[zfs-discuss] What other_data goes in ARC?
j.david.lists at gmail.com
Wed Dec 16 09:10:51 EST 2015
While researching our hang issue, something came up I did not understand.
With a system with 20G of RAM with zfs_arc_max set to 16G and
zfs_arc_meta_limit set to 15G we saw this:
c_max 4 17179869184
size 4 16091640384
hdr_size 4 798517064
data_size 4 43436544
metadata_size 4 12132702208
other_size 4 3116984568
anon_size 4 11641344
In case that’s hard to read, that’s:
- 762M of headers
- 41M of actual cached data (ouch!)
- 11.3G of metadata
- 2.9G of other_data
What is all that other_data that is stored in ARC? (Google didn’t
really help me on this one.)
Thanks for any help!
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