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Split DB_POOL_SIZE & DB_MIN_IDLE environment variables #3922
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Merged
bors
merged 8 commits into
rust-lang:master
from
ferrous-systems:split-db-pool-size-env-vars
Sep 16, 2021
Merged
Split DB_POOL_SIZE & DB_MIN_IDLE environment variables #3922
bors
merged 8 commits into
rust-lang:master
from
ferrous-systems:split-db-pool-size-env-vars
Sep 16, 2021
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This moves the configuration of `DB_POOL_SIZE` into the `DbPoolConfig` struct.
The change splits the environment variable `DB_POOL_SIZE` into two separate ones, `DB_PRIMARY_POOL_SIZE` set in the primary database, `DB_REPLICA_POOL_SIZE` in the replica database. * refactor db configuration in App
Similar to env vars `DB_PRIMARY_POOL_SIZE` and `DB_REPLICA_POOL_SIZE` the variable `DB_MIN_IDLE` moved to the `full_from_environment` function.
The change splits the `DB_MIN_IDLE` into `DB_PRIMARY_MIN_IDLE` & `DB_REPLICA_MIN_IDLE` to configure both primary and replica differently.
* set primary db pool size in middleware * set db pool sizes in test environment
Thanks! @bors r+ |
📌 Commit dd14199 has been approved by |
☀️ Test successful - checks-actions |
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Labels
A-backend ⚙️
C-internal 🔧
Category: Nonessential work that would make the codebase more consistent or clear
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This PR splits the existing environment variables
DB_POOL_SIZE
&DB_MIN_IDLE
into separate variables to provide different connection settings to the primary & replica databases. The main reason for this change is to be able to configure different values for both database pools.The new env variables are:
DB_PRIMARY_POOL_SIZE
&DB_REPLICA_POOL_SIZE
to configure the number of connections in the primary & replica poolDB_PRIMARY_MIN_IDLE
&DB_REPLICA_MIN_IDLE
to set the number of idle connections each pool at least maintainsNote the descriptions of the
*_POOL_SIZE
variables inapp.json
are most likely off & need correct wording.