don「t go on vacation while holding exclusive locks on files.
对文件进行锁定之后不要跑去休假。
don」t hold exclusive locks any longer than necessary.
在不必要的时候不要再保持独立锁。
the most recent version of the nfs protocol, nfsv4, provides lease-based exclusive locks on files as does cifs.
nfs最近的版本,nfsv4,和cifs一样,提供对文件的基于租约的排它锁定。
dictionary cache locks can be shared or exclusive. shared locks are released when the parse is complete. exclusive locks are released when the ddl operation is complete.
数据字典缓存锁可以为共享或排他的。当语句解析结束时共享锁将被释放,而当ddl操作结束时排它锁将被释放。
the impact of this can be lessened by using exclusive locks when you check out a package.
这个问题的影响程度可以在你签出一个包的时候通过使用独占锁来减轻。
regardless of the database you use, holding on to a transaction longer than you need to will hold shared and exclusive locks longer than necessary.
无论您使用何种数据库,不必要地长时间占用事务将更长地保留共享和专用锁。