Note

Go escape analysis

September 20, 2023
Go, Escape Analysis
Note

The meaning of escapes to the heap is variables needs to be shared across the function stack frames [between main() and Println()] … … So globally access variables must be moved to heap as it requires runtime. So the output line 11:2 shows the same as the data variable moved to the heap memory. From

What are you preparing to do?

September 20, 2023
Do
Note

他想做的事情,与你想他做的事情,与你在做的事情。 这些事情之间是否存在交集,如果一点都没有,那不就是事与愿违了吗?

查找并杀掉运行中事务

September 15, 2023
Mysql
Note

查找并杀掉运行中事务 # -- 获取线程id然后杀掉 SELECT * FROM information_schema.innodb_trx; kill 36272; kill 36275; kill 35971; kill 35972; -- 其它 select * from performance_schema.events_statements_current; show processlist; 查看锁使用情况 # SELECT object_name, index_name, lock_type, lock_mode, lock_data FROM performance_schema.data_locks;