发布于 2014-11-12 03:32:33 | 475 次阅读 | 评论: 0 | 来源: 网友投递
Ceph PB 级分布式文件系统
Ceph是一个 Linux PB 级分布式文件系统。Ceph 最初是一项关于存储系统的 PhD 研究项目，由 Sage Weil 在 University of California, SantaCruz（UCSC）实施。
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。
Ceph是一个 Linux PB 级分布式文件系统。Ceph 最初是一项关于存储系统的 PhD 研究项目，由 Sage Weil 在 University of California, SantaCruz（UCSC）实施。
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)
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。