kerubistan / kerub

A lightweight IaaS prototype
Apache License 2.0
13 stars 4 forks source link

lvmcache step #223

Open K0zka opened 6 years ago

K0zka commented 6 years ago

to improve IO of some virtual storage devices (where needed)

K0zka commented 6 years ago

depends on block device performance benchmarking - fio preferably or bonnie++ as fallback

/sys/block/sdX/queue/rotational could be used as hint (SSD or spinning disk)

K0zka commented 6 years ago

192 bonnie

K0zka commented 5 years ago

right now only filesystems get benchmarked, not block devices e.g. for a VG, each PV, or at least all different kind of PVs should be benchmarked. Based on thic benchmark information, one could estimate the latency after the cache is created.