funky-eyes commented on issue #7734:
URL:
https://github.com/apache/incubator-seata/issues/7734#issuecomment-3450373542
The primary impact of ThreadLocal on virtual threads is increased memory
usage and a small performance cost. By default, virtual threads are not pooled,
so ThreadLocals are reinitialized every time a virtual thread is created and
then discarded when that virtual thread ends. If this is a concern for your
workload, consider using a pool of virtual threads. Because virtual threads are
not platform threads and are extremely lightweight, pooling them uses very
little memory and avoids the large memory overhead associated with the -Xss
(stack size) parameter.
```
return new ThreadPoolExecutor(200, Integer.MAX_VALUE, 60L, TimeUnit.SECONDS,
new SynchronousQueue<>(),
Thread.ofVirtual().factory());
```
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