[LU-7895] zfs metadata performance improvements

• Status: Resolved
• Project: Lustre
• Fix Version/s: Lustre 2.10.0
• Type: Improvement
• Priority: Major
• Reporter: Alex Zhuravlev
• Assignee: Alex Zhuravlev
• Resolution: Fixed
• Labels: performance, zfs

Issue Links

• is blocked by: LU-2435 inode accounting in osd-zfs is racy
• is blocked by: LU-8873 use sa_handle_get_from_db()
• is blocked by: LU-4009 Add ZIL support to osd-zfs
• is blocked by: LU-7897 infrastructure to benchmark layers wi...
• is blocked by: LU-7909 new stats to track time spent in spec...
• is blocked by: LU-7911 benchmark quota overhead
• is blocked by: LU-8978 improve conurrency in ZFS's SA
• is blocked by: LU-7906 osd-zfs should not set blocksize on MDT
• is blocked by: LU-7251 reduce commit callbacks in OSP
• is blocked by: LU-7896 lu_object_limit() is called too frequ...
• is blocked by: LU-7898 remove unnecessary declarations from ...
• is blocked by: LU-7899 osd_xattr_set() to batch actual EA up...
• is blocked by: LU-7900 lu_object_assign_fid() doesn't need t...
• is blocked by: LU-7901 osd-zfs doesn't need to allocate bulk...
• is blocked by: LU-7902 osd_attr_set() can be turned into a n...
• is blocked by: LU-7904 osd_fid_lookup() should honor LOC_F_NEW
• is blocked by: LU-7905 osd-zfs should pin OI objects
• is blocked by: LU-7908 fake object precreation for benchmark...
• is blocked by: LU-7910 osd_dir_insert() should not use LU ca...
• is blocked by: LU-7918 remove unnecessary declarations in MD...
• is blocked by: LU-8068 Large ZFS Dnode support
• is blocked by: LU-8928 osd-zfs should use dnode_t instead of...
• is blocked by: LU-7929 allocate per-tx context on demand
• is blocked by: LU-8977 land patch adding by-dnode methods to...
• is blocked by: LU-9027 osd-zfs to dump SA stats
• is related to: LU-4444 conf-sanity test_69: ZFS took too lon...
• is related to: LU-8882 osd-zfs to use bynode methods

Comments

[Ned Bass]

This patch may be of interest for improving object creation rates.

https://github.com/zfsonlinux/zfs/pull/4460

[Alex Zhuravlev]

thanks Ned

[Andreas Dilger]

Closing this ticket as a large number of the ZFS metadata improvements were included in 2.10. New tickets can be created for future work.