From e55a08964fa1fc9d01a6ba7a32cfd0e02e158bb2 Mon Sep 17 00:00:00 2001 From: Sage Weil Date: Tue, 14 Jan 2014 09:37:41 -0800 Subject: [PATCH] doc/release-notes: v0.75 Signed-off-by: Sage Weil --- PendingReleaseNotes | 2 +- doc/release-notes.rst | 81 +++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 82 insertions(+), 1 deletion(-) diff --git a/PendingReleaseNotes b/PendingReleaseNotes index 9a9a0c094d85f..38a669c64e3eb 100644 --- a/PendingReleaseNotes +++ b/PendingReleaseNotes @@ -1,4 +1,4 @@ -v0.75 +v0.76 ~~~~~ - 'rbd ls' on a pool which never held rbd images now exits with code diff --git a/doc/release-notes.rst b/doc/release-notes.rst index 115a0925643eb..9deccbef8afdd 100644 --- a/doc/release-notes.rst +++ b/doc/release-notes.rst @@ -2,6 +2,87 @@ Release Notes =============== +v0.75 +----- + +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 work +across the tree to get ready for the next batch of erasure coding +patches. + +For comparison, here are the diff stats for the last few versions:: + + v0.75 291 files changed, 82713 insertions(+), 33495 deletions(-) + v0.74 192 files changed, 17980 insertions(+), 1062 deletions(-) + v0.73 148 files changed, 4464 insertions(+), 2129 deletions(-) + +Upgrading +~~~~~~~~~ + +- The 'osd pool create ...' syntax has changed for erasure pools. + +- The default CRUSH rules and layouts are now using the latest and + greatest tunables and defaults. Clusters using the old values will + now present with a health WARN state. This can be disabled by + adding 'mon warn on legacy crush tunables = false' to ceph.conf. + + +Notable Changes +~~~~~~~~~~~~~~~ + +* common: bloom filter improvements (Sage Weil) +* common: fix config variable substitution (Loic Dachary) +* crush, osd: s/rep/replicated/ for less confusion (Loic Dachary) +* crush: refactor descend_once behavior; support set_choose*_tries for replicated rules (Sage Weil) +* librados: fix throttle leak (and eventual deadlock) (Josh Durgin) +* librados: read directly into user buffer (Rutger ter Borg) +* librbd: fix use-after-free aio completion bug #5426 (Josh Durgin) +* librbd: localize/distribute parent reads (Sage Weil) +* mds: fix Resetter locking (Alexandre Oliva) +* mds: fix cap migration behavior (Yan, Zheng) +* mds: fix client session flushing (Yan, Zheng) +* mds: fix many many multi-mds bugs (Yan, Zheng) +* misc portability work (Noah Watkins) +* mon, osd: create erasure style crush rules (Loic Dachary, Sage Weil) +* mon: 'osd crush show-tunables' (Sage Weil) +* mon: clean up initial crush rule creation (Loic Dachary) +* mon: improve (replicate or erasure) pool creation UX (Loic Dachary) +* mon: infrastructure to handle mixed-version mon cluster and cli/rest API (Greg Farnum) +* mon: mkfs now idempotent (Loic Dachary) +* mon: only seed new osdmaps to current OSDs (Sage Weil) +* mon: track osd features in OSDMap (Joao Luis, David Zafman) +* mon: warn if crush has non-optimal tunables (Sage Weil) +* mount.ceph: add -n for autofs support (Steve Stock) +* msgr: fix messenger restart race (Xihui He) +* osd, librados: fix full cluster handling (Josh Durgin) +* osd: add HitSet tracking for read ops (Sage Weil, Greg Farnum) +* osd: backfill to osds not in acting set (David Zafman) +* osd: enable new hashpspool layout by default (Sage Weil) +* osd: erasure plugin benchmarking tool (Loic Dachary) +* osd: fix XFS detection (Greg Farnum, Sushma Gurram) +* osd: fix copy-get omap bug (Sage Weil) +* osd: fix linux kernel version detection (Ilya Dryomov) +* osd: fix memstore segv (Haomai Wang) +* osd: fix several bugs with tier infrastructure +* osd: fix throttle thread (Haomai Wang) +* osd: preliminary cache pool support (no snaps) (Greg Farnum, Sage Weil) +* rados tool: fix listomapvals (Josh Durgin) +* rados: add 'crush location', smart replica selection/balancing (Sage Weil) +* rados: some performance optimizations (Yehuda Sadeh) +* rbd: add rbdmap support for upstart (Laurent Barbe) +* rbd: expose kernel rbd client options via 'rbd map' (Ilya Dryomov) +* rbd: fix bench-write command (Hoamai Wang) +* rbd: support for 4096 mapped devices, up from ~250 (Ilya Dryomov) +* rgw: allow multiple frontends (Yehuda Sadeh) +* rgw: convert bucket info to new format on demand (Yehuda Sadeh) +* rgw: fix misc CORS bugs (Robin H. Johnson) +* rgw: prototype mongoose frontend (Yehuda Sadeh) + + + v0.74 -----