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Synapse 1.14.0rc2 (2020-05-27)

==============================
 
 Bugfixes
 --------
 
 - Fix cache config to not apply cache factor to event cache. Regression in v1.14.0rc1. ([\#7578](https://github.com/matrix-org/synapse/issues/7578))
 - Fix bug where `ReplicationStreamer` was not always started when replication was enabled. Bug introduced in v1.14.0rc1. ([\#7579](https://github.com/matrix-org/synapse/issues/7579))
 - Fix specifying individual cache factors for caches with special characters in their name. Regression in v1.14.0rc1. ([\#7580](https://github.com/matrix-org/synapse/issues/7580))
 
 Improved Documentation
 ----------------------
 
 - Fix the OIDC `client_auth_method` value in the sample config. ([\#7581](https://github.com/matrix-org/synapse/issues/7581))
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Merge tag 'v1.14.0rc2' into develop

Synapse 1.14.0rc2 (2020-05-27)
==============================

Bugfixes
--------

- Fix cache config to not apply cache factor to event cache. Regression in v1.14.0rc1. ([\#7578](https://github.com/matrix-org/synapse/issues/7578))
- Fix bug where `ReplicationStreamer` was not always started when replication was enabled. Bug introduced in v1.14.0rc1. ([\#7579](https://github.com/matrix-org/synapse/issues/7579))
- Fix specifying individual cache factors for caches with special characters in their name. Regression in v1.14.0rc1. ([\#7580](https://github.com/matrix-org/synapse/issues/7580))

Improved Documentation
----------------------

- Fix the OIDC `client_auth_method` value in the sample config. ([\#7581](https://github.com/matrix-org/synapse/issues/7581))
This commit is contained in:
Brendan Abolivier 2020-05-27 17:35:29 +02:00
commit 5af572ada0
8 changed files with 116 additions and 8 deletions

View file

@ -1,3 +1,20 @@
Synapse 1.14.0rc2 (2020-05-27)
==============================
Bugfixes
--------
- Fix cache config to not apply cache factor to event cache. Regression in v1.14.0rc1. ([\#7578](https://github.com/matrix-org/synapse/issues/7578))
- Fix bug where `ReplicationStreamer` was not always started when replication was enabled. Bug introduced in v1.14.0rc1. ([\#7579](https://github.com/matrix-org/synapse/issues/7579))
- Fix specifying individual cache factors for caches with special characters in their name. Regression in v1.14.0rc1. ([\#7580](https://github.com/matrix-org/synapse/issues/7580))
Improved Documentation
----------------------
- Fix the OIDC `client_auth_method` value in the sample config. ([\#7581](https://github.com/matrix-org/synapse/issues/7581))
Synapse 1.14.0rc1 (2020-05-26) Synapse 1.14.0rc1 (2020-05-26)
============================== ==============================

View file

@ -643,6 +643,12 @@ caches:
# takes priority over setting through the config file. # takes priority over setting through the config file.
# Ex. SYNAPSE_CACHE_FACTOR_GET_USERS_WHO_SHARE_ROOM_WITH_USER=2.0 # Ex. SYNAPSE_CACHE_FACTOR_GET_USERS_WHO_SHARE_ROOM_WITH_USER=2.0
# #
# Some caches have '*' and other characters that are not
# alphanumeric or underscores. These caches can be named with or
# without the special characters stripped. For example, to specify
# the cache factor for `*stateGroupCache*` via an environment
# variable would be `SYNAPSE_CACHE_FACTOR_STATEGROUPCACHE=2.0`.
#
per_cache_factors: per_cache_factors:
#get_users_who_share_room_with_user: 2.0 #get_users_who_share_room_with_user: 2.0
@ -1540,7 +1546,7 @@ oidc_config:
# auth method to use when exchanging the token. # auth method to use when exchanging the token.
# Valid values are "client_secret_basic" (default), "client_secret_post" and "none". # Valid values are "client_secret_basic" (default), "client_secret_post" and "none".
# #
#client_auth_method: "client_auth_basic" #client_auth_method: "client_secret_basic"
# list of scopes to ask. This should include the "openid" scope. Defaults to ["openid"]. # list of scopes to ask. This should include the "openid" scope. Defaults to ["openid"].
# #

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@ -36,7 +36,7 @@ try:
except ImportError: except ImportError:
pass pass
__version__ = "1.14.0rc1" __version__ = "1.14.0rc2"
if bool(os.environ.get("SYNAPSE_TEST_PATCH_LOG_CONTEXTS", False)): if bool(os.environ.get("SYNAPSE_TEST_PATCH_LOG_CONTEXTS", False)):
# We import here so that we don't have to install a bunch of deps when # We import here so that we don't have to install a bunch of deps when

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@ -14,13 +14,17 @@
# limitations under the License. # limitations under the License.
import os import os
import re
from typing import Callable, Dict from typing import Callable, Dict
from ._base import Config, ConfigError from ._base import Config, ConfigError
# The prefix for all cache factor-related environment variables # The prefix for all cache factor-related environment variables
_CACHES = {}
_CACHE_PREFIX = "SYNAPSE_CACHE_FACTOR" _CACHE_PREFIX = "SYNAPSE_CACHE_FACTOR"
# Map from canonicalised cache name to cache.
_CACHES = {}
_DEFAULT_FACTOR_SIZE = 0.5 _DEFAULT_FACTOR_SIZE = 0.5
_DEFAULT_EVENT_CACHE_SIZE = "10K" _DEFAULT_EVENT_CACHE_SIZE = "10K"
@ -37,6 +41,20 @@ class CacheProperties(object):
properties = CacheProperties() properties = CacheProperties()
def _canonicalise_cache_name(cache_name: str) -> str:
"""Gets the canonical form of the cache name.
Since we specify cache names in config and environment variables we need to
ignore case and special characters. For example, some caches have asterisks
in their name to denote that they're not attached to a particular database
function, and these asterisks need to be stripped out
"""
cache_name = re.sub(r"[^A-Za-z_1-9]", "", cache_name)
return cache_name.lower()
def add_resizable_cache(cache_name: str, cache_resize_callback: Callable): def add_resizable_cache(cache_name: str, cache_resize_callback: Callable):
"""Register a cache that's size can dynamically change """Register a cache that's size can dynamically change
@ -45,7 +63,10 @@ def add_resizable_cache(cache_name: str, cache_resize_callback: Callable):
cache_resize_callback: A callback function that will be ran whenever cache_resize_callback: A callback function that will be ran whenever
the cache needs to be resized the cache needs to be resized
""" """
_CACHES[cache_name.lower()] = cache_resize_callback # Some caches have '*' in them which we strip out.
cache_name = _canonicalise_cache_name(cache_name)
_CACHES[cache_name] = cache_resize_callback
# Ensure all loaded caches are sized appropriately # Ensure all loaded caches are sized appropriately
# #
@ -105,6 +126,12 @@ class CacheConfig(Config):
# takes priority over setting through the config file. # takes priority over setting through the config file.
# Ex. SYNAPSE_CACHE_FACTOR_GET_USERS_WHO_SHARE_ROOM_WITH_USER=2.0 # Ex. SYNAPSE_CACHE_FACTOR_GET_USERS_WHO_SHARE_ROOM_WITH_USER=2.0
# #
# Some caches have '*' and other characters that are not
# alphanumeric or underscores. These caches can be named with or
# without the special characters stripped. For example, to specify
# the cache factor for `*stateGroupCache*` via an environment
# variable would be `SYNAPSE_CACHE_FACTOR_STATEGROUPCACHE=2.0`.
#
per_cache_factors: per_cache_factors:
#get_users_who_share_room_with_user: 2.0 #get_users_who_share_room_with_user: 2.0
""" """
@ -130,10 +157,17 @@ class CacheConfig(Config):
if not isinstance(individual_factors, dict): if not isinstance(individual_factors, dict):
raise ConfigError("caches.per_cache_factors must be a dictionary") raise ConfigError("caches.per_cache_factors must be a dictionary")
# Canonicalise the cache names *before* updating with the environment
# variables.
individual_factors = {
_canonicalise_cache_name(key): val
for key, val in individual_factors.items()
}
# Override factors from environment if necessary # Override factors from environment if necessary
individual_factors.update( individual_factors.update(
{ {
key[len(_CACHE_PREFIX) + 1 :].lower(): float(val) _canonicalise_cache_name(key[len(_CACHE_PREFIX) + 1 :]): float(val)
for key, val in self._environ.items() for key, val in self._environ.items()
if key.startswith(_CACHE_PREFIX + "_") if key.startswith(_CACHE_PREFIX + "_")
} }
@ -142,9 +176,9 @@ class CacheConfig(Config):
for cache, factor in individual_factors.items(): for cache, factor in individual_factors.items():
if not isinstance(factor, (int, float)): if not isinstance(factor, (int, float)):
raise ConfigError( raise ConfigError(
"caches.per_cache_factors.%s must be a number" % (cache.lower(),) "caches.per_cache_factors.%s must be a number" % (cache,)
) )
self.cache_factors[cache.lower()] = factor self.cache_factors[cache] = factor
# Resize all caches (if necessary) with the new factors we've loaded # Resize all caches (if necessary) with the new factors we've loaded
self.resize_all_caches() self.resize_all_caches()

View file

@ -112,7 +112,7 @@ class OIDCConfig(Config):
# auth method to use when exchanging the token. # auth method to use when exchanging the token.
# Valid values are "client_secret_basic" (default), "client_secret_post" and "none". # Valid values are "client_secret_basic" (default), "client_secret_post" and "none".
# #
#client_auth_method: "client_auth_basic" #client_auth_method: "client_secret_basic"
# list of scopes to ask. This should include the "openid" scope. Defaults to ["openid"]. # list of scopes to ask. This should include the "openid" scope. Defaults to ["openid"].
# #

View file

@ -159,6 +159,9 @@ class ReplicationCommandHandler:
hs.config.redis_port, hs.config.redis_port,
) )
# First let's ensure that we have a ReplicationStreamer started.
hs.get_replication_streamer()
# We need two connections to redis, one for the subscription stream and # We need two connections to redis, one for the subscription stream and
# one to send commands to (as you can't send further redis commands to a # one to send commands to (as you can't send further redis commands to a
# connection after SUBSCRIBE is called). # connection after SUBSCRIBE is called).

View file

@ -81,6 +81,7 @@ class LruCache(object):
""" """
cache = cache_type() cache = cache_type()
self.cache = cache # Used for introspection. self.cache = cache # Used for introspection.
self.apply_cache_factor_from_config = apply_cache_factor_from_config
# Save the original max size, and apply the default size factor. # Save the original max size, and apply the default size factor.
self._original_max_size = max_size self._original_max_size = max_size
@ -294,6 +295,9 @@ class LruCache(object):
Returns: Returns:
bool: Whether the cache changed size or not. bool: Whether the cache changed size or not.
""" """
if not self.apply_cache_factor_from_config:
return False
new_size = int(self._original_max_size * factor) new_size = int(self._original_max_size * factor)
if new_size != self.max_size: if new_size != self.max_size:
self.max_size = new_size self.max_size = new_size

View file

@ -125,3 +125,47 @@ class CacheConfigTests(TestCase):
cache = LruCache(100) cache = LruCache(100)
add_resizable_cache("foo", cache_resize_callback=cache.set_cache_factor) add_resizable_cache("foo", cache_resize_callback=cache.set_cache_factor)
self.assertEqual(cache.max_size, 150) self.assertEqual(cache.max_size, 150)
def test_cache_with_asterisk_in_name(self):
"""Some caches have asterisks in their name, test that they are set correctly.
"""
config = {
"caches": {
"per_cache_factors": {"*cache_a*": 5, "cache_b": 6, "cache_c": 2}
}
}
t = TestConfig()
t.caches._environ = {
"SYNAPSE_CACHE_FACTOR_CACHE_A": "2",
"SYNAPSE_CACHE_FACTOR_CACHE_B": 3,
}
t.read_config(config, config_dir_path="", data_dir_path="")
cache_a = LruCache(100)
add_resizable_cache("*cache_a*", cache_resize_callback=cache_a.set_cache_factor)
self.assertEqual(cache_a.max_size, 200)
cache_b = LruCache(100)
add_resizable_cache("*Cache_b*", cache_resize_callback=cache_b.set_cache_factor)
self.assertEqual(cache_b.max_size, 300)
cache_c = LruCache(100)
add_resizable_cache("*cache_c*", cache_resize_callback=cache_c.set_cache_factor)
self.assertEqual(cache_c.max_size, 200)
def test_apply_cache_factor_from_config(self):
"""Caches can disable applying cache factor updates, mainly used by
event cache size.
"""
config = {"caches": {"event_cache_size": "10k"}}
t = TestConfig()
t.read_config(config, config_dir_path="", data_dir_path="")
cache = LruCache(
max_size=t.caches.event_cache_size, apply_cache_factor_from_config=False,
)
add_resizable_cache("event_cache", cache_resize_callback=cache.set_cache_factor)
self.assertEqual(cache.max_size, 10240)