Skip to content

Tweak nfs mount options for performance #1429

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 2 commits into from
Nov 5, 2025
Merged

Tweak nfs mount options for performance #1429

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
84581bd
tweak nfs mount options for performance
djeebus Oct 31, 2025
2942fde
clean up options
djeebus Oct 31, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
20 changes: 15 additions & 5 deletions iac/provider-gcp/nomad-cluster/main.tf
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4,12 +4,22 @@ locals {
nfs_mount_path = "/orchestrator/shared-store"
nfs_mount_subdir = "chunks-cache"
nfs_mount_opts = join(",", [ // for more docs, see https://linux.die.net/man/5/nfs
"tcp", // docs say to avoid it on highspeed connections
format("nfsvers=%s", var.filestore_cache_enabled ? module.filestore[0].nfs_version == "NFS_V3" ? "3" : "4" : ""),
"lookupcache=none", // do not cache file handles
"noac", // do not use attribute caching
"noacl", // do not use an acl
"nolock", // do not use locking

"actimeo=600", // cache attributes for 60 seconds
"async", // delay writes until certain conditions are met
"hard", // retry nfs requests indefinitely until they succeed, never fail
"lookupcache=positive", // cache successful file handle lookups
"nconnect=7", // use multiple connections
"noacl", // do not use an acl
"nocto", // skip "close-to-open" attribute checks
"nolock", // do not use locking
"noresvport", // use a non-privileged source port
"retrans=2", // retry two times before performing recovery actions
"rsize=1048576", // receive 1 MB per read request
"sec=sys", // use AUTH_SYS for all requests
"timeo=600", // wait 60 seconds (measured in deci-seconds) before retrying a failed request
"wsize=1048576", // receive 1 MB per write request
])

file_hash = {
Expand Down
Loading