(...)
On some services, there are document directories that are huge, not that
much in size (about 35 gigs), but in number of files, around one million.
One service even has 3 data directories with that many files each.
(...)
We're leaning towards changing the file system for those document
directories (agian hierachy of, not 1 mil files per directory ;-) to ext4.
One or two question pops in my mind.
1. Can a node mount the volume read-write, while another one mount it
read-only ?
2. I curently experience intermitent high i/o contention on the volume
containing this data, the website still responds fase, but images takes more
time to load when it arrives. I highly suspects, that since it's a ton of
files spread trough out the disk, the it's the added latency of GFS that
causes my problem.
So, how will perform an ext4 files over fiber versus a local one ?
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