diff options
author | Yorick Peterse <yorickpeterse@gmail.com> | 2016-04-08 18:54:52 +0300 |
---|---|---|
committer | Yorick Peterse <yorickpeterse@gmail.com> | 2016-04-08 18:54:52 +0300 |
commit | c56f702ec3806606459e4edc3de097f1bb6baf4e (patch) | |
tree | 82f682b83e3384d8a45b2565023f551bc57f2fac /lib/gitlab/metrics | |
parent | 312a09e7aa8ad74481f52c632a976a2218fbf025 (diff) |
Instrument Rails cache code
This allows us to track how much time of a transaction is spent in
dealing with cached data.
Diffstat (limited to 'lib/gitlab/metrics')
-rw-r--r-- | lib/gitlab/metrics/subscribers/rails_cache.rb | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/lib/gitlab/metrics/subscribers/rails_cache.rb b/lib/gitlab/metrics/subscribers/rails_cache.rb new file mode 100644 index 00000000000..49e5f86e6e6 --- /dev/null +++ b/lib/gitlab/metrics/subscribers/rails_cache.rb @@ -0,0 +1,39 @@ +module Gitlab + module Metrics + module Subscribers + # Class for tracking the total time spent in Rails cache calls + class RailsCache < ActiveSupport::Subscriber + attach_to :active_support + + def cache_read(event) + increment(:cache_read_duration, event.duration) + end + + def cache_write(event) + increment(:cache_write_duration, event.duration) + end + + def cache_delete(event) + increment(:cache_delete_duration, event.duration) + end + + def cache_exist?(event) + increment(:cache_exists_duration, event.duration) + end + + def increment(key, duration) + return unless current_transaction + + current_transaction.increment(:cache_duration, duration) + current_transaction.increment(key, duration) + end + + private + + def current_transaction + Transaction.current + end + end + end + end +end |