alluxio.client.file.cache

Interface CacheUsageView

All Known Subinterfaces:

CacheUsage

All Known Implementing Classes:

CacheUsageView.ImmutableCacheUsageView

public interface CacheUsageView

Immutable view of cache usage stats.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	CacheUsageView.ImmutableCacheUsageView Immutable holder of cache stats.

Method Summary

Modifier and Type	Method and Description
long	available() Bytes that are available for caching.
long	capacity() Total capacity of the cache.
long	used() Bytes currently used by the cache.

Method Detail

used

long used()

Bytes currently used by the cache. This includes both evictable and inevitable pages.

Returns:

number of bytes being used

available

long available()

Bytes that are available for caching. This includes free space, as well as the space occupied by evictable pages.

Returns:

number of bytes that can be used for caching

capacity

long capacity()

Total capacity of the cache.

Returns:

total number of bytes the cache is allowed to use