diff --git a/telegram/ext/updater.py b/telegram/ext/updater.py
index 27d204b61d6..15111b52eb0 100644
--- a/telegram/ext/updater.py
+++ b/telegram/ext/updater.py
@@ -95,8 +95,16 @@ def __init__(self,
if (token is not None) and (bot is not None):
raise ValueError('`token` and `bot` are mutually exclusive')
+ self.logger = logging.getLogger(__name__)
+
+ con_pool_size = workers + 4
+
if bot is not None:
self.bot = bot
+ if bot.request.con_pool_size < con_pool_size:
+ self.logger.warning(
+ 'Connection pool of Request object is smaller than optimal value (%s)',
+ con_pool_size)
else:
# we need a connection pool the size of:
# * for each of the workers
@@ -107,7 +115,7 @@ def __init__(self,
if request_kwargs is None:
request_kwargs = {}
if 'con_pool_size' not in request_kwargs:
- request_kwargs['con_pool_size'] = workers + 4
+ request_kwargs['con_pool_size'] = con_pool_size
self._request = Request(**request_kwargs)
self.bot = Bot(token, base_url, request=self._request)
self.user_sig_handler = user_sig_handler
@@ -121,7 +129,6 @@ def __init__(self,
workers=workers,
exception_event=self.__exception_event)
self.last_update_id = 0
- self.logger = logging.getLogger(__name__)
self.running = False
self.is_idle = False
self.httpd = None
diff --git a/telegram/utils/request.py b/telegram/utils/request.py
index 574dd2c2fc1..2aea47741c4 100644
--- a/telegram/utils/request.py
+++ b/telegram/utils/request.py
@@ -86,6 +86,8 @@ def __init__(self,
sockopts.append((socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, 30))
sockopts.append((socket.IPPROTO_TCP, socket.TCP_KEEPCNT, 8))
+ self._con_pool_size = con_pool_size
+
kwargs = dict(
maxsize=con_pool_size,
cert_reqs='CERT_REQUIRED',
@@ -126,6 +128,11 @@ def __init__(self,
self._con_pool = mgr
+ @property
+ def con_pool_size(self):
+ """The size of the connection pool used."""
+ return self._con_pool_size
+
def stop(self):
self._con_pool.clear()
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