diff --git a/synapse/federation/transport/client.py b/synapse/federation/transport/client.py
index 3d59e1c650..0e0cb7ebc6 100644
--- a/synapse/federation/transport/client.py
+++ b/synapse/federation/transport/client.py
@@ -136,6 +136,7 @@ class TransportLayerClient(object):
path=PREFIX + "/send/%s/" % transaction.transaction_id,
data=json_data,
json_data_callback=json_data_callback,
+ long_retries=True,
)
logger.debug(
diff --git a/synapse/http/matrixfederationclient.py b/synapse/http/matrixfederationclient.py
index 5d80e0c4da..614c06a6d7 100644
--- a/synapse/http/matrixfederationclient.py
+++ b/synapse/http/matrixfederationclient.py
@@ -56,7 +56,8 @@ incoming_responses_counter = metrics.register_counter(
)
-MAX_RETRIES = 10
+MAX_LONG_RETRIES = 10
+MAX_SHORT_RETRIES = 3
class MatrixFederationEndpointFactory(object):
@@ -103,7 +104,7 @@ class MatrixFederationHttpClient(object):
def _create_request(self, destination, method, path_bytes,
body_callback, headers_dict={}, param_bytes=b"",
query_bytes=b"", retry_on_dns_fail=True,
- timeout=None):
+ timeout=None, long_retries=False):
""" Creates and sends a request to the given url
"""
headers_dict[b"User-Agent"] = [self.version_string]
@@ -123,7 +124,10 @@ class MatrixFederationHttpClient(object):
# XXX: Would be much nicer to retry only at the transaction-layer
# (once we have reliable transactions in place)
- retries_left = MAX_RETRIES
+ if long_retries:
+ retries_left = MAX_LONG_RETRIES
+ else:
+ retries_left = MAX_SHORT_RETRIES
http_url_bytes = urlparse.urlunparse(
("", "", path_bytes, param_bytes, query_bytes, "")
@@ -184,9 +188,15 @@ class MatrixFederationHttpClient(object):
)
if retries_left and not timeout:
- delay = 4 ** (MAX_RETRIES + 1 - retries_left)
- delay = max(delay, 60)
- delay *= random.uniform(0.8, 1.4)
+ if long_retries:
+ delay = 4 ** (MAX_LONG_RETRIES + 1 - retries_left)
+ delay = max(delay, 60)
+ delay *= random.uniform(0.8, 1.4)
+ else:
+ delay = 0.5 * 2 ** (MAX_SHORT_RETRIES - retries_left)
+ delay = max(delay, 2)
+ delay *= random.uniform(0.8, 1.4)
+
yield sleep(delay)
retries_left -= 1
else:
@@ -237,7 +247,8 @@ class MatrixFederationHttpClient(object):
headers_dict[b"Authorization"] = auth_headers
@defer.inlineCallbacks
- def put_json(self, destination, path, data={}, json_data_callback=None):
+ def put_json(self, destination, path, data={}, json_data_callback=None,
+ long_retries=False):
""" Sends the specifed json data using PUT
Args:
@@ -248,6 +259,8 @@ class MatrixFederationHttpClient(object):
the request body. This will be encoded as JSON.
json_data_callback (callable): A callable returning the dict to
use as the request body.
+ long_retries (bool): A boolean that indicates whether we should
+ retry for a short or long time.
Returns:
Deferred: Succeeds when we get a 2xx HTTP response. The result
@@ -273,6 +286,7 @@ class MatrixFederationHttpClient(object):
path.encode("ascii"),
body_callback=body_callback,
headers_dict={"Content-Type": ["application/json"]},
+ long_retries=long_retries,
)
if 200 <= response.code < 300:
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