首页 \ 问答 \ 为什么不总是配置最大数量的事件中心分区?(Why not always configure for max number of event hub partitions?)

为什么不总是配置最大数量的事件中心分区?(Why not always configure for max number of event hub partitions?)

Azure事件中心概述文章指出以下内容:

分区数在事件中心创建时指定,并且必须介于8和32之间。分区是一种数据组织机制,与使用应用程序所需的下游并行度相比,与事件中心吞吐量更相关。 这使得Event Hub中分区数量的选择与您期望拥有的并发读取器数量直接相关。 创建事件中心后,分区计数不可更改; 你应该从长期预期规模来考虑这个数字。 您可以通过联系Azure Service Bus团队来增加32分区限制。

由于在初始创建后无法更改事件中心上的分区数,为什么不总是将其配置为最大分区数,32? 这样做我没有看到任何定价影响。 有一些表现权衡吗?

另外,作为另一方面,我似乎能够创建一个少于8个分区的事件中心。 文章说它必须在8-32之间。 不知道为什么会这么说......


The Azure Event Hubs overview article states the following:

The number of partitions is specified at the Event Hub creation time and must be between 8 and 32. Partitions are a data organization mechanism and are more related to the degree of downstream parallelism required in consuming applications than to Event Hubs throughput. This makes the choice of the number of partitions in an Event Hub directly related to the number of concurrent readers you expect to have. After Event Hub creation, the partition count is not changeable; you should consider this number in terms of long-term expected scale. You can increase the 32 partition limit by contacting the Azure Service Bus team.

Since you cannot change the number of partitions on your event hub after initial creation, why not just always configure it to the maximum number of partitions, 32? I do not see any pricing implications in doing this. Is there some performance trade off?

Also, as another side note, I appear to be able to create an event hub with less than 8 partitions. The article says it must be between 8-32. Not sure why it says that...


原文:https://stackoverflow.com/questions/31972268
更新时间:2023-09-19 11:09

最满意答案

您将使用CI电子邮件类。 这是文档,请访问它,以便您可以使用$headers变量中设置的值。 我不知道他们所以我只是没有将它们放在下面的代码中。

$this->load->library('email');
$this->email->from('your@example.com', 'Your Name');
$this->email->to($to);
$this->email->subject($subject);
$this->email->message($message);
$this->email->send();

$this->load->library('email');
$this->email->from('your@example.com', 'Your Name');
$this->email->to($email);
$this->email->subject($subject);
$this->email->message("Thank you for your interest. Our team will contact you soon");
$this->email->send();

You would use the CI email class. Here is the documentation please visit it so you can use the values set in your $headers variable. I do not know them so I just didn't put them in below code.

$this->load->library('email');
$this->email->from('your@example.com', 'Your Name');
$this->email->to($to);
$this->email->subject($subject);
$this->email->message($message);
$this->email->send();

$this->load->library('email');
$this->email->from('your@example.com', 'Your Name');
$this->email->to($email);
$this->email->subject($subject);
$this->email->message("Thank you for your interest. Our team will contact you soon");
$this->email->send();

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