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https://issues.apache.org/jira/browse/TS-4102?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15073984#comment-15073984
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James Fang commented on TS-4102:
--------------------------------

is it because the cache2arg takes too long to complete ?

but i found the seems "infinite loop" not occuring on the first lua_newstate

> sha1.lua cause ts_lua dead loop
> -------------------------------
>
>                 Key: TS-4102
>                 URL: https://issues.apache.org/jira/browse/TS-4102
>             Project: Traffic Server
>          Issue Type: Bug
>          Components: Lua
>            Reporter: James Fang
>
> Requiring sha1 from https://luarocks.org/modules/kikito/sha1 
> in global hook mode would cause ts_lua to dead-loop and 100% cpu util, then 
> killed by TM & restarted.
> This creates a "start -> high cpu dead-loop -> killed" dead end.
> By chaning "local PRELOAD_CACHE = true" in sha1.lua to "local PRELOAD_CACHE = 
> false", ts_lua will started successfully.
> i am not sure if this is a bug of luajit/sha1/ts_lua, but requires sha1 from 
> bare luajit command-line without disable PRELOAD_CACHE works fine.



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