Expand description

Providing Layer trait and its implementations.


ConcurrentLimitLayer will add concurrent limit for OpenDAL.
ContentCacheLayer will add content data cache support for OpenDAL.
ImmutableIndexLayer is used to add an immutable in-memory index for underlying storage services.
LoggingLayer will add logging for OpenDAL.
MetadataCacheLayer will add metadata cache support for OpenDAL.
MetricsLayer will add metrics for OpenDAL.
RetryLayer will add retry for OpenDAL.
SubdirLayer to switch to subdir for existing operator.
TracingLayer will add tracing for OpenDAL.


The strategy of content cache.


Layer is used to intercept the operations on the underlying storage.