mirror of
https://github.com/fawney19/Aether.git
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elky
ecc16673eb
Bound request, stream, queue, and shutdown resource lifetimes. Reduce scheduler and Redis hot-path work and isolate database maintenance. Include regression coverage, load probes, and concurrency audit results.
36 lines
1.5 KiB
Lua
36 lines
1.5 KiB
Lua
local rule_count = tonumber(table.remove(ARGV, 1))
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local swaps = #KEYS - rule_count
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local ttls = {}
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-- WATCH covers every source, including modifications made by older instances.
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-- Check every temporary key and every permission before replacing any source.
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for i = 1, swaps do
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local position = rule_count * 3 + 2 + (i - 1) * 2
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local index = tonumber(ARGV[position + 1])
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local live = tonumber(ARGV[position + 2])
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local source, target = KEYS[index], KEYS[rule_count + i]
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local ttl = redis.call('PTTL', source)
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if ttl == 0 or ttl < -1 or redis.call('ZCARD', target) ~= live then return {2} end
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if not redis.acl_check_cmd('UNLINK', source)
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or not redis.acl_check_cmd('RENAME', target, source)
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or not redis.acl_check_cmd('PEXPIRE', target, math.max(1, ttl))
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or not redis.acl_check_cmd('PERSIST', target) then
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return redis.error_reply('usage copy commit permission denied')
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end
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ttls[i] = ttl
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end
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for i = 1, swaps do
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local position = rule_count * 3 + 2 + (i - 1) * 2
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local index = tonumber(ARGV[position + 1])
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local source, target = KEYS[index], KEYS[rule_count + i]
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if ttls[i] > 0 then
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redis.call('PEXPIRE', target, ttls[i])
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else
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redis.call('PERSIST', target)
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end
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redis.call('UNLINK', source)
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redis.call('RENAME', target, source)
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end
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for i = #KEYS, rule_count + 1, -1 do KEYS[i] = nil end
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ARGV[rule_count * 3 + 3] = 'inline'
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-- The original prune/check/consume script follows in this same EXEC/EVAL.
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