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let the connection pool of new applications have size 1 rather than 5

The majority of Rails applications are multiprocess, people
may wonder why rails new generates a default pool of 5, does
my application need a connection pool of 5? By generating
a default of 1 database.yml is much more clear, and with
the comment people know what is the connection pool for,
and they know it has to be bigger for multithread apps.
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1 parent 74bc920 commit 9b2c38b7bd582d9712c3779294a9bccde7bbd548 @fxn fxn committed Feb 26, 2012
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12 railties/guides/code/getting_started/config/database.yml
@@ -6,7 +6,9 @@
development:
adapter: sqlite3
database: db/development.sqlite3
- pool: 5
+ # Maximum number of database connections available per process. Please
+ # increase this number in multithreaded applications.
+ pool: 1
timeout: 5000
# Warning: The database defined as "test" will be erased and
@@ -15,11 +17,15 @@ development:
test:
adapter: sqlite3
database: db/test.sqlite3
- pool: 5
+ # Maximum number of database connections available per process. Please
+ # increase this number in multithreaded applications.
+ pool: 1
timeout: 5000
production:
adapter: sqlite3
database: db/production.sqlite3
- pool: 5
+ # Maximum number of database connections available per process. Please
+ # increase this number in multithreaded applications.
+ pool: 1
timeout: 5000
View
12 railties/lib/rails/generators/rails/app/templates/config/databases/mysql.yml
@@ -12,7 +12,9 @@ development:
adapter: mysql2
encoding: utf8
database: <%= app_name %>_development
- pool: 5
+ # Maximum number of database connections available per process. Please
+ # increase this number in multithreaded applications.
+ pool: 1
username: root
password:
<% if mysql_socket -%>
@@ -28,7 +30,9 @@ test:
adapter: mysql2
encoding: utf8
database: <%= app_name %>_test
- pool: 5
+ # Maximum number of database connections available per process. Please
+ # increase this number in multithreaded applications.
+ pool: 1
username: root
password:
<% if mysql_socket -%>
@@ -41,7 +45,9 @@ production:
adapter: mysql2
encoding: utf8
database: <%= app_name %>_production
- pool: 5
+ # Maximum number of database connections available per process. Please
+ # increase this number in multithreaded applications.
+ pool: 1
username: root
password:
<% if mysql_socket -%>
View
12 railties/lib/rails/generators/rails/app/templates/config/databases/postgresql.yml
@@ -16,7 +16,9 @@ development:
adapter: postgresql
encoding: unicode
database: <%= app_name %>_development
- pool: 5
+ # Maximum number of database connections available per process. Please
+ # increase this number in multithreaded applications.
+ pool: 1
username: <%= app_name %>
password:
@@ -42,14 +44,18 @@ test:
adapter: postgresql
encoding: unicode
database: <%= app_name %>_test
- pool: 5
+ # Maximum number of database connections available per process. Please
+ # increase this number in multithreaded applications.
+ pool: 1
username: <%= app_name %>
password:
production:
adapter: postgresql
encoding: unicode
database: <%= app_name %>_production
- pool: 5
+ # Maximum number of database connections available per process. Please
+ # increase this number in multithreaded applications.
+ pool: 1
username: <%= app_name %>
password:
View
12 railties/lib/rails/generators/rails/app/templates/config/databases/sqlite3.yml
@@ -6,7 +6,9 @@
development:
adapter: sqlite3
database: db/development.sqlite3
- pool: 5
+ # Maximum number of database connections available per process. Please
+ # increase this number in multithreaded applications.
+ pool: 1
timeout: 5000
# Warning: The database defined as "test" will be erased and
@@ -15,11 +17,15 @@ development:
test:
adapter: sqlite3
database: db/test.sqlite3
- pool: 5
+ # Maximum number of database connections available per process. Please
+ # increase this number in multithreaded applications.
+ pool: 1
timeout: 5000
production:
adapter: sqlite3
database: db/production.sqlite3
- pool: 5
+ # Maximum number of database connections available per process. Please
+ # increase this number in multithreaded applications.
+ pool: 1
timeout: 5000

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