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metrics - restore values in case of a reload

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fl0ppy-d1sk 2024-02-01 18:50:44 +01:00
parent ec4a5647fc
commit 6885c32f77
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1 changed files with 14 additions and 0 deletions
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14
src/common/core/metrics/metrics.lua
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@ -113,6 +113,20 @@ function metrics:timer()
if not is_needed then
return self:ret(true, "metrics not used")
end
-- Purpose of following code is to populate the LRU cache.
-- In case of a reload, everything in LRU cache is removed
-- so we need to copy it from SHM cache if it exists.
local setup = lru:get("setup")
if not setup then
local requests, err = self.metrics_datastore:get("requests_" .. tostring(worker_id()))
if not requests and err ~= "not found" then
self.logger:log(ERR, "error while checking datastore : " .. err)
end
if requests then
lru:set("requests", decode(requests))
end
lru:set("setup", true)
end
-- Get worker requests
local requests = lru:get("requests")
if not requests then