你也可以用应用程序锁定车轮，如果被盗它可以跟踪你的自行车。
You can also lock the wheel from the app, which can track your bike if it gets stolen.
毕竟，如果应用程序只是个人的应用程序，而且您不准备依靠它，那么把应用程序锁定在特定的PostgreSQL实例上也挺好的。
After all, it's fine to lock your application into a specific PostgreSQL instance when it's only your personal recipe application, and you're not planning on relying on it.
在游标定位在行中时，锁定这个被应用程序的某个事务访问的任何一行。
Locks any row accessed by a transaction of an application while the cursor is positioned on the row.
虽然有一些增加并发的技巧，但是，如果应用程序需要的是表级别或行级别的锁定，那么DBMS能够更好地满足您的需求。
There are little tricks one can do to increase concurrency, but if your applications need table-level or row-level locks, a DBMS will better suit your needs.
CS：在游标定位在任何一行中时，锁定这个被应用程序的某个事务访问的行。
CS: Locks any row accessed by a transaction of an application while the cursor is positioned on the row.
本例中的这个代码更改没有涉及任何同步，因此也没有产生应用程序的锁定行为问题。
The code change in this example did not involve any synchronization and so there are no issues with the locking behavior of the application.
原因很简单：如果生产环境中的应用程序或接口被锁定了，就会影响业务。
The reason for this is simple: If an application or interface gets locked in production, then that affects your business.
RR：锁定一个应用程序在一个工作单元内引用的所有行。
RR: Locks all the rows an application references within a unit of work.
最后，应用程序可以使用此服务锁定和取消锁定库中的内容。
Lastly, applications can use this service to lock and unlock content within the repository.
主动成员上尝试访问故障成员上锁定数据的应用程序将短暂地处于锁定等待状态，默认情况下不会接受任何错误。
Applications on active members trying to access the locked data on the failing member will be briefly in a lock-wait state, and by default will not receive any errors.
锁定问题通常表明应用程序中存在一些相当严重的并发性问题，在增大锁列表参数的值之前应当解决这些问题。
The locking problems normally indicate some fairly significant concurrency problems in the application that should be dealt with before the lock list parameter is increased.
我们建议采用乐观锁定策略，将并发控制的责任委派给相应的应用程序逻辑。
Instead, we recommend the use of an optimistic locking strategy, delegating responsibility for concurrency control to appropriate application logic.
如果应用程序访问模式主要是更新数据，那么乐观锁定方法能有利地避免乐观并发性更新的失败。
If the application access pattern is predominately update access, then pessimistic approach might be advantageous in that it avoids optimistic concurrency update failures.
由于没有指定应用程序的锁定时间分布信息，所以多数JVM 采取保守策略，在得不到锁的时候只是暂挂线程。
Without information on what the distribution of lock times will be for a given application, most JVMs are conservative and simply suspend a thread when it fails to acquire a lock.
锁定是数据库管理器用来控制多个应用程序并发访问数据库中数据的机制。
Locking is the mechanism that the database manager USES to control concurrent access to data in the database by multiple applications.
您还将了解如何启用审核、重复登录失败尝试的锁定，以及如何为以后的应用程序存储用户凭据。
You will also learn how to enable auditing, lockout on repeated unsuccessful login attempts, and how to store user credentials for later use by the application.
大多数锁都不是频繁争用的，所以改善非竞争锁定的性能可以实际地改善应用程序的整体性能。
Most locks are not frequently contended, so improving the performance of uncontended locking can improve overall application performance substantially.
使用这种编程模型的应用程序将从增强的乐观锁定特性中获益。
Applications using this programming model will benefit from the enhanced optimistic locking feature.
RS：仅锁定应用程序在一个工作单元内检索的行。
RS: Locks only those rows that an application retrieves within a unit of work.
要使用客户端优化优化现有应用程序，可以在递增式捕获过程中生成多个捕获文件来锁定捕获的信息。
For optimizing existing applications using client optimization, you can generate multiple capture files to lock captured information during incremental capture.
如果虚拟设备锁定，可能会对要对每个应用程序安装特定软件的IT团队带来困难。
If a virtual appliance is locked-down, this can present a problem to it shops with specific software they require be installed for each application.
使用这种编程模型的应用程序可以从增强的乐观锁定特性受益，并且能够进一步增强并发性。
Applications using this programming model benefit from the enhanced optimistic locking feature and gain improved concurrency.
要在应用程序中启用乐观锁定支持，需要执行以下基本步骤
These are a basic steps to be performed in order to enable optimistic locking support in your applications
发生锁定超时的应用程序在LockRequestor部分中描述。
The application that experienced the lock timeout is described in the section Lock Requestor.
解释db 2 pd输出以识别锁定超时情形中涉及的应用程序和sql语句，这个任务并不容易，而且需要一些尝试。
Interpreting the db2pd output to identify the applications and SQL statements involved in a lock timeout situation is not trivial and requires some exercise.
注意，在不进行DDL修改的情况下，乐观锁定应用程序可能会产生更多的漏判(falsenegative)。
Note that without DDL changes, optimistic locking applications may get more false negatives than with DDL changes.
db 2 pd调用收集与锁定、事务、应用程序、语句缓存相关的信息，并将信息存储在一个文本文件中以供分析。
The db2pd call gathers information about locks, transactions, applications, and the statement cache and stores this information in a text file for analysis purposes.
同步模式会在等待快速响应的同时锁定WebServices应用程序。
The synchronous mode locks up the Web service application while waiting for a quick response.
在应用程序a 1中使用CS时，将有一个IS (intentshare)表锁定。
When using CS in application A1, there will be an IS (intent share) table lock.
在应用程序a 1中使用CS时，将有一个IS (intentshare)表锁定。
When using CS in application A1, there will be an IS (intent share) table lock.
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