Rails 5 Warning when fetching with Active Record

With large data set we can run into memory issue. Here is an example. 1 2>> Post.published.count 3=> 25000 4 5>> Post.where(published: true).each do |post| 6 post.archive! 7 end 8 9# Loads 25000 posts in memory 10 Copy Rails 5 adds warning when loading large data set To mitigate issue shown above Rails 5 has added config.active_record.warn_on_records_fetched_greater_than. When this configuration i

[hfmgarden]

warn_on_records_fetched_greater_than は長いなと思うけど便利そうなオプションだ

[seiunsky]

お、これは地味に便利そう