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30a5076da8
See https://github.com/matrix-org/synapse/pull/14095#discussion_r990335492 This is useful because when see that a relevant event is an `outlier` or `soft-failed`, then that's a good unexpected indicator explaining why it's not showing up. `filter_events_for_client` is used in `/sync`, `/messages`, `/context` which are all common end-to-end assertion touch points (also notifications, relations).
92 lines
3.0 KiB
Plaintext
92 lines
3.0 KiB
Plaintext
version: 1
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formatters:
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precise:
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{% if include_worker_name_in_log_line %}
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format: '{{ worker_name }} | %(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(request)s - %(message)s'
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{% else %}
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format: '%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(request)s - %(message)s'
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{% endif %}
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handlers:
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{% if LOG_FILE_PATH %}
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file:
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class: logging.handlers.TimedRotatingFileHandler
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formatter: precise
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filename: {{ LOG_FILE_PATH }}
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when: "midnight"
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backupCount: 6 # Does not include the current log file.
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encoding: utf8
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# Default to buffering writes to log file for efficiency.
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# WARNING/ERROR logs will still be flushed immediately, but there will be a
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# delay (of up to `period` seconds, or until the buffer is full with
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# `capacity` messages) before INFO/DEBUG logs get written.
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buffer:
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class: synapse.logging.handlers.PeriodicallyFlushingMemoryHandler
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target: file
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# The capacity is the maximum number of log lines that are buffered
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# before being written to disk. Increasing this will lead to better
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# performance, at the expensive of it taking longer for log lines to
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# be written to disk.
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# This parameter is required.
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capacity: 10
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# Logs with a level at or above the flush level will cause the buffer to
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# be flushed immediately.
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# Default value: 40 (ERROR)
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# Other values: 50 (CRITICAL), 30 (WARNING), 20 (INFO), 10 (DEBUG)
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flushLevel: 30 # Flush immediately for WARNING logs and higher
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# The period of time, in seconds, between forced flushes.
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# Messages will not be delayed for longer than this time.
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# Default value: 5 seconds
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period: 5
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{% endif %}
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console:
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class: logging.StreamHandler
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formatter: precise
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loggers:
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# This is just here so we can leave `loggers` in the config regardless of whether
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# we configure other loggers below (avoid empty yaml dict error).
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_placeholder:
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level: "INFO"
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{% if not SYNAPSE_LOG_SENSITIVE %}
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{#
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If SYNAPSE_LOG_SENSITIVE is unset, then override synapse.storage.SQL to INFO
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so that DEBUG entries (containing sensitive information) are not emitted.
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#}
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synapse.storage.SQL:
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# beware: increasing this to DEBUG will make synapse log sensitive
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# information such as access tokens.
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level: INFO
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{% endif %}
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{% if SYNAPSE_LOG_TESTING %}
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{#
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If Synapse is under test, log a few more useful things for a developer
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attempting to debug something particularly tricky.
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With `synapse.visibility.filtered_event_debug`, it logs when events are (maybe
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unexpectedly) filtered out of responses in tests. It's just nice to be able to
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look at the CI log and figure out why an event isn't being returned.
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#}
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synapse.visibility.filtered_event_debug:
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level: DEBUG
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{% endif %}
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root:
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level: {{ SYNAPSE_LOG_LEVEL or "INFO" }}
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{% if LOG_FILE_PATH %}
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handlers: [console, buffer]
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{% else %}
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handlers: [console]
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{% endif %}
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disable_existing_loggers: false
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