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server: Implement WithMmapSize option for backend config

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Accept a third argument for NewDefaultBackend for overrides to the
BackendConfig.
Add a new function, WithMmapSize, which modifies the backend config to
provide a custom InitiamMmapSize.

Backports commit: d69adf45f9e95661966204460f019b8164aaef12 / PR: #17277

Signed-off-by: Ivan Valdes <ivan@vald.es>
This commit is contained in:
Ivan Valdes 2024-05-09 21:33:55 -04:00
parent 0f0af63eaa
commit 6abc349dc9
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GPG Key ID: 4037D37741ED0CC5
1 changed files with 13 additions and 1 deletions
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14
server/mvcc/backend/backend.go
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@ -151,6 +151,8 @@ type BackendConfig struct {
Hooks Hooks Hooks Hooks
} }
type BackendConfigOption func(*BackendConfig)
func DefaultBackendConfig() BackendConfig { func DefaultBackendConfig() BackendConfig {
return BackendConfig{ return BackendConfig{
BatchInterval: defaultBatchInterval, BatchInterval: defaultBatchInterval,
@ -163,9 +165,19 @@ func New(bcfg BackendConfig) Backend {
return newBackend(bcfg) return newBackend(bcfg)
} }
func NewDefaultBackend(path string) Backend { func WithMmapSize(size uint64) BackendConfigOption {
return func(bcfg *BackendConfig) {
bcfg.MmapSize = size
}
}
func NewDefaultBackend(path string, opts ...BackendConfigOption) Backend {
bcfg := DefaultBackendConfig() bcfg := DefaultBackendConfig()
bcfg.Path = path bcfg.Path = path
for _, opt := range opts {
opt(&bcfg)
}
return newBackend(bcfg) return newBackend(bcfg)
} }