mkfs.xfs slow performance with discards and object map
time mkfs.xfs -s size=4096 -f /dev/sda
#1 Updated by Vaibhav Bhembre over 6 years ago
I am attaching 2 files for lttng trace run captured while running: mkfs.xfs -s size=4096 -f /dev/sda.
- replay.100G.slow.bin - trace with object-map enabled.
- replay.100G.fast.bin - trace with object-map disabled.
Other images features that were common across both runs: layering, striping, exclusive-lock, deep-flatten.
size: 102400 MB in 25600 objects
order: 22 (4096 kB objects)
stripe unit: 4096 kB
stripe count: 1
Let me know if I can provide anything else. Thanks.
#2 Updated by Vaibhav Bhembre over 6 years ago
- File lttng_trace_10G_objectmap_enabled_slow.tar.gz added
- File lttng_trace_10G_objectmap_disabled_fast.tar.gz added
Attaching the raw lttng files for librbd runs. The new image is 10G instead of the 100G in the previous case, but all other attributes should match up.