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Fix memory_usage lua script

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This commit is contained in:
Ken Hibino 2022-03-23 16:21:45 -07:00
parent 8a4fb71dd5
commit 0cfa7f47ba
1 changed files with 21 additions and 19 deletions
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40
internal/rdb/inspect.go
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@ -293,28 +293,30 @@ for i=3,6 do
end
end
local group_names = redis.call("SRANDMEMBER", KEYS[7], tonumber(ARGV[3]))
local group_sample_total = 0
for _, gname in ipairs(group_names) do
local group_key = ARGV[4] .. gname
local ids = redis.call("ZRANGE", group_key, 0, sample_size - 1)
local sample_total = 0
if (table.getn(ids) > 0) then
for _, id in ipairs(ids) do
local bytes = redis.call("MEMORY", "USAGE", ARGV[1] .. id)
sample_total = sample_total + bytes
if (table.getn(group_names) > 0) then
local group_sample_total = 0
for _, gname in ipairs(group_names) do
local group_key = ARGV[4] .. gname
local ids = redis.call("ZRANGE", group_key, 0, sample_size - 1)
local sample_total = 0
if (table.getn(ids) > 0) then
for _, id in ipairs(ids) do
local bytes = redis.call("MEMORY", "USAGE", ARGV[1] .. id)
sample_total = sample_total + bytes
end
local n = redis.call("ZCARD", group_key)
local avg = sample_total / table.getn(ids)
group_sample_total = group_sample_total + (avg * n)
end
local m = redis.call("MEMORY", "USAGE", group_key)
if (m) then
group_sample_total = group_sample_total + m
end
local n = redis.call("ZCARD", group_key)
local avg = sample_total / table.getn(ids)
group_sample_total = group_sample_total + (avg * n)
end
local m = redis.call("MEMORY", "USAGE", group_key)
if (m) then
group_sample_total = group_sample_total + m
end
local group_size = redis.call("SCARD", KEYS[7])
local group_memusg_avg = group_sample_total / table.getn(group_names)
memusg = memusg + (group_memusg_avg * group_size)
end
local group_size = redis.call("SCARD", KEYS[7])
local group_memusg_avg = group_sample_total / table.getn(group_names)
memusg = memusg + (group_memusg_avg * group_size)
return memusg
`)