All LUA functions that are invoked by server tasks as well as all predefined event callbacks (cf. Section 4.6.11) are called in the same thread context. This means that these functions are not executed independent of each other – they are executed one by one. Especially if a lot of functionality is implemented in a LUA function i.e. if it contains a lot of LUA code, this may be a disadvantage because a long execution of a LUA function may block other LUA function.
In order to be able to implement time consuming tasks, so called LUA Apps are available. LUA Apps are executed
within a separate thread within the LUA engine. This means that LUA Apps are executed to some extend in parallel without block each other.
LUA Apps are invoked using the following LUA function:
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