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Editorial Team
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Asked: 2026-05-30T17:54:07+00:00

I have a application which is deployed in tomcat 6 In this application I

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I have a application which is deployed in tomcat 6
In this application I have created a thread class which fetches 1000 records from a table and process them and store in 4 different tables in DataBase.
I am running two threads at a time to protect the process from deadlock.
Is there any way to schedule these threads accordingly to my cpu utilization.
ie. If there no cpu left then new thread will not be created.

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  1. Editorial Team

    If I correctly understood your issue, I think this case is considered in Joshua Bloch’s 2nd edition of “Effective Java”:

    If a server is so heavily loaded that all of its CPUs are fully
    utilized, and more tasks arrive, more threads will be created, which
    will only make matters worse. Therefore, in a heavily loaded
    production server, you are much better off using
    Executors.newFixedThreadPool, which gives you a pool with a fixed
    number of threads, or using the ThreadPoolExecutor class directly, for
    maximum control.

    Though I haven’t tried yet, using Executors seems to be a great idea.

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