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author | Yorick Peterse <yorickpeterse@gmail.com> | 2016-04-08 23:52:21 +0300 |
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committer | Yorick Peterse <yorickpeterse@gmail.com> | 2016-04-08 23:52:21 +0300 |
commit | 833808d737058ff25b34f6bd5eb4d4989c43e49d (patch) | |
tree | 2a3b686617e973650b92666698c213183d2dc60e /lib | |
parent | 5ef170ae820388bbbe29b36c3c7091a5bda6733c (diff) | |
parent | c56f702ec3806606459e4edc3de097f1bb6baf4e (diff) |
Merge branch 'instrument-rails-cache' into 'master'
Instrument Rails cache code
See merge request !3619
Diffstat (limited to 'lib')
-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 |