Threadlocal v/s Synchronization
hi guys
I was reading through Threadlocal v/s Synchronization and comtemplating which one to use.
Is threadlocal an alternative to synchronization when it comes to scalability in high performance systems?
thanks
I was reading through Threadlocal v/s Synchronization and comtemplating which one to use.
Is threadlocal an alternative to synchronization when it comes to scalability in high performance systems?
thanks
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I wouldn't think about it as an alternative for synchronisation. Instead think of it as another tool for dealing with threading issues. Understanding ThreadLocal and synchronisation will help you to determine which is the most appropriate in different scenarios.
For example if you have a huge objects that many threads are accessing then ThreadLocal may not be ideal as you are creating a new instance for each thread.
ThreadLocal is also not going to help you when your threads need to share data, thats more a job for synchonisation.
For example if you have a huge objects that many threads are accessing then ThreadLocal may not be ideal as you are creating a new instance for each thread.
ThreadLocal is also not going to help you when your threads need to share data, thats more a job for synchonisation.
In general use ThreadLocal when you have multiple threads that each need their own copy of local data.
And synchronisation when multiple threads need to share some piece of data.
And synchronisation when multiple threads need to share some piece of data.
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thanks.