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71 lines
2.6 KiB
Markdown
71 lines
2.6 KiB
Markdown
synctl(1) -- Synapse server control interface
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=============================================
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## SYNOPSIS
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Start, stop or restart synapse server.
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`synctl` {start|stop|restart} [configfile] [-w|--worker=<WORKERCONFIG>] [-a|--all-processes=<WORKERCONFIGDIR>]
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## DESCRIPTION
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**synctl** can be used to start, stop or restart Synapse server. The
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control operation can be done on all processes or a single worker
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process.
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## OPTIONS
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* `action`:
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The value of action should be one of `start`, `stop` or `restart`.
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* `configfile`:
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Optional path of the configuration file to use. Default value is
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`homeserver.yaml`. The configuration file must exist for the
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operation to succeed.
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* `-w`, `--worker`:
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Perform start, stop or restart operations on a single worker.
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Incompatible with `-a`|`--all-processes`. Value passed must be a
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valid worker's configuration file.
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* `-a`, `--all-processes`:
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Perform start, stop or restart operations on all the workers in
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the given directory and the main synapse process. Incompatible
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with `-w`|`--worker`. Value passed must be a directory containing
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valid work configuration files. All files ending with `.yaml`
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extension shall be considered as configuration files and all other
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files in the directory are ignored.
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## CONFIGURATION FILE
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Configuration file may be generated as follows:
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$ python -m synapse.app.homeserver -c config.yaml --generate-config --server-name=<server name>
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## ENVIRONMENT
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* `SYNAPSE_CACHE_FACTOR`:
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Synapse's architecture is quite RAM hungry currently - we deliberately
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cache a lot of recent room data and metadata in RAM in order to speed up
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common requests. We'll improve this in the future, but for now the easiest
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way to either reduce the RAM usage (at the risk of slowing things down)
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is to set the almost-undocumented ``SYNAPSE_CACHE_FACTOR`` environment
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variable. The default is 0.5, which can be decreased to reduce RAM usage
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in memory constrained enviroments, or increased if performance starts to
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degrade.
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However, degraded performance due to a low cache factor, common on
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machines with slow disks, often leads to explosions in memory use due
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backlogged requests. In this case, reducing the cache factor will make
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things worse. Instead, try increasing it drastically. 2.0 is a good
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starting value.
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## COPYRIGHT
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This man page was written by Sunil Mohan Adapa <<sunil@medhas.org>> for
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Debian GNU/Linux distribution.
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## SEE ALSO
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synapse_port_db(1), hash_password(1), register_new_matrix_user(1), synapse_review_recent_signups(1)
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