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Move arr tracked-data cache to tmpfs, keep disk copy as persistent backup

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Reads/writes now hit tmpfs (ARR_CACHE_DIR) instead of the array disk --
a full rebuild for all three arrs measures ~12s live, so there's no real
cost to losing it on reboot. The existing on-disk file becomes a backup
that arr_cache_write() keeps in sync on every write, and
arr_cache_age_seconds() transparently restores it into tmpfs the moment
it notices tmpfs is missing -- so a cache that was fresh before reboot
reads as fresh after too, closing the cold-start gap without needing a
dedicated restore step anywhere else.
This commit is contained in:
Gmer4Lfe
2026-07-16 23:44:26 -04:00
parent 5866097d6a
commit 9d27fac3b1
2 changed files with 30 additions and 7 deletions
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load_config.sh
+2 -1
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@@ -136,7 +136,8 @@
LOG_DIR="/var/log/varaverk"
VV_CACHE_DIR="/tmp/vv_cache"
CONF_RAM_CACHE_DIR="/tmp/.cache/vv/d" # tmpfs — cleared every reboot, repopulated by conf_sync.sh
export CONF_DIR LOG_DIR VV_CACHE_DIR CONF_RAM_CACHE_DIR
ARR_CACHE_DIR="/tmp/arr_cache" # tmpfs — cleared every reboot, restored from DATA_DIR backup by arr_cache_age_seconds()
export CONF_DIR LOG_DIR VV_CACHE_DIR CONF_RAM_CACHE_DIR ARR_CACHE_DIR
# ━━━ Cleanup ━━━
unset _conf _host_confs_loaded _adapter LOAD_CONFIG_DIR