如何在ActiveRecord中增加最大池大小？

Question

我收到错误:

Error "ActiveRecord::ConnectionTimeoutError - could not obtain a database connection within 5 seconds.  The max pool size is currently 5; consider increasing it."

如何增加最大池大小？

# DB CONNECTION
DB_CONN = ActiveRecord::Base.establish_connection(:adapter => "sqlite3", :dbfile => DB_FILE)

Answer 1

config/database.yml
pool: 8 (default is 5)

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