Ceph Blog

  • Debian packages

    by sage

    I’ve built some debian packages for both the userspace daemons and the kernel module source. Trying…

  • Some performance comparisons

    by sage

    I did a few basic tests comparing Ceph to NFS on a simple benchmark, a Linux kernel untar. I tried…

  • POSIX file system test suite

    by sage

    The unstable client with all of the async metadata changes is passing the full POSIX file system…

  • Asynchronous metadata operations

    by sage

    The focus for the last few weeks has been on speeding up metadata operations. The problem has been…

  • Scrubbing

    by sage

    The last month has seen a lot of work on the storage cluster, fixing recovery related bugs,…

  • v0.5 release sent to linux-fsdevel, -kernel

    by sage

    I’ve tagged a v0.5 release, and this time sent the client portion in patch form to linux-kernel and…

  • lockdep for pthreads

    by sage

    Linux has a great tool called lockdep for identifying locking dependency problems. Instead of…

  • v0.4 Release

    by sage

    I’ve tagged v0.4. New in this release:Flexible snapshots create snapshots of any…

  • Snapshots are now in the ‘unstable’ branch

    by sage

    I’ve just merged the snapshot support into the unstable branch. It’s notcompletely finished yet…

  • Snapshot progress

    by sage

    If things seem a bit slow lately, it’s because I’ve been primarily workingon implementing the…

  • Next up: snapshots!

    by sage

    One of the last intrusive additions I have planned is a flexible snapshot mechanism. I haven’t been…

  • Recursive accounting

    by sage

    This is somewhat old news, but the recursive accounting changes have been merged into both the…