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Deimos 3e37c1ec7c Add error-handling for event stream consumers Previously, if an event stream consumer hit an error when processing a message, it would crash and restart, and the message that caused the error would be left in "pending" status for that consumer forever while the consumer continued processing new messages. This commit adds some more deliberate handling of messages that cause errors: * When a consumer starts, it will try to read pending messages first. In a case where an error was transient, this should mean that the message that previously caused a crash will be processed on retry. * If a particular message causes the consumer to crash 3 times, it will be considered "dead" and moved out of the consumer's pending list into one specifically for dead messages. These dead queues can be monitored and inspected manually to look into failures, while the consumer can still continue processing new messages. * After clearing or processing all pending messages, consumers go back to waiting for and processing new messages.		5 years ago
..
alembic	Eliminate RabbitMQ	5 years ago
consumers	Replace RabbitMQ uses with Redis streams	5 years ago
scripts	Set a maximum length for Redis event streams	5 years ago
scss	Improve alignment of topic actions dropdown	5 years ago
sql/init	Eliminate RabbitMQ	5 years ago
static	Close dropdowns by clicking toggle button again	5 years ago
tests	Markdown: Automatically link subreddit references	5 years ago
tildes	Add error-handling for event stream consumers	5 years ago
alembic.ini	Add a hook to format Alembic revisions with Black	5 years ago
boussole.yaml	Initial open-source release	6 years ago
development.ini	Move gunicorn server config out of INI files	5 years ago
gunicorn_config.py	Re-wrap comments with new max line-length	6 years ago
mypy.ini	Update mypy to 0.730	5 years ago
package-lock.json	Update npm package versions (package-lock.json)	5 years ago
package.json	Disable line-ending checks in eslint and stylelint	5 years ago
production.ini.example	Move gunicorn server config out of INI files	5 years ago
prospector.yaml	Update Prospector to 1.2.0	5 years ago
pyproject.toml	Fix Black exclusion regex to only apply to folders	5 years ago
pytest.ini	pytest: ignore YAMLLoadWarning	6 years ago
requirements-dev.in	Install pyramid-ipython in production too	5 years ago
requirements-dev.txt	Eliminate RabbitMQ	5 years ago
requirements.in	Eliminate RabbitMQ	5 years ago
requirements.txt	Eliminate RabbitMQ	5 years ago
setup.py	Apply Black code formatter	6 years ago
webassets.yaml	Add Actions dropdown to topics in listings	5 years ago