Ceph 0.88 发布，此版本现已提供下载，是第一个 Giant 之后的开发版本。 Ceph 0.88 版本包括两个主要的特性：新的 AsyncMessenger（网络层的另一个实现版本），由 UnitedStack 的 Haomai Wang 制作；ceph-fuse 和 libcephfs 支持 POSIX 文件锁，由 Yan，Zheng 制作。同时，提升了 Giant 的稳定性，一些性能提升和 bug 修复，添加了一些 LTTNG 追踪点。 值得关注的新特性： ceph-disk: Scientific Linux support (Dan van der Ster) ceph-disk: respect –statedir for keyring (Loic Dachary) ceph-fuse, libcephfs: POSIX file lock support (Yan, Zheng) ceph-fuse, libcephfs: fix cap flush overflow (Greg Farnum, Yan, Zheng) ceph-fuse, libcephfs: fix root inode xattrs (Yan, Zheng) ceph-fuse, libcephfs: preserve dir ordering (#9178 Yan, Zheng) ceph-fuse, libcephfs: trim inodes before reconnecting to MDS (Yan, Zheng) ceph: do not parse injectargs twice (Loic Dachary) ceph: make ‘ceph -s’ output more readable (Sage Weil) ceph: new ‘ceph tell mds.$name_or_rank_or_gid’ (John Spray) ceph: test robustness (Joao Eduardo Luis) ceph_objectstore_tool: behave with sharded flag (#9661 David Zafman) cephfs-journal-tool: fix journal import (#10025 John Spray) cephfs-journal-tool: skip up to expire_pos (#9977 John Spray) cleanup rados.h definitions with macros (Ilya Dryomov) common: shared_cache unit tests (Cheng Cheng) config: add $cctid meta variable (Adam Crume) crush: fix buffer overrun for poorly formed rules (#9492 Johnu George) crush: improve constness (Loic Dachary) crushtool: add –location <id> command (Sage Weil, Loic Dachary) default to libnss instead of crypto++ (Federico Gimenez) doc: ceph osd reweight vs crush weight (Laurent Guerby) doc: document the LRC per-layer plugin configuration (Yuan Zhou) doc: erasure code doc updates (Loic Dachary) doc: misc updates (Alfredo Deza, VRan Liu) doc: preflight doc fixes (John Wilkins) doc: update PG count guide (Gerben Meijer, Laurent Guerby, Loic Dachary) keyvaluestore: misc fixes (Haomai Wang) keyvaluestore: performance improvements (Haomai Wang) librados: add rados_pool_get_base_tier() call (Adam Crume) librados: cap buffer length (Loic Dachary) librados: fix objecter races (#9617 Josh Durgin) libradosstriper: misc fixes (Sebastien Ponce) librbd: add missing python docstrings (Jason Dillaman) librbd: add readahead (Adam Crume) librbd: fix cache tiers in list_children and snap_unprotect (Adam Crume) librbd: fix performance regression in ObjectCacher (#9513 Adam Crume) librbd: lttng tracepoints (Adam Crume) librbd: misc fixes (Xinxin Shu, Jason Dillaman) mds: fix sessionmap lifecycle bugs (Yan, Zheng) mds: initialize root inode xattr version (Yan, Zheng) mds: introduce auth caps (John Spray) mds: misc bugs (Greg Farnum, John Spray, Yan, Zheng, Henry Change) misc coverity fixes (Danny Al-Gaaf) mon: add ‘ceph osd rename-bucket …’ command (Loic Dachary) mon: clean up auth list output (Loic Dachary) mon: fix ‘osd crush link’ id resolution (John Spray) mon: fix misc error paths (Joao Eduardo Luis) mon: fix paxos off-by-one corner case (#9301 Sage Weil) mon: new ‘ceph pool ls [detail]’ command (Sage Weil) mon: wait for writeable before cross-proposing (#9794 Joao Eduardo Luis) msgr: avoid useless new/delete (Haomai Wang) msgr: fix delay injection bug (#9910 Sage Weil, Greg Farnum) msgr: new AsymcMessenger alternative implementation (Haomai Wang) msgr: prefetch data when doing recv (Yehuda Sadeh) osd: add erasure code corpus (Loic Dachary) osd: add misc tests (Loic Dachary, Danny Al-Gaaf) osd: cleanup boost optionals (William Kennington) osd: expose non-journal backends via ceph-osd CLI (Hoamai Wang) osd: fix JSON output for stray OSDs (Loic Dachary) osd: fix ioprio options (Loic Dachary) osd: fix transaction accounting (Jianpeng Ma) osd: misc optimizations (Xinxin Shu, Zhiqiang Wang, Xinze Chi) osd: use FIEMAP_FLAGS_SYNC instead of fsync (Jianpeng Ma) rados: fix put of /dev/null (Loic Dachary) rados: parse command-line arguments more strictly (#8983 Adam Crume) rbd-fuse: fix memory leak (Adam Crume) rbd-replay-many (Adam Crume) rbd-replay: –anonymize flag to rbd-replay-prep (Adam Crume) rbd: fix ‘rbd diff’ for non-existent objects (Adam Crume) rbd: fix error when striping with format 1 (Sebastien Han) rbd: fix export for image sizes over 2GB (Vicente Cheng) rbd: use rolling average for rbd bench-write throughput (Jason Dillaman) rgw: send explicit HTTP status string (Yehuda Sadeh) rgw: set length for keystone token validation request (#7796 Yehuda Sadeh, Mark Kirkwood) udev: fix rules for CentOS7/RHEL7 (Loic Dachary) use clock_gettime instead of gettimeofday (Jianpeng Ma) vstart.sh: set up environment for s3-tests (Luis Pabon) GETTING CEPH Git at git://github.com/ceph/ceph.git Tarball at http://ceph.com/download/ceph-0.88.tar.gz For packages, see http://ceph.com/docs/master/install/get-packages For ceph-deploy, see http://ceph.com/docs/master/install/install-ceph-deploy 更多请看发行说明。 Ceph 0.88 开发版发布，分布式文件系统下载地址
