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wwwanlingxiao
system-design-primer
Commits
6f135048
Commit
6f135048
authored
Jun 16, 2018
by
yangyangyang
Committed by
Donne Martin
Jun 16, 2018
Browse files
zh-Hans: Fix typo (#161)
parent
ad40b8e6
Changes
1
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README-zh-Hans.md
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6f135048
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@@ -1319,7 +1319,7 @@ def set_user(user_id, values):
### 背压
如果队列开始明显增长,那么队列大小可能会超过内存大小,导致高速缓存未命中,磁盘读取,甚至性能更慢。
[
背压
](
http://mechanical-sympathy.blogspot.com/2012/05/apply-back-pressure-when-overloaded.html
)
可以通过限制队列大小来帮助我们,从而为队列中的作业保持高吞吐率和良好的响应时间。一旦队列填满,客户端将得到服务器忙
活着
HTTP 503 状态码,以便稍后重试。客户端可以在稍后时间重试该请求,也许是
[
指数退避
](
https://en.wikipedia.org/wiki/Exponential_backoff
)
。
如果队列开始明显增长,那么队列大小可能会超过内存大小,导致高速缓存未命中,磁盘读取,甚至性能更慢。
[
背压
](
http://mechanical-sympathy.blogspot.com/2012/05/apply-back-pressure-when-overloaded.html
)
可以通过限制队列大小来帮助我们,从而为队列中的作业保持高吞吐率和良好的响应时间。一旦队列填满,客户端将得到服务器忙
或者
HTTP 503 状态码,以便稍后重试。客户端可以在稍后时间重试该请求,也许是
[
指数退避
](
https://en.wikipedia.org/wiki/Exponential_backoff
)
。
### 异步的缺点:
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