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mmattel
20 lines
1.4 KiB
Markdown
20 lines
1.4 KiB
Markdown
# Gateway
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The gateway service is an ...
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## Caching
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The `gateway` service can use a configured store via `GATEWAY_STAT_CACHE_STORE`. Possible stores are:
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- `memory`: Basic in-memory store and the default.
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- `ocmem`: Advanced in-memory store allowing max size.
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- `redis`: Stores data in a configured Redis cluster.
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- `redis-sentinel`: Stores data in a configured Redis Sentinel cluster.
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- `etcd`: Stores data in a configured etcd cluster.
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- `nats-js`: Stores data using key-value-store feature of [nats jetstream](https://docs.nats.io/nats-concepts/jetstream/key-value-store)
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- `noop`: Stores nothing. Useful for testing. Not recommended in production environments.
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1. Note that in-memory stores are by nature not reboot-persistent.
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2. Though usually not necessary, a database name and a database table can be configured for event stores if the event store supports this. Generally not applicable for stores of type `in-memory`. These settings are blank by default which means that the standard settings of the configured store apply.
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3. The gateway service can be scaled if not using `in-memory` stores and the stores are configured identically over all instances.
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4. When using `redis-sentinel`, the Redis master to use is configured via `GATEWAY_STAT_CACHE_STORE_NODES` in the form of `<sentinel-host>:<sentinel-port>/<redis-master>` like `10.10.0.200:26379/mymaster`.
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