Wed Mar 08 12:44:43 GMT 2023

threadlocal

There is a little bit performance cost for threadlocal variable - http://software.intel.com[..]ost-of-accessing-thread-local-variables/

Look like a useful but less known API - http://crazybob.org/2006/07/hard-core-java-threadlocal.html

Forward up discussion - http://www.theserverside.com[..]d_id=41473&asrc=EM_NNL_406677&uid=703565 pointing out some problems of using this technique, include similar effect of GLOBLE , possible memory leak

Another discussion in higher level - http://blog.objectmentor.com[..]04/thread-local-a-convenient-abomination , Key is "An object is an abstraction of function. A thread is an abstraction of schedule" , you can read further conclusion at http://www.infoq.com/news/2007/09/confusing_uow_with_threads

Protential issue of using threadlocal, one is memory leak and the other is it is that local - http://blog.maxant.co.uk/pebble/2008/09/23/1222200780000.html http://www.javacodegeeks.com[..]hreading-stories-threadlocal-in-web.html
http://plumbr.eu[..]shoot-yourself-in-foot-with-threadlocals

The beauty of the design of threadlocal, how it prevent locking and memory leaking - http://plumbr.eu/blog/how-is-threadlocal-implemented

JEP 429: Extent-Local Variables to Promote Immutability in Java - https://www.infoq.com/news/2022/09/extent-local-variables-java/

An Introduction to Scoped Values in Java - https://foojay.io/today/an-introduction-to-scoped-values-in-java/


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