diff --git a/solutions/system_design/twitter/README.md b/solutions/system_design/twitter/README.md index b475751..374f5dd 100644 --- a/solutions/system_design/twitter/README.md +++ b/solutions/system_design/twitter/README.md @@ -249,7 +249,7 @@ We'll introduce some components to complete the design and to address scalabilit The **Fanout Service** is a potential bottleneck. Twitter users with millions of followers could take several minutes to have their tweets go through the fanout process. This could lead to race conditions with @replies to the tweet, which we could mitigate by re-ordering the tweets at serve time. -We could also avoid fanning out tweets from highly-followed users. Instead, we could search to find tweets for high-followed users, merge the search results with the user's home timeline results, then re-order the tweets at serve time. +We could also avoid fanning out tweets from highly-followed users. Instead, we could search to find tweets for highly-followed users, merge the search results with the user's home timeline results, then re-order the tweets at serve time. Additional optimizations include: