Slow placement group read operations in Ceph 10 December 2016·2 mins An unsolved mystery involving slow reads and Ceph placement groups.
Adding a new placement group operation in Ceph 4 December 2016·10 mins Teaching Ceph new tricks on entire groups of objects.
Measuring userfaultfd page-fault latency 10 October 2016·4 mins How fast can my application service its own page fault?
Building an immutable key-value store on zlog 2 August 2016·7 mins Persistent data structures are the dopest shit.
ZLog project update (mid-2016 edition) 30 June 2016·4 mins Project funding, design updates, and improved performance.
Toward dynamic RADOS object class management 14 December 2015·15 mins Persisting Lua-based RADOS object classes in Ceph.
Load Lua RADOS classes from local file system 6 December 2015·19 mins Supporting the installation of Lua-based RADOS object classes.
ZLog asynchronous I/O support 4 September 2015·10 mins Bringing zlog into the future with a new asynchronous interface.
Hadoop on Ceph: usability survey 19 July 2015·3 mins Hadoop interoperability with Lustre, Quantcast, Gluster, and more.