The Ceph Blog

Ceph blog stories provide high-level spotlights on our customers all over the world

  • November 3rd, 2016
    RGW Metadata Search

    I have recently been working on adding metadata search to rgw. It’s not in yet, nor is it completely ready. I do think that it’s at a point where it would be great to get some feedback. This feature is built on top of another feature that I talked about a few months ago on …Read more

  • November 7th, 2011
    Atomicity of RESTful radosgw operations

    A while back we worked on radosgw doing atomic reads and writes. The first issue was making sure that two or more concurrent writers that write to the same object don’t end up with an inconsistent object. That is the “atomic PUT” issue. We also wanted to be able to make sure that when one […]

  • October 11th, 2011
    RBD Status Update

    Just a quick update on the current status of RBD. The main recent development is that librbd (the userspace library) can ack writes immediately (instead of waiting for them to actually commit), to better mimic the behavior of a normal disk. Why do this? A long long time ago, when you issued a write to […]

  • December 22nd, 2010
    RBD upstream updates

    QEMU-RBD The QEMU-RBD block device has been merged upstream into the QEMU project. QEMU-RBD was created originally by Christian Brunner, and is binary compatible with the linux native RBD driver. It allows the creation of QEMU block devices that are striped over objects in RADOS — the Ceph distributed object store. As with the corresponding […]

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