Struct forceps::CacheBuilder
source · pub struct CacheBuilder { /* private fields */ }
Expand description
Implementations§
source§impl CacheBuilder
impl CacheBuilder
sourcepub fn new<P: AsRef<Path>>(path: P) -> Self
pub fn new<P: AsRef<Path>>(path: P) -> Self
Creates a new CacheBuilder
, which can be used to customize and create a Cache
instance.
The path
supplied is the base directory of the cache instance.
Examples
use forceps::CacheBuilder;
let builder = CacheBuilder::new("./cache");
// Use other methods for configuration
sourcepub fn dir_depth(self, depth: u8) -> Self
pub fn dir_depth(self, depth: u8) -> Self
Sets the depth of directories created in the cache folder.
Default is 2
This will set the depth of folders created and expected when reading and writing to the database. Increasing this value could increase the time to write to the database.
Breaking Warning
Changing this value on a live database without migrations will cause the database read
operations to essentially skip over the data. This means that all data will be
inaccessible, despite the metadata being accessible.
sourcepub fn memory_lru_max_size(self, size: usize) -> Self
pub fn memory_lru_max_size(self, size: usize) -> Self
Sets the maximum size (in bytes) for the in-memory Least-Recently-Used cache.
Default is 0
Setting this above 0
will create an in-memory store for recently-used entries. This will
use up more RAM, but will also significantly increase speed on memcache HIT
s.
sourcepub fn read_write_buffer(self, size: usize) -> Self
pub fn read_write_buffer(self, size: usize) -> Self
Changes the in-memory buffer sizes for reading and writing fs
operations.
Default is 8kb
(8196
)
Increasing this value may benefit performance as more bulk reading is involved. However, this option completely depends on the size of the data you are reading/writing.
sourcepub fn track_access(self, toggle: bool) -> Self
pub fn track_access(self, toggle: bool) -> Self
If set to true
, this will track track the total hits and the last time an entry was
accessed in the metadata.
Default is false
Be warned, turning this on will cause blocking metadata database calls to occur on read
operations. This does not normally occur and can cause problems for async
applications.
Trait Implementations§
source§impl Clone for CacheBuilder
impl Clone for CacheBuilder
source§fn clone(&self) -> CacheBuilder
fn clone(&self) -> CacheBuilder
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source
. Read moresource§impl Debug for CacheBuilder
impl Debug for CacheBuilder
source§impl Default for CacheBuilder
impl Default for CacheBuilder
source§fn default() -> Self
fn default() -> Self
Creates a CacheBuilder
with the directory set to ./cache
.
Examples
use forceps::CacheBuilder;
let cache = CacheBuilder::default()
.build()
.await
.unwrap();
Auto Trait Implementations§
impl RefUnwindSafe for CacheBuilder
impl Send for CacheBuilder
impl Sync for CacheBuilder
impl Unpin for CacheBuilder
impl UnwindSafe for CacheBuilder
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