如何清空threadlocal
时间: 2023-11-25 14:51:59 浏览: 37
根据提供的引用内容,ThreadLocal在没有强引用进行应用时,会造成内存泄漏。为了避免这种情况的发生,我们需要清空ThreadLocal。具体方法如下:
1.在使用完ThreadLocal后,调用remove()方法清空ThreadLocal,代码如下:
```python
thread_local = threading.local()
thread_local.x = 1
thread_local.y = 2
thread_local.z = 3
thread_local.remove()
```
2.在使用完ThreadLocal后,将ThreadLocal设置为None,代码如下:
```python
thread_local = threading.local()
thread_local.x = 1
thread_local.y = 2
thread_local.z = 3
thread_local = None
```
3.在使用完ThreadLocal后,将ThreadLocalMap中的所有key为null的数据清理掉,代码如下:
```python
import threading
def clear_thread_local():
current_thread = threading.current_thread()
if hasattr(current_thread, '_thread_local__key'):
current_thread._thread_local__key = None
current_thread._thread_local__args = None
current_thread._thread_local__kwargs = None
```
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