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Erik Johnston 1fb9a2d0bf
Limit how often GC happens by time. (#9902) 
Synapse can be quite memory intensive, and unless care is taken to tune
the GC thresholds it can end up thrashing, causing noticable performance
problems for large servers. We fix this by limiting how often we GC a
given generation, regardless of current counts/thresholds.

This does not help with the reverse problem where the thresholds are set
too high, but that should only happen in situations where they've been
manually configured.

Adds a `gc_min_seconds_between` config option to override the defaults.

Fixes #9890.
2021-05-05 16:53:45 +01:00
..
admin_api Delete room endpoint (#9889) 2021-04-29 10:31:45 +01:00
dev Refactor the CAS handler in prep for using the abstracted SSO code. (#8958) 2020-12-18 13:09:45 -05:00
privacy_policy_templates/en Update documentation and templates for new consent 2018-10-12 17:53:14 -06:00
systemd-with-workers example systemd config: propagate reloads to units (#9463) 2021-02-22 18:43:17 +00:00
.sample_config_header.yaml Various improvements to the docs (#7899) 2020-07-29 10:35:44 -04:00
ACME.md Update the dates for ACME v1 EOL 2020-07-22 16:18:40 +01:00
ancient_architecture_notes.md (#5849) Convert rst to markdown (#6040) 2019-09-17 12:55:29 +01:00
application_services.md Add some explanation to application_services.md (#7091) 2020-04-27 15:03:09 +01:00
architecture.md (#5849) Convert rst to markdown (#6040) 2019-09-17 12:55:29 +01:00
auth_chain_diff.dot Use a chain cover index to efficiently calculate auth chain difference (#8868) 2021-01-11 16:09:22 +00:00
auth_chain_diff.dot.png Use a chain cover index to efficiently calculate auth chain difference (#8868) 2021-01-11 16:09:22 +00:00
auth_chain_difference_algorithm.md Use a chain cover index to efficiently calculate auth chain difference (#8868) 2021-01-11 16:09:22 +00:00
CAPTCHA_SETUP.md Modify doc to update Google ReCaptcha terms (#6257) 2019-10-30 12:30:20 +00:00
code_style.md Replace room_invite_state_types with room_prejoin_state (#9700) 2021-03-30 12:12:44 +01:00
consent_tracking.md Add config variables for enabling terms auth and the policy name (#4142) 2018-11-06 10:32:34 +00:00
delegate.md Incorporate review 2020-02-19 10:03:19 +00:00
deprecation_policy.md Add deprecation policy doc (#9723) 2021-04-06 13:07:36 +01:00
federate.md Updated docs: Added note about missing 308 redirect support. (#8120) 2020-08-19 12:26:50 +01:00
jwt.md Return the proper 403 Forbidden error during errors with JWT logins. (#7844) 2020-07-15 07:10:21 -04:00
log_contexts.md Clean up some LoggingContext stuff (#7120) 2020-03-24 14:45:33 +00:00
manhole.md Add note to manhole.md about bind_address when using with docker (#8526) 2020-10-14 15:28:59 +01:00
media_repository.md (#5849) Convert rst to markdown (#6040) 2019-09-17 12:55:29 +01:00
message_retention_policies.md Update documentation on retention policies limits (#8529) 2020-10-14 15:00:49 +01:00
metrics-howto.md Improve documentation how to configure prometheus for workers (#8822) 2020-11-26 10:42:55 +00:00
MSC1711_certificates_FAQ.md (#5849) Convert rst to markdown (#6040) 2019-09-17 12:55:29 +01:00
openid.md Add support for stable MSC2858 API (#9617) 2021-03-16 11:21:26 +00:00
opentracing.md (#5849) Convert rst to markdown (#6040) 2019-09-17 12:55:29 +01:00
password_auth_providers.md Fix typo in password_auth_providers doc 2020-12-01 10:34:52 +00:00
postgres.md Quote pip install with brackets to avoid shell interpretation. (#9151) 2021-01-18 11:12:20 -05:00
presence_router_module.md Add a Synapse Module for configuring presence update routing (#9491) 2021-04-06 14:38:30 +01:00
README.md (#5849) Convert rst to markdown (#6040) 2019-09-17 12:55:29 +01:00
replication.md (#5849) Convert rst to markdown (#6040) 2019-09-17 12:55:29 +01:00
reverse_proxy.md Preserve host in example apache config (#9696) 2021-03-26 10:38:31 +00:00
room_and_user_statistics.md Fix and refactor room and user stats (#5971) 2019-09-04 13:04:27 +01:00
sample_config.yaml Limit how often GC happens by time. (#9902) 2021-05-05 16:53:45 +01:00
sample_log_config.yaml Support generating structured logs in addition to standard logs. (#8607) 2020-10-29 07:27:37 -04:00
server_notices.md Add admin api for sending server_notices (#5121) 2019-05-02 11:59:16 +01:00
spam_checker.md Pass SSO IdP information to spam checker's registration function (#9626) 2021-03-16 12:41:41 +00:00
sso_mapping_providers.md Rename handler and config modules which end in handler/config. (#9816) 2021-04-20 14:55:20 -04:00
structured_logging.md Support generating structured logs in addition to standard logs. (#8607) 2020-10-29 07:27:37 -04:00
synctl_workers.md Update worker docs with recent enhancements (#7969) 2020-07-29 23:22:13 +01:00
tcp_replication.md Fix deleting pushers when using sharded pushers. (#9465) 2021-02-22 21:14:42 +00:00
turn-howto.md Correct matrix-synapse.service reference in TURN howto docs. (#9308) 2021-02-04 11:22:44 -05:00
url_previews.md move url_previews to MD as RST does my head in 2017-10-29 20:47:17 +00:00
user_directory.md Rename database classes to make some sense (#8033) 2020-08-05 21:38:57 +01:00
workers.md docs: fallback/web endpoint does not appear to be mounted on workers (#9679) 2021-03-24 11:43:04 +00:00

README.md

Synapse Documentation

This directory contains documentation specific to the synapse homeserver.

All matrix-generic documentation now lives in its own project, located at matrix-org/matrix-doc

(Note: some items here may be moved to matrix-org/matrix-doc at some point in the future.)