Solved How to run heavy code sync?

Discussion in 'Plugin Development' started by Tim_M, Oct 2, 2021.

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    Tim_M

    I have VERY heavy code that needs to run. (It takes about 7 hours to run!) My testing server would always time out and shut down. This can be bypassed by increasing the time-out significantly, but I don't really want to do that. The reason I can't use async is because: 1) It takes even longer to run. 2) I am accessing the bukkit API.

    Any help would be appreciated.
     
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    Strahan

    Is it something that can be parceled out into batches?
     
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    davidclue

    @Tim_M Can't you just run it in a CompletableFuture task to fix the first problem and use
    Code:
    Bukkit.getScheduler().runTask();
    To solve the second problem? Also what API are you accessing? A lot of bukkit API is thread-safe so make sure to check that out.
     
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    Tim_M

    It's not thread safe, when ran async it would cause tons of errors in console which aren't there when not ran async.

    Not sure. I'm saving 10k*10k*256 blocks into files on disk.

    EDIT by Moderator: merged posts, please use the edit button instead of double posting.
     
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    davidclue

    @Tim_M Well actually calling getBlock on a loaded chunk is thread-safe so why not on the main thread load chunks which have zero impact if you go about it at a steady pace and then from an async task grab every block and save it. I am not sure if setType is thread-safe keep that in mind you probably won't be able to modify blocks just get their type.
     
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    Tim_M

    Thank you for the response I found and fixed the error. I ended up using the NMS getBlock equivelant, which just so happened to not cause any errors and is much faster. Marking Solved.
     
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