diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/TODO | 21 |
1 files changed, 4 insertions, 17 deletions
@@ -243,8 +243,6 @@ bugs - osd pg split breaks if not all osds are up... -- osd pg split breaks if not all osds are up... - filestore performance notes - write ordering options @@ -294,8 +292,6 @@ filestore performance notes - rmw: rmw must block on prior fs writes. * JourningObjectStore interface needs work? -- separate reads/writes into separate op queues? -- greg @@ -305,7 +301,6 @@ greg later - document on-wire protocol -- authentication - client reconnect after long eviction; and slow delayed reconnect - repair - mds security enforcement @@ -327,9 +322,7 @@ rados - perl swig wrapper - 'rados call foo.bar'? - merge pgs -- destroy pg_pools - autosize pg_pools? -- security repair - namespace reconstruction tool @@ -346,6 +339,7 @@ repair kclient - mdsc: preallocate reply(ies?) +- mdsc: mempool for cap writeback? - osdc: combine request, request+reply messages into single pool. - ENOMEM - message pools @@ -364,26 +358,21 @@ kclient - inotify for updates from other clients? vfs issues -- real_lookup() race: - 1- hash lookup find no dentry - 2- real_lookup() takes dir i_mutex, but then finds a dentry - 3- drops mutex, then calld d_revalidate. if that fails, we return ENOENT (instead of looping?) -- vfs_rename_dir() - a getattr mask would be really nice filestore - make min sync interval self-tuning (ala xfs, ext3?) - get file csum? +- clonerange writeahead journal data into objects? btrfs - clone compressed inline extents - ioctl to pull out data csum? osd +- separate reads/writes into separate op queues? - gracefully handle ENOSPC - gracefully handle EIO? -- client session object - - track client's osdmap; and only share latest osdmap with them once! - what to do with lost objects.. continue peering? - segregate backlog from log ondisk? - preserve pg logs on disk for longer period @@ -434,7 +423,6 @@ mon - don't allow lpg_num expansion and osd addition at the same time? - how to shrink cluster? - how to tell osd to cleanly shut down -- mds injectargs N should take mds# or id. * should bcast to standy mds's. - paxos need to clean up old states. - default: simple max of (state count, min age), so that we have at least N hours of history, say? - osd map: trim only old maps < oldest "in" osd up_from @@ -443,8 +431,7 @@ osdmon - monitor needs to monitor some osds... pgmon -/- include osd vector with pg state - - check for orphan pgs +- check for orphan pgs - monitor pg states, notify on out? - watch osd utilization; adjust overload in cluster map |