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Add support to queue_target and queue_interval #172

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Aug 12, 2019
Merged

Add support to queue_target and queue_interval #172

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4810163
Update config.ex
Yamilquery Aug 2, 2019
cde5986
Add queue_target and queue_interval postgrex opts
Yamilquery Aug 2, 2019
78e52bc
Add queue_target and queue_interval opts
Yamilquery Aug 2, 2019
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7 changes: 7 additions & 0 deletions guides/Getting Started.md
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Original file line number Diff line number Diff line change
Expand Up @@ -38,12 +38,19 @@ EventStore is [available in Hex](https://hex.pm/packages/eventstore) and can be
url: "postgres://postgres:postgres@localhost/eventstore",
pool_size: 10
pool_overflow: 5
queue_target: 5_000
queue_interval: 10_000
```

The database connection pool configuration options are:

- `:pool_size` - The number of connections (default: `10`).
- `:pool_overflow` - The maximum number of overflow connections to start if all connections are checked out (default: `0`).

Handling requests is done through a queue. When DBConnection is started, there are two relevant options to control the queue:

- `:queue_target` - in milliseconds (default: `50`).
- `:queue_interval` - in milliseconds (default: `1000`).

4. Add your event store module to the `event_stores` list for your app in mix config:

Expand Down
10 changes: 7 additions & 3 deletions lib/event_store/config.ex
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Expand Up @@ -3,7 +3,7 @@ defmodule EventStore.Config do
Provides access to the EventStore configuration.
"""

@integer_url_query_params ["pool_size"]
@integer_url_query_params ["pool_size", "queue_target", "queue_interval"]

@doc """
Get the event store configuration for the environment.
Expand Down Expand Up @@ -163,15 +163,19 @@ defmodule EventStore.Config do

[
pool_size: 10,
pool_overflow: 0
pool_overflow: 0,
queue_target: 5_000,
queue_interval: 10_000
]
|> Keyword.merge(config)
|> Keyword.take(
@default_postgrex_opts ++
[
:pool,
:pool_size,
:pool_overflow
:pool_overflow,
:queue_target,
:queue_interval
]
)
|> Keyword.put(:backoff_type, :exp)
Expand Down