Merge branch 'add_cache_counts' into 'master'

Add cache read hit / miss counters continuous queries (Rails/Grape/Sidekiq)

See merge request !3

queries/grape/grape_transaction_cache_counts_overall.txt

+CREATE CONTINUOUS QUERY grape_transaction_cache_counts_overall ON $DATABASE
+BEGIN
+    SELECT max(cache_read_hit_count) AS cache_read_hit_count_max,
+        mean(cache_read_hit_count) AS cache_read_hit_count_mean,
+        percentile(cache_read_hit_count, 95) AS cache_read_hit_count_95th,
+        percentile(cache_read_hit_count, 99) AS cache_read_hit_count_99th,
+        max(cache_read_miss_count) AS cache_read_miss_count_max,
+        mean(cache_read_miss_count) AS cache_read_miss_count_mean,
+        percentile(cache_read_miss_count, 95) AS cache_read_miss_count_95th,
+        percentile(cache_read_miss_count, 99) AS cache_read_miss_count_99th
+    INTO downsampled.grape_transaction_cache_counts_overall
+    FROM "default".rails_transactions
+    WHERE action !~ /.+/ OR action =~ /^Grape#/
+    GROUP BY time(1m)
+END

queries/grape/grape_transaction_cache_counts_per_action.txt

+CREATE CONTINUOUS QUERY grape_transaction_cache_counts_per_action ON $DATABASE
+BEGIN
+    SELECT max(cache_read_hit_count) AS cache_read_hit_count_max,
+        mean(cache_read_hit_count) AS cache_read_hit_count_mean,
+        percentile(cache_read_hit_count, 95) AS cache_read_hit_count_95th,
+        percentile(cache_read_hit_count, 99) AS cache_read_hit_count_99th,
+        max(cache_read_miss_count) AS cache_read_miss_count_max,
+        mean(cache_read_miss_count) AS cache_read_miss_count_mean,
+        percentile(cache_read_miss_count, 95) AS cache_read_miss_count_95th,
+        percentile(cache_read_miss_count, 99) AS cache_read_miss_count_99th
+    INTO downsampled.grape_transaction_cache_counts_per_action
+    FROM "default".rails_transactions
+    WHERE action !~ /.+/ OR action =~ /^Grape#/
+    GROUP BY time(1m), action
+END

queries/rails/rails_transaction_cache_counts_overall.txt

+CREATE CONTINUOUS QUERY rails_transaction_cache_counts_overall ON $DATABASE
+BEGIN
+    SELECT max(cache_read_hit_count) AS cache_read_hit_count_max,
+        mean(cache_read_hit_count) AS cache_read_hit_count_mean,
+        percentile(cache_read_hit_count, 95) AS cache_read_hit_count_95th,
+        percentile(cache_read_hit_count, 99) AS cache_read_hit_count_99th,
+        max(cache_read_miss_count) AS cache_read_miss_count_max,
+        mean(cache_read_miss_count) AS cache_read_miss_count_mean,
+        percentile(cache_read_miss_count, 95) AS cache_read_miss_count_95th,
+        percentile(cache_read_miss_count, 99) AS cache_read_miss_count_99th
+    INTO downsampled.rails_transaction_cache_counts_overall
+    FROM "default".rails_transactions
+    WHERE action =~ /.+/ AND action !~ /^Grape#/
+    GROUP BY time(1m)
+END

queries/rails/rails_transaction_cache_counts_per_action.txt

+CREATE CONTINUOUS QUERY rails_transaction_cache_counts_per_action ON $DATABASE
+BEGIN
+    SELECT max(cache_read_hit_count) AS cache_read_hit_count_max,
+        mean(cache_read_hit_count) AS cache_read_hit_count_mean,
+        percentile(cache_read_hit_count, 95) AS cache_read_hit_count_95th,
+        percentile(cache_read_hit_count, 99) AS cache_read_hit_count_99th,
+        max(cache_read_miss_count) AS cache_read_miss_count_max,
+        mean(cache_read_miss_count) AS cache_read_miss_count_mean,
+        percentile(cache_read_miss_count, 95) AS cache_read_miss_count_95th,
+        percentile(cache_read_miss_count, 99) AS cache_read_miss_count_99th
+    INTO downsampled.rails_transaction_cache_counts_per_action
+    FROM "default".rails_transactions
+    WHERE action =~ /.+/ AND action !~ /^Grape#/
+    GROUP BY time(1m), action
+END

queries/sidekiq/sidekiq_transaction_cache_counts_overall.txt

+CREATE CONTINUOUS QUERY sidekiq_transaction_cache_counts_overall ON $DATABASE
+BEGIN
+    SELECT max(cache_read_hit_count) AS cache_read_hit_count_max,
+        mean(cache_read_hit_count) AS cache_read_hit_count_mean,
+        percentile(cache_read_hit_count, 95) AS cache_read_hit_count_95th,
+        percentile(cache_read_hit_count, 99) AS cache_read_hit_count_99th,
+        max(cache_read_miss_count) AS cache_read_miss_count_max,
+        mean(cache_read_miss_count) AS cache_read_miss_count_mean,
+        percentile(cache_read_miss_count, 95) AS cache_read_miss_count_95th,
+        percentile(cache_read_miss_count, 99) AS cache_read_miss_count_99th
+    INTO downsampled.sidekiq_transaction_cache_counts_overall
+    FROM "default".sidekiq_transactions
+    GROUP BY time(1m)
+END

queries/sidekiq/sidekiq_transaction_cache_counts_per_action.txt

+CREATE CONTINUOUS QUERY sidekiq_transaction_cache_counts_per_action ON $DATABASE
+BEGIN
+    SELECT max(cache_read_hit_count) AS cache_read_hit_count_max,
+        mean(cache_read_hit_count) AS cache_read_hit_count_mean,
+        percentile(cache_read_hit_count, 95) AS cache_read_hit_count_95th,
+        percentile(cache_read_hit_count, 99) AS cache_read_hit_count_99th,
+        max(cache_read_miss_count) AS cache_read_miss_count_max,
+        mean(cache_read_miss_count) AS cache_read_miss_count_mean,
+        percentile(cache_read_miss_count, 95) AS cache_read_miss_count_95th,
+        percentile(cache_read_miss_count, 99) AS cache_read_miss_count_99th
+    INTO downsampled.sidekiq_transaction_cache_counts_per_action
+    FROM "default".sidekiq_transactions
+    GROUP BY time(1m), action
+END