Ceph Blog

  • The RADOS distributed object store

    by sage

    The Ceph architecture can be pretty neatly broken into two key layers. The first is RADOS, a…

  • More configuration improvements

    by sage

    We’ve updated the configuration framework again so that only a single configuration file is needed…

  • dbench performance

    by sage

    Yehuda and I did some performance tuning with dbench a couple weeks back and made some significant…

  • v0.7 release

    by sage

    I’ve tagged a v0.7 release. Probably the biggest change in this release aside from the usual bug…

  • New configuration and startup framework

    by sage

    Yehuda and I spent last week polishing his configuration framework and reworking the way everything…

  • 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…


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