The Ceph Blog

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

  • September 7, 2017
    New in Luminous: RGW Metadata Search

    RGW metadata search is a new feature that was added in Ceph Luminous.  It enables integration with Elasticsearch to provide a search API to query an object store based on object metadata. A new zone type A zone in the RGW multisite system is a set of radosgw daemons serving the same data, backed by …Read more

  • September 5, 2017
    New in Luminous: Upgrade Complete?

    When upgrading any distributed system, it’s easy to miss a step and have an old daemon running long after you thought the previous version was history. A common mistake is installing new packages and forgetting to restart the processes using them. With distributed storage like Ceph, it’s also important to remember the client side: the VMs, containers, file …Read more

  • September 1, 2017
    New in Luminous: RGW dynamic bucket sharding

    Luminous features a new RGW capability to automatically manage the sharding of RGW bucket index objects. This completely automates management of RGW’s internal index objects, something that until now Ceph administrators had to pay close attention to in order to prevent users with very large buckets from causing performance and reliability problems. Background One of …Read more

  • September 1, 2017
    New in Luminous: BlueStore

    BlueStore is a new storage backend for Ceph.  It boasts better performance (roughly 2x for writes), full data checksumming, and built-in compression.  It is the new default storage backend for Ceph OSDs in Luminous v12.2.z and will be used by default when provisioning new OSDs with ceph-disk, ceph-deploy, and/or ceph-ansible. How fast? Roughly speaking, BlueStore …Read more

  • September 1, 2017
    Contributor credits for Luminous v12.2.0

    Yet another release of Ceph is out, here is a sorted list of authors and organizations who contributed to v12.2.0, by number of commits or reviews back to v11.2.0. Thanks everyone for contributing, and keep up the good work The affiliation of authors to organizations can be updated by submitting a patch to https://github.com/ceph/ceph/blob/master/.organizationmap All commits are reviewed but …Read more

  • July 14, 2017
    v10.2.9 Jewel released

    This point release fixes a regression introduced in v10.2.8. We recommend that all Jewel users upgrade. For more detailed information, see the complete changelog. Notable Changes¶ cephfs: Damaged MDS with 10.2.8 (issue#20599, pr#16282, Nathan Cutler)

  • July 14, 2017
    v10.2.8 Jewel released

    This point release brought a number of important bugfixes in all major components of Ceph. However, it also introduced a regression that could cause MDS damage, and a new release, v10.2.9, was published to address this. Therefore, Jewel users should not upgrade to this version – instead, we recommend upgrading directly to v10.2.9. That being …Read more

  • November 3, 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

  • October 19, 2016
    FOSDEM 2017: Software Defined Storage Devroom

    Gluster and Ceph are delighted to be hosting a Software Defined Storage devroom at FOSDEM 2017. Important dates: Nov 16: Deadline for submissions Dec 1: Speakers notified of acceptance Dec 5: Schedule published This year, we’re looking for conversations about open source software defined storage, use cases in the real world, and where the future …Read more

  • September 7, 2016
    A Look at the Ceph Cookbook

    “Ceph is awesome and so is its community” and last year Packt Publishing and Karan Singh from community came up with very first book on Ceph titled “Learning Ceph“. The overwhelming response to the first book + maturity and popularity of Ceph becomes the base for the next title on Ceph, “Ceph Cookbook“. Author and …Read more

  • April 26, 2016
    504 OSD Ceph cluster on converged microserver ethernet drives

    When Ceph was originally designed a decade ago, the concept was that “intelligent” disk drives with some modest processing capability could store objects instead of blocks and take an active role in replicating, migrating, or repairing data within the system.  In contrast to conventional disk drives, a smart object-based drive could coordinate with other drives …Read more

  • April 22, 2016
    2016 Google Summer of Code Underway

    The Ceph project would like to congratulate the following students on their acceptance to the 2016 Google Summer of Code program, and the Ceph project: Student Project Shehbaz Jaffer BlueStore Victor Araujo End-to-end Performance Visualization Aburudha Bose Improve Overall Python Infrastructure Zhao Junwang Over-the-wire Encryption Support Oleh Prypin Python 3 Support for Ceph These five …Read more

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