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pbs-api-types: add option to set GC chunk cleanup atime cutoff

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Add the `gc-atime-cutoff` option to the datastore tuning parameters.
This allows to specify the time after which the chunks are not
considered in use anymore if their atime has not been updated since
then.

The default is to keep chunks within the 24h 5m timespan (given no
active writers).

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
This commit is contained in:
Christian Ebner 2025-04-05 11:05:05 +02:00 committed by Thomas Lamprecht
parent 0f658cf79b
commit 8468dd18d2
1 changed files with 15 additions and 0 deletions
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15
pbs-api-types/src/datastore.rs
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@ -223,6 +223,15 @@ pub enum DatastoreFSyncLevel {
Filesystem,
}
pub const GC_ATIME_CUTOFF_SCHEMA: Schema = IntegerSchema::new(
"Cutoff (in minutes) for chunk cleanup atime check in garbage collection phase 2 \
(default 24h 5m)",
)
.minimum(1) // safety margin for kernel timestamp granularity, but stay within minute range
.maximum(2 * 24 * 60)
.default(24 * 60 + 5)
.schema();
#[api(
properties: {
"chunk-order": {
@ -237,6 +246,10 @@ pub enum DatastoreFSyncLevel {
default: true,
type: bool,
},
"gc-atime-cutoff": {
schema: GC_ATIME_CUTOFF_SCHEMA,
optional: true,
},
},
)]
#[derive(Serialize, Deserialize, Default)]
@ -250,6 +263,8 @@ pub struct DatastoreTuning {
pub sync_level: Option<DatastoreFSyncLevel>,
#[serde(skip_serializing_if = "Option::is_none")]
pub gc_atime_safety_check: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
pub gc_atime_cutoff: Option<usize>,
}
pub const DATASTORE_TUNING_STRING_SCHEMA: Schema = StringSchema::new("Datastore tuning options")