diff options
| author | Paul Buetow <paul@buetow.org> | 2026-07-12 09:08:27 +0300 |
|---|---|---|
| committer | Paul Buetow <paul@buetow.org> | 2026-07-12 09:08:27 +0300 |
| commit | 65b728742d07173b52cd714288b1aa3491b8316c (patch) | |
| tree | 65ac3b96cb6b69fe14aa1ce506973e9bfc5e8274 /f3s | |
| parent | 37d88cfedf8a387930332ee53091cff6bd8dc7a7 (diff) | |
Fix swap and FreeBSD memory alert thresholds
Diffstat (limited to 'f3s')
| -rw-r--r-- | f3s/prometheus/freebsd-recording-rules.yaml | 15 | ||||
| -rw-r--r-- | f3s/prometheus/manifests/freebsd-recording-rules.yaml | 15 |
2 files changed, 24 insertions, 6 deletions
diff --git a/f3s/prometheus/freebsd-recording-rules.yaml b/f3s/prometheus/freebsd-recording-rules.yaml index edc4429..c2a747d 100644 --- a/f3s/prometheus/freebsd-recording-rules.yaml +++ b/f3s/prometheus/freebsd-recording-rules.yaml @@ -16,10 +16,19 @@ spec: labels: os: freebsd - # Synthetic MemAvailable for FreeBSD - # Available = free + inactive + cache (approximation) + # Synthetic MemAvailable for FreeBSD. Laundry pages are reclaimable + # after writeback, as is the portion of ZFS ARC above its minimum. - record: node_memory_MemAvailable_bytes - expr: node_memory_free_bytes{os="freebsd"} + node_memory_inactive_bytes{os="freebsd"} + node_memory_cache_bytes{os="freebsd"} + expr: | + node_memory_free_bytes{os="freebsd"} + + node_memory_inactive_bytes{os="freebsd"} + + node_memory_cache_bytes{os="freebsd"} + + node_memory_laundry_bytes{os="freebsd"} + + clamp_min( + node_zfs_arcstats_size_bytes{os="freebsd"} + - node_zfs_arcstats_c_min_bytes{os="freebsd"}, + 0 + ) labels: os: freebsd diff --git a/f3s/prometheus/manifests/freebsd-recording-rules.yaml b/f3s/prometheus/manifests/freebsd-recording-rules.yaml index 501a54c..e543787 100644 --- a/f3s/prometheus/manifests/freebsd-recording-rules.yaml +++ b/f3s/prometheus/manifests/freebsd-recording-rules.yaml @@ -18,10 +18,19 @@ spec: labels: os: freebsd - # Synthetic MemAvailable for FreeBSD - # Available = free + inactive + cache (approximation) + # Synthetic MemAvailable for FreeBSD. Laundry pages are reclaimable + # after writeback, as is the portion of ZFS ARC above its minimum. - record: node_memory_MemAvailable_bytes - expr: node_memory_free_bytes{os="freebsd"} + node_memory_inactive_bytes{os="freebsd"} + node_memory_cache_bytes{os="freebsd"} + expr: | + node_memory_free_bytes{os="freebsd"} + + node_memory_inactive_bytes{os="freebsd"} + + node_memory_cache_bytes{os="freebsd"} + + node_memory_laundry_bytes{os="freebsd"} + + clamp_min( + node_zfs_arcstats_size_bytes{os="freebsd"} + - node_zfs_arcstats_c_min_bytes{os="freebsd"}, + 0 + ) labels: os: freebsd |