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20260824 - Move tar1090's /run to tmpfs to stop ~7 GB/day of SD-card writes #32

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Merged
Purple10101 merged 1 commit into from
Aug 24, 2026
+19 −1
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20260824 - Move tar1090's /run to tmpfs to stop ~7 GB/day of SD-card writes #32

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2 changes: 1 addition & 1 deletion config/default.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -103,7 +103,7 @@ save:
# tar1090-node configuration
# Note: tar1090 uses location.rx for receiver position (no separate tar1090.location needed)
tar1090:
adsb_source: "192.168.8.183,30005,beast_in" # External ADS-B feed (IP,PORT,PROTOCOL)
adsb_source: "" # Optional local ADS-B receiver (IP,PORT,PROTOCOL). Empty = rely on adsblol_fallback.
adsblol_fallback: true
adsblol_radius: 40

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9 changes: 9 additions & 0 deletions docker-compose.yml
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Expand Up @@ -124,7 +124,16 @@ services:
- RECEIVER_LON=${RECEIVER_LON:-0}
- ADSBLOL_RADIUS=${ADSBLOL_RADIUS:-40}
- PROXY_PORT=3005
# SD-card endurance: run the graphs1090 RRD set from the /run tmpfs below
# and write it back as a single gzipped tarball, instead of 48 scattered
# in-place RRD updates every 60s. Only effective because /run is tmpfs.
- GRAPHS1090_REDUCE_IO=true
tmpfs:
# /run holds volatile runtime state (readsb JSON at 1 Hz, tar1090 chunks,
# graphs1090 PNGs, s6 service dirs) and is tmpfs on any normal install.
# On the container overlay it cost ~7 GB/day of SD-card writes for ~8 KB/min
# of real data. exec is required: s6-overlay execs its service scripts here.
- /run:exec,size=64M
- /var/log:size=32M

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9 changes: 9 additions & 0 deletions staging/docker-compose.staging.yml
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Expand Up @@ -111,7 +111,16 @@ services:
- RECEIVER_LON=${RECEIVER_LON:--84.65191}
- ADSBLOL_RADIUS=${ADSBLOL_RADIUS:-40}
- PROXY_PORT=3005
# SD-card endurance: run the graphs1090 RRD set from the /run tmpfs below
# and write it back as a single gzipped tarball, instead of 48 scattered
# in-place RRD updates every 60s. Only effective because /run is tmpfs.
- GRAPHS1090_REDUCE_IO=true
tmpfs:
# /run holds volatile runtime state (readsb JSON at 1 Hz, tar1090 chunks,
# graphs1090 PNGs, s6 service dirs) and is tmpfs on any normal install.
# On the container overlay it cost ~7 GB/day of SD-card writes for ~8 KB/min
# of real data. exec is required: s6-overlay execs its service scripts here.
- /run:exec,size=64M
- /var/log:size=32M

adsb2dd:
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