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Add a cluster-backed message cache.

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This commit is contained in:
Jon Chambers
2020-07-09 09:34:20 -04:00
committed by Jon Chambers
parent 639898ec07
commit 6fc1b4c6c0
15 changed files with 690 additions and 59 deletions
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13
service/src/main/resources/lua/insert_item.lua
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@@ -1,7 +1,16 @@
-- keys: queue_key [1], queue_metadata_key [2], queue_total_index [3]
-- argv: message [1], current_time [2], sender (possibly null) [3], guid [4]
-- argv: message [1], current_time [2], sender (possibly null) [3], guid [4], messageId (possibly null) [5]
local messageId
if ARGV[5] ~= nil then
-- TODO: Remove this branch (and ARGV[5]) once the migration to a clustered message cache is finished
messageId = tonumber(ARGV[5])
redis.call("HSET", KEYS[2], "counter", messageId)
else
messageId = redis.call("HINCRBY", KEYS[2], "counter", 1)
end
local messageId = redis.call("HINCRBY", KEYS[2], "counter", 1)
redis.call("ZADD", KEYS[1], "NX", messageId, ARGV[1])
if ARGV[3] ~= "nil" then