Flash-based persistent storage media are capable of sub-millisecond latency I/O. However,
a storage architecture optimized for spinning drives may contain software delays that make it …

In order to achieve higher I/O throughput and better overall system performance, it is
necessary for commercial storage systems to fully exploit the increasing core counts on …

NetApp® WAFL® is a transactional file system that uses the copy-on-write mechanism to
support fast write performance and efficient snapshot creation. However, copy-on-write …

The WAFL file system leverages data partitioning to manage parallel processing of client
and internal operations. Such operations are mapped to data partitions based on the data …

Consistent and timely access to an arbitrarily damaged file system is an important
requirement of enterprise class systems. Repairing file system inconsistencies is …

NetApp® WAFL® is a transactional file system that uses the copy-on-write mechanism to
support fast write performance and efficient snapshot creation. However, copy-on-write …

Enterprise storage systems must scale to increasing core counts to meet stringent
performance requirements. Both the NetApp® Data ONTAP® storage operating system and …

In the past few decades, data volume increases exponentially. Smart devices, social media,
and e-business generate an extremely amount of data everyday. While big data is promising …

One of the most challenging problems in modern distributed big data systems lies in their
memory management: these systems preallocate a fixed amount of memory before …