Lock objects should only be shared between processes through inheritance
be lock Only between shared should Objects Through
2023-09-14 08:57:14 时间
python的进程同步需要使用multiprocessing.Manager类型的对象来构造,普通的Lock不行
def main(): iterable = [1, 2, 3, 4, 5] pool = multiprocessing.Pool() m = multiprocessing.Manager() l = m.Lock() func = partial(target, l) pool.map(func, iterable) pool.close() pool.join()
相关文章
- SqlBulkCopy – The given value of type String from the data source cannot be converted to type
- ORA-00723: Initialization parameter COMPATIBLE must be explicitly set ORACLE 报错 故障修复 远程处理
- ORA-00820: Specified value of sga_max_size is too small, needs to be at least stringM ORACLE 报错 故障修复 远程处理
- ORA-24170: string.string is created by AQ, cannot be dropped directly ORACLE 报错 故障修复 远程处理
- ORA-25966: join index cannot be based on an index organized table ORACLE 报错 故障修复 远程处理
- ORA-28403: file string cannot be modified because it is an online data file ORACLE 报错 故障修复 远程处理
- ORA-38452: Expression Filter index name may not be longer than 25 characters ORACLE 报错 故障修复 远程处理
- ORA-54020: Virtual column expression cannot be changed because it is a subpartitioning column ORACLE 报错 故障修复 远程处理
- ORA-55630: Flashback Data Archive cannot be enabled on this object ORACLE 报错 故障修复 远程处理
- ORA-00062: DML full-table lock cannot be acquired; DML_LOCKS is 0 ORACLE 报错 故障修复 远程处理
- ORA-00847: MEMORY_TARGET/MEMORY_MAX_TARGET and LOCK_SGA cannot be set together ORACLE 报错 故障修复 远程处理
- ORA-13859: Action cannot be specified without the module specification ORACLE 报错 故障修复 远程处理
- ORA-14080: partition cannot be split along the specified high bound ORACLE 报错 故障修复 远程处理
- ORA-14153: only one of STORE IN or clause may be specified ORACLE 报错 故障修复 远程处理
- 实施SQLserver BE环境构建与实施探索(sqlserver be)
- MySQL中使用Lock锁的方法及应用场景(mysql中lock锁)