The Ceph Blog

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

  • May 1, 2014
    v0.67.8 Dumpling released

    This Dumpling point release fixes several non-critical issues since v0.67.7. The most notable bug fixes are an auth fix in librbd (observed as an occasional crash from KVM), an improvement in the network failure detection with the monitor, and several hard to hit OSD crashes or hangs. We recommend that all users upgrade at their …Read more

  • April 7, 2014
    v0.79 released

    This release is intended to serve as a release candidate for firefly, which will hopefully be v0.80. No changes are being made to the code base at this point except those that fix bugs. Please test this release if you intend to make use of the new erasure-coded pools or cache tiers in firefly. This …Read more

  • March 22, 2014
    v0.78 released

    This development release includes two key features: erasure coding and cache tiering. A huge amount of code was merged for this release and several additional weeks were spent stabilizing the code base, and it is now in a state where it is ready to be tested by a broader user base. This is not the firefly release. …Read more

  • February 20, 2014
    v0.77 released

    This is the final development release before the Firefly feature freeze. The main items in this release include some additional refactoring work in the OSD IO path (include some locking improvements), per-user quotas for the radosgw, a switch to civetweb from mongoose for the prototype radosgw standalone mode, and a prototype leveldb-based backend for the …Read more

  • February 20, 2014
    v0.67.7 Dumpling released

    This Dumpling point release fixes a few critical issues in v0.67.6. All v0.67.6 users are urgently encouraged to upgrade. We also recommend that all v0.67.5 (or older) users upgrade. The v0.67.7 point release contains a number of important fixed for the OSD, monitor, and radosgw. Most significantly, a change that forces large object attributes to …Read more

  • February 4, 2014
    v0.76 released

    This release includes another batch of updates for firefly functionality. Most notably, the cache pool infrastructure now support snapshots, the OSD backfill functionality has been generalized to include multiple targets (necessary for the coming erasure pools), and there were performance improvements to the erasure code plugin on capable processors. The MDS now properly utilizes (and …Read more

  • January 15, 2014
    v0.75 released

    This is a big release, with lots of infrastructure going in for firefly. The big items include a prototype standalone frontend for radosgw (which does not require apache or fastcgi), tracking for read activity on the osds (to inform tiering decisions), preliminary cache pool support (no snapshots yet), and lots of bug fixes and other …Read more

  • January 2, 2014
    v0.74 released

    This release includes a few substantial pieces for Firefly, including a long-overdue switch to 3x replication by default and a switch to the “new” CRUSH tunables by default (supported since bobtail). There is also a fix for a long-standing radosgw bug (stalled GET) that has already been backported to emperor and dumpling. Upgrading: We now […]

  • December 22, 2013
    v0.72.2 Emperor released

    This is the second bugfix release for the v0.72.x Emperor series. We have fixed a hang in radosgw, and fixed (again) a problem with monitor CLI compatiblity with mixed version monitors. (In the future this will no longer be a problem.) Upgrading: The JSON schema for the ‘osd pool set …’ command changed slightly. Please […]

  • December 22, 2013
    v0.67.5 Dumpling released

    This release includes a few critical bug fixes for the radosgw, including a fix for hanging operations on large objects. There are also several bug fixes for radosgw multi-site replications, and a few backported features. Also, notably, the ‘osd perf’ command (which dumps recent performance information about active OSDs) has been backported. We recommend that […]

  • December 12, 2013
    v0.73 released

    This release, the first development release after emperor, includes many bug fixes and a few additional pieces of functionality. The first batch of larger changes will be landing in the next version, v0.74. Notable changes: mon: trim MDSMaps (Joao Eduardo Luis) ceph-kvstore-tool: expanded command set and capabilities (Joao Eduardo Luis) sysvinit, upstart: prevent both init […]

  • November 9, 2013
    v0.72 Emperor Released

    This is the fifth major release of Ceph, the fourth since adopting a 3-month development cycle. This release brings several new features, including multi-datacenter replication for the radosgw, improved usability, and lands a lot of incremental performance and internal refactoring work to support upcoming features in Firefly. Highlights include: common: improved crc32c performance librados: new […]

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