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-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb18
1 files changed, 18 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb
index e9ecb78e27..9727d63883 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb
@@ -581,6 +581,24 @@ module ActiveRecord
@available.num_waiting
end
+ # Return connection pool's usage statistic
+ # Example:
+ #
+ # ActiveRecord::Base.connection_pool.stat # => { size: 15, connections: 1, busy: 1, dead: 0, idle: 0, waiting: 0, checkout_timeout: 5 }
+ def stat
+ synchronize do
+ {
+ size: size,
+ connections: @connections.size,
+ busy: @connections.count { |c| c.in_use? && c.owner.alive? },
+ dead: @connections.count { |c| c.in_use? && !c.owner.alive? },
+ idle: @connections.count { |c| !c.in_use? },
+ waiting: num_waiting_in_queue,
+ checkout_timeout: checkout_timeout
+ }
+ end
+ end
+
private
#--
# this is unfortunately not concurrent