July 2023
Beginner to intermediate
270 pages
4h 48m
Chinese
Content preview from 可观测性工程
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156
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第
15
章
不幸的是，在许多企业中，一个常见的实施模式是将开发精力投入构建内部工具的初始
版本，然后再将其作为一个新版本，转到下一个项目。结果是，一旦开发工作停滞不前
及采用率低下，而且与竞争者的利益相比，使其满足当前需求所需的时间和精力不够优
先，企业就经常会放弃其定制的解决方案。
15.3 购买软件的真实成本
让我们从购买软件的最明显的成本开始：财务成本。在供应商关系中，这种成本是最具
体的。只要你的软件供应商给你寄来账单，你就能看到确切的财务成本。
一个现实是，软件供应商必须赚钱才能生存，他们的定价方案会考虑到一定程度的利润
率。换句话说，你为使用他们的软件而支付给供应商的费用将超过他们为你构建和运营
软件的成本。
15.3.1
商业软件的隐形财务成本
虽然供应商制定的价格可能是公平的（也是必要的），以帮助他们收回提供市场就绪的解
决方案的成本，但不太公平的是掩盖真正的成本、避免透明度或在许多定价方面堆积，
使消费者无法合理地预测他们的使用模式在未来将产生多少花费。
要注意的一个常见模式是使用模糊总拥有成本（
TCO
）的定价策略，如每个座位、每个
主机、每个服务、每个查询，或任何其他无法预测的计量机制。一开始，现收现付的定
价方式似乎很可行，直到你使用某一工具的成本激增，超过了它帮助你产生的收益。
这并不是说按量付费的定价不公平。它只是更难预测未来。作为一个消费者，当使用可
观测性工具时，你应该避免那些让你付出更多代价的定价方案。你最初可能会选择门槛
较低的定价，但无意中却将自己锁定在一个已经学会成功使用的工具上 ...
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