您必须遍历不相关事件的日志，以找到所需的内容，这在活动服务器上可能很棘手。
You have to go through logs of unrelated events to find what you need, which can be a nightmare on a live server.
同样，仅在活动服务器上具有工作负载。
这种增加源于活动服务器能够进行更快的复制。
This slight increase is presumably due to the active server being able to replicate faster.
活动服务器的负载将被复制到所有其他备用服务器。
The active server then replicates to the rest of the standby servers.
活动服务器的负载将被复制到所有其他备用服务器。
The active server then replicated to the rest of the standby servers.
活动服务器不向备用服务器传输邮件信息。
The active server does not transfer mail messages to the standby server.
“用户”位于称为活动服务器的服务器上。
在活动服务器上，实际写入磁盘的过程可能非常冗长。
On an active server, the actual writing to disk could be a lengthy process.
活动服务器将所有数据库复制到备用服务器。
The active server replicates all databases to the standby server.
注意，在每种配置中，都仅有一个活动服务器带有工作负载。
Notice that in each configuration, there is only one active server with a workload on it.
直到功能可以在活动服务器上验证，才能认为编码项是完整的。
Coding items were not considered complete until the functionality could be demonstrated on a live server.
用户在其中一个服务器上，该服务器称为活动服务器。
All users were on one server, which we call the active server.
所有邮件都发送给活动服务器上的用户，因此所有消息都是本地发送的。
Rather, all mail is addressed to users on the active server, so all messages are delivered locally.
一个集群包含3个服务器——1个活动服务器和2个备用服务器。
一个集群包含6个服务器——1个活动服务器和5个备用服务器。
一个集群包含5个服务器——1个活动服务器和4个备用服务器。
在下面的图表中，服务器1为活动服务器，服务器2为备用服务器。
In the charts that follow, server 1 was the active server and server 2 was the standby server.
左边的服务器(活动服务器)具有工作负载，被称为“活动”集群成员。
The server on the left above (active server) that has the workload on it is called an "active" cluster member.
如果活动服务器失败，您的业务服务将迅速切换到被动服务器，如图5所示。
If the active server fails, your business services will be quickly switched to the passive server, as shown in figure 5.
谁被选举为活动服务器，将把应用服务器层发来的内容群发到其它服务器上。
Whoever is voted active becomes the active in an election process, and then evreything that is sent to him via the appserver tier he sends to the other guys multicast.
在用户为500的集群邮件测试期间，活动服务器上的集群复制器的数量在1和4之间。
The number of cluster replicators was varied from 1 to 4 on the active server during the 500-user clustered mail test.
我们对这5 个服务器使用一样的集群配置 ——一个活动服务器和4 个备用服务器。
We used the same type of clustered configuration with five servers -- one active and four standby.
我们的测试仍然使用中型的邮件用户工作负载，唯一不同的是我们将一条消息发送给活动服务器的50个用户。
Our test again used the "medium-type" mail user workload, except that this time, we sent a single message to 50 users on the active server.
备用或影子服务器是活动服务器的一个连续检查点，它通过对传统动态迁移过程进行两处主要改动来实现。
The backup or shadow server is a continuous checkpoint of the active server, which is implemented through two primary changes to the traditional process of live migration.
另一方面，您必须浏览不相关事件的日志以查找所需内容，这对于活动的服务器来说很可能是一场噩梦。
For another, you have to go through logs of unrelated events to find what you need, which can be a nightmare on a live server.
在我们第一次使用的时候，这些初始化活动对服务器来说是无法避免的，而且我们必须多次运行以得到所有的已登录用户，至少也有一次。
This initial activity was somewhat overwhelming for the servers when we first tried this, and we had to make multiple runs to get all of the users logged in at least once.
这告诉服务器在此活动完成后提交当前事务。
This tells the server to commit the current transaction after this activity completes.
主服务器恢复后，活动再次开始在主服务器上运行。
After the primary server comes back up, the activity will start running there again.
服务器应处理怎样的活动？
为了优化性能，每个活动数据库服务器任务应该有10MB内存。
For optimal performance, there should be 10mb of memory per active database server job.
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