfileId, Timeout) ->
-    case gproc:where({n, l, id(ProfileId)}) of
-        undefined ->
-            {error, profile_not_found};
-        Pid ->
-            gen_server:call(Pid, {checkin_config, self()}, Timeout)
-    end.
+    ?SAFE_CALL_VIA_GPROC(ProfileId, {checkin_config, self()}, Timeout).
 
 %%--------------------------------------------------------------------
 %% gen_server callbacks
@@ -110,10 +101,9 @@ checkin_config(ProfileId, Timeout) ->
 
 init([ProfileId, ProfileConfig]) ->
     _ = process_flag(trap_exit, true),
-    ok = cleanup_orphaned_pools(ProfileId),
+    ok = cleanup_profile_pools(ProfileId),
     case start_http_pool(ProfileId, ProfileConfig) of
         {ok, PoolName} ->
-            true = gproc:reg({n, l, id(ProfileId)}, ignored),
             HttpPoolCleanupInterval = http_pool_cleanup_interval(ProfileConfig),
             {ok, #{
                 profile_id => ProfileId,
@@ -188,12 +178,7 @@ handle_info(_Info, State) ->
     {noreply, State}.
 
 terminate(_Reason, #{profile_id := ProfileId}) ->
-    lists:foreach(
-        fun(PoolName) ->
-            ok = stop_http_pool(ProfileId, PoolName)
-        end,
-        emqx_s3_profile_http_pools:all(ProfileId)
-    ).
+    cleanup_profile_pools(ProfileId).
 
 code_change(_OldVsn, State, _Extra) ->
     {ok, State}.
@@ -263,12 +248,14 @@ update_http_pool(ProfileId, ProfileConfig, #{pool_name := OldPoolName} = State)
 pool_name(ProfileId) ->
     iolist_to_binary([
         <<"s3-http-">>,
-        ProfileId,
+        profile_id_to_bin(ProfileId),
         <<"-">>,
         integer_to_binary(erlang:system_time(millisecond)),
         <<"-">>,
         integer_to_binary(erlang:unique_integer([positive]))
     ]).
+profile_id_to_bin(Atom) when is_atom(Atom) -> atom_to_binary(Atom, utf8);
+profile_id_to_bin(Bin) when is_binary(Bin) -> Bin.
 
 old_http_config(#{profile_config := ProfileConfig}) -> http_config(ProfileConfig).
 
@@ -278,7 +265,7 @@ set_old_pool_outdated(#{
     _ = emqx_s3_profile_http_pools:set_outdated(ProfileId, PoolName, HttpPoolTimeout),
     ok.
 
-cleanup_orphaned_pools(ProfileId) ->
+cleanup_profile_pools(ProfileId) ->
     lists:foreach(
         fun(PoolName) ->
             ok = stop_http_pool(ProfileId, PoolName)
diff --git a/apps/emqx_s3/src/emqx_s3_profile_uploader_sup.erl b/apps/emqx_s3/src/emqx_s3_profile_uploader_sup.erl
index 1cd155a77..fb7b93a15 100644
--- a/apps/emqx_s3/src/emqx_s3_profile_uploader_sup.erl
+++ b/apps/emqx_s3/src/emqx_s3_profile_uploader_sup.erl
@@ -7,6 +7,9 @@
 -behaviour(supervisor).
 
 -include_lib("emqx/include/types.hrl").
+-include_lib("emqx/include/logger.hrl").
+
+-include("src/emqx_s3.hrl").
 
 -export([
     start_link/1,
@@ -23,7 +26,7 @@
 
 -spec start_link(emqx_s3:profile_id()) -> supervisor:start_ret().
 start_link(ProfileId) ->
-    supervisor:start_link(?MODULE, [ProfileId]).
+    supervisor:start_link(?VIA_GPROC(id(ProfileId)), ?MODULE, [ProfileId]).
 
 -spec child_spec(emqx_s3:profile_id()) -> supervisor:child_spec().
 child_spec(ProfileId) ->
@@ -43,10 +46,10 @@ id(ProfileId) ->
 -spec start_uploader(emqx_s3:profile_id(), emqx_s3_uploader:opts()) ->
     supervisor:start_ret() | {error, profile_not_found}.
 start_uploader(ProfileId, Opts) ->
-    Id = id(ProfileId),
-    case gproc:where({n, l, Id}) of
-        undefined -> {error, profile_not_found};
-        Pid -> supervisor:start_child(Pid, [Opts])
+    try supervisor:start_child(?VIA_GPROC(id(ProfileId)), [Opts]) of
+        Result -> Result
+    catch
+        exit:{noproc, _} -> {error, profile_not_found}
     end.
 
 %%--------------------------------------------------------------------
@@ -54,7 +57,6 @@ start_uploader(ProfileId, Opts) ->
 %%-------------------------------------------------------------------
 
 init([ProfileId]) ->
-    true = gproc:reg({n, l, id(ProfileId)}, ignored),
     SupFlags = #{
         strategy => simple_one_for_one,
         intensity => 10,
diff --git a/apps/emqx_s3/src/emqx_s3_uploader.erl b/apps/emqx_s3/src/emqx_s3_uploader.erl
index f6414669d..8327462c7 100644
--- a/apps/emqx_s3/src/emqx_s3_uploader.erl
+++ b/apps/emqx_s3/src/emqx_s3_uploader.erl
@@ -56,13 +56,15 @@
 %% 5GB
 -define(DEFAULT_MAX_PART_SIZE, 5368709120).
 
+-define(DEFAULT_TIMEOUT, 30000).
+
 -spec start_link(emqx_s3:profile_id(), opts()) -> gen_statem:start_ret().
 start_link(ProfileId, #{key := Key} = Opts) when is_list(Key) ->
     gen_statem:start_link(?MODULE, [ProfileId, Opts], []).
 
 -spec write(pid(), iodata()) -> ok_or_error(term()).
 write(Pid, WriteData) ->
-    write(Pid, WriteData, infinity).
+    write(Pid, WriteData, ?DEFAULT_TIMEOUT).
 
 -spec write(pid(), iodata(), timeout()) -> ok_or_error(term()).
 write(Pid, WriteData, Timeout) ->
@@ -70,7 +72,7 @@ write(Pid, WriteData, Timeout) ->
 
 -spec complete(pid()) -> ok_or_error(term()).
 complete(Pid) ->
-    complete(Pid, infinity).
+    complete(Pid, ?DEFAULT_TIMEOUT).
 
 -spec complete(pid(), timeout()) -> ok_or_error(term()).
 complete(Pid, Timeout) ->
@@ -78,7 +80,7 @@ complete(Pid, Timeout) ->
 
 -spec abort(pid()) -> ok_or_error(term()).
 abort(Pid) ->
-    abort(Pid, infinity).
+    abort(Pid, ?DEFAULT_TIMEOUT).
 
 -spec abort(pid(), timeout()) -> ok_or_error(term()).
 abort(Pid, Timeout) ->
@@ -237,7 +239,7 @@ upload_part(
         etags := ETags
     } = Data
 ) ->
-    case emqx_s3_client:upload_part(Client, Key, UploadId, PartNumber, lists:reverse(Buffer)) of
+    case emqx_s3_client:upload_part(Client, Key, UploadId, PartNumber, Buffer) of
         {ok, ETag} ->
             NewData = Data#{
                 buffer => [],
@@ -298,7 +300,7 @@ put_object(
         headers := Headers
     }
 ) ->
-    case emqx_s3_client:put_object(Client, Headers, Key, lists:reverse(Buffer)) of
+    case emqx_s3_client:put_object(Client, Headers, Key, Buffer) of
         ok ->
             ok;
         {error, _} = Error ->
@@ -308,7 +310,7 @@ put_object(
 -spec append_buffer(data(), iodata()) -> data().
 append_buffer(#{buffer := Buffer, buffer_size := BufferSize} = Data, WriteData) ->
     Data#{
-        buffer => [WriteData | Buffer],
+        buffer => [Buffer, WriteData],
         buffer_size => BufferSize + iolist_size(WriteData)
     }.