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moby--moby/builder/builder-next/worker/gc_unix.go

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builder: use buildkit's GC for build cache This allows users to configure the buildkit GC. The following enables the default GC: ``` { "builder": { "gc": { "enabled": true } } } ``` The default GC policy has a simple config: ``` { "builder": { "gc": { "enabled": true, "defaultKeepStorage": "30GB" } } } ``` A custom GC policy can be used instead by specifying a list of cache prune rules: ``` { "builder": { "gc": { "enabled": true, "policy": [ {"keepStorage": "512MB", "filter": ["unused-for=1400h"]]}, {"keepStorage": "30GB", "all": true} ] } } } ``` Signed-off-by: Tibor Vass <tibor@docker.com>
2018-09-04 22:12:44 -04:00
// +build !windows
package worker
import (
"syscall"
)
func detectDefaultGCCap(root string) int64 {
var st syscall.Statfs_t
if err := syscall.Statfs(root, &st); err != nil {
return defaultCap
}
reformat "nolint" comments Unlike regular comments, nolint comments should not have a leading space. Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2021-05-31 05:39:04 -04:00
diskSize := int64(st.Bsize) * int64(st.Blocks) //nolint unconvert
builder: use buildkit's GC for build cache This allows users to configure the buildkit GC. The following enables the default GC: ``` { "builder": { "gc": { "enabled": true } } } ``` The default GC policy has a simple config: ``` { "builder": { "gc": { "enabled": true, "defaultKeepStorage": "30GB" } } } ``` A custom GC policy can be used instead by specifying a list of cache prune rules: ``` { "builder": { "gc": { "enabled": true, "policy": [ {"keepStorage": "512MB", "filter": ["unused-for=1400h"]]}, {"keepStorage": "30GB", "all": true} ] } } } ``` Signed-off-by: Tibor Vass <tibor@docker.com>
2018-09-04 22:12:44 -04:00
avail := diskSize / 10
return (avail/(1<<30) + 1) * 1e9 // round up
}
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