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--
-- (C) 2013-22 - ntop.org
--
local dirs = ntop.getDirs()
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
-- ########################################################
local prefs = ntop.getPrefs()
-- ########################################################
-- when the active local hosts cache is enabled, ntopng periodically dumps active local hosts statistics to redis
-- in order to protect from failures (e.g., power losses)
if prefs.is_active_local_hosts_cache_enabled then
local interval = prefs.active_local_hosts_cache_interval
local when = os.time()
local diff = when % tonumber((interval or 3600 --[[ default 1 h --]]))
if diff < 60 then
-- to protect from failures (e.g., power losses) it is possible to save
-- local hosts counters to redis once per hour
interface.dumpLocalHosts2redis()
end
end
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