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Only retry federation requests for a long time for background requests

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Erik Johnston 2015-11-17 18:26:50 +00:00
parent afdfd12bdf
commit cf4ef5f3c7
2 changed files with 20 additions and 7 deletions
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1
synapse/federation/transport/client.py
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@ -136,6 +136,7 @@ class TransportLayerClient(object):
path=PREFIX + "/send/%s/" % transaction.transaction_id, path=PREFIX + "/send/%s/" % transaction.transaction_id,
data=json_data, data=json_data,
json_data_callback=json_data_callback, json_data_callback=json_data_callback,
long_retries=True,
) )
logger.debug( logger.debug(

26
synapse/http/matrixfederationclient.py
View file

@ -56,7 +56,8 @@ incoming_responses_counter = metrics.register_counter(
) )
MAX_RETRIES = 10 MAX_LONG_RETRIES = 10
MAX_SHORT_RETRIES = 3
class MatrixFederationEndpointFactory(object): class MatrixFederationEndpointFactory(object):
@ -103,7 +104,7 @@ class MatrixFederationHttpClient(object):
def _create_request(self, destination, method, path_bytes, def _create_request(self, destination, method, path_bytes,
body_callback, headers_dict={}, param_bytes=b"", body_callback, headers_dict={}, param_bytes=b"",
query_bytes=b"", retry_on_dns_fail=True, query_bytes=b"", retry_on_dns_fail=True,
timeout=None): timeout=None, long_retries=False):
""" Creates and sends a request to the given url """ Creates and sends a request to the given url
""" """
headers_dict[b"User-Agent"] = [self.version_string] 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 # XXX: Would be much nicer to retry only at the transaction-layer
# (once we have reliable transactions in place) # (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( http_url_bytes = urlparse.urlunparse(
("", "", path_bytes, param_bytes, query_bytes, "") ("", "", path_bytes, param_bytes, query_bytes, "")
@ -184,9 +188,15 @@ class MatrixFederationHttpClient(object):
) )
if retries_left and not timeout: if retries_left and not timeout:
delay = 4 ** (MAX_RETRIES + 1 - retries_left) if long_retries:
delay = max(delay, 60) delay = 4 ** (MAX_LONG_RETRIES + 1 - retries_left)
delay *= random.uniform(0.8, 1.4) 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) yield sleep(delay)
retries_left -= 1 retries_left -= 1
else: else:
@ -237,7 +247,8 @@ class MatrixFederationHttpClient(object):
headers_dict[b"Authorization"] = auth_headers headers_dict[b"Authorization"] = auth_headers
@defer.inlineCallbacks @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 """ Sends the specifed json data using PUT
Args: Args:
@ -273,6 +284,7 @@ class MatrixFederationHttpClient(object):
path.encode("ascii"), path.encode("ascii"),
body_callback=body_callback, body_callback=body_callback,
headers_dict={"Content-Type": ["application/json"]}, headers_dict={"Content-Type": ["application/json"]},
long_retries=long_retries,
) )
if 200 <= response.code < 300: if 200 <= response.code < 300: