rails在渲染部分时，每个渲染都会在日志中输出。这会影响性能吗？

Question

例如，如果循环@feed，这将呈现一个部分，您将在日志中看到以下内容：

Rendered feeds/_feed_item.html.erb (2.5ms)
Rendered feeds/_feed_item.html.erb (1.4ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.4ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.5ms)
Rendered feeds/_feed_item.html.erb (1.5ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.5ms)
Rendered feeds/_feed_item.html.erb (1.4ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.4ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.4ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.4ms)
Rendered feeds/_feed_item.html.erb (1.6ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.5ms)
Rendered feeds/_feed_item.html.erb (1.4ms)
Rendered feeds/_feed_item.html.erb (2.8ms)
Rendered feeds/_feed_item.html.erb (1.5ms)
Rendered feeds/_feed_item.html.erb (2.5ms)
Rendered feeds/_feed_item.html.erb (1.5ms)
Rendered feeds/_feed_item.html.erb (1.8ms)
Rendered feeds/_feed_item.html.erb (1.5ms)
Rendered feeds/_feed_item.html.erb (1.5ms)
Rendered feeds/_feed_item.html.erb (1.4ms)
Rendered feeds/_feed_item.html.erb (1.6ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.5ms)
Rendered feeds/_feed_item.html.erb (1.2ms)
Rendered feeds/_feed_item.html.erb (1.4ms)
Rendered feeds/_feed_item.html.erb (1.5ms)
Rendered feeds/_feed_item.html.erb (1.6ms)

这会影响性能吗？有没有更好的方法来处理这个问题，这样它就不会每次都输出了？

谢谢

Answer 1

是的，这是一个性能上的打击。呈现集合。