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add conf item for write buffer size

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Signed-off-by: Jason Volk <jason@zemos.net>
This commit is contained in:
Jason Volk 2025-01-09 19:55:25 +00:00
parent 6a0f9add0c
commit 16fa2eca87
4 changed files with 92 additions and 37 deletions
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50
src/core/config/mod.rs
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@ -147,22 +147,6 @@ pub struct Config {
#[serde(default = "default_database_backups_to_keep")]
pub database_backups_to_keep: i16,
/// Set this to any float value in megabytes for conduwuit to tell the
/// database engine that this much memory is available for database-related
/// caches.
///
/// May be useful if you have significant memory to spare to increase
/// performance.
///
/// Similar to the individual LRU caches, this is scaled up with your CPU
/// core count.
///
/// This defaults to 128.0 + (64.0 * CPU core count).
///
/// default: varies by system
#[serde(default = "default_db_cache_capacity_mb")]
pub db_cache_capacity_mb: f64,
/// Text which will be added to the end of the user's displayname upon
/// registration with a space before the text. In Conduit, this was the
/// lightning bolt emoji.
@ -205,6 +189,38 @@ pub struct Config {
)]
pub cache_capacity_modifier: f64,
/// Set this to any float value in megabytes for conduwuit to tell the
/// database engine that this much memory is available for database read
/// caches.
///
/// May be useful if you have significant memory to spare to increase
/// performance.
///
/// Similar to the individual LRU caches, this is scaled up with your CPU
/// core count.
///
/// This defaults to 128.0 + (64.0 * CPU core count).
///
/// default: varies by system
#[serde(default = "default_db_cache_capacity_mb")]
pub db_cache_capacity_mb: f64,
/// Set this to any float value in megabytes for conduwuit to tell the
/// database engine that this much memory is available for database write
/// caches.
///
/// May be useful if you have significant memory to spare to increase
/// performance.
///
/// Similar to the individual LRU caches, this is scaled up with your CPU
/// core count.
///
/// This defaults to 48.0 + (4.0 * CPU core count).
///
/// default: varies by system
#[serde(default = "default_db_write_buffer_capacity_mb")]
pub db_write_buffer_capacity_mb: f64,
/// default: varies by system
#[serde(default = "default_pdu_cache_capacity")]
pub pdu_cache_capacity: u32,
@ -2233,6 +2249,8 @@ fn default_unix_socket_perms() -> u32 { 660 }
fn default_database_backups_to_keep() -> i16 { 1 }
fn default_db_write_buffer_capacity_mb() -> f64 { 48.0 + parallelism_scaled_f64(4.0) }
fn default_db_cache_capacity_mb() -> f64 { 128.0 + parallelism_scaled_f64(64.0) }
fn default_pdu_cache_capacity() -> u32 { parallelism_scaled_u32(10_000).saturating_add(100_000) }