lightdb切换wal日志
zjh@mydb_for_ora=# insert into big_table select id,uuid() from generate_series(1,1000) id; INSERT 0 1000 zjh@mydb_for_ora=# select pg_switch_wal(); pg_switch_wal --------------- 0/40022D20 (1 row)
查看LSN所在的文件
select pg_walfile_name('1/521B5A70');