[ruby/grape] Reduce connection pool size (TechEmpower#8568)

I got the following results locally: ``` +--------+---------+------+-----+-----+-----+-------+--------------+ |threads |plaintext|update| json| db|query|fortune|weighted_score| +--------+---------+------+-----+-----+-----+-------+--------------+ |master | 30018| 5669|51864|20665|10083| | 699| |5 | 19278| 7043|50914|23169|11094| | 817| |3 | 21420| 7287|46779|23205|10921| | 826| |2 | 22695| 7981|48680|24954|11535| | 892| +--------+---------+------+-----+-----+-----+-------+--------------+ ```
franz1981 · Jan 3, 2024 · dadf479 · dadf479
1 parent a044f42
commit dadf479
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Showing 3 changed files with 5 additions and 2 deletions.
diff --git a/frameworks/Ruby/grape/config.ru b/frameworks/Ruby/grape/config.ru
@@ -1,6 +1,7 @@
 require 'erb'
 require 'active_record'
 require 'yaml'
+require_relative 'config/auto_tune'
 
 MAX_PK = 10_000
 QUERIES_MIN = 1

diff --git a/frameworks/Ruby/grape/config/database.yml b/frameworks/Ruby/grape/config/database.yml
@@ -5,5 +5,5 @@ production:
   database: hello_world
   username: benchmarkdbuser
   password: benchmarkdbpass
-  pool: 512
+  pool: 2
   timeout: 5000
diff --git a/frameworks/Ruby/grape/config/puma.rb b/frameworks/Ruby/grape/config/puma.rb
@@ -4,7 +4,9 @@
 num_workers, num_threads = auto_tune
 
 workers num_workers
-threads num_threads, num_threads
+
+threads 2, 2
+
 # Use the `preload_app!` method when specifying a `workers` number.
 # This directive tells Puma to first boot the application and load code
 # before forking the application. This takes advantage of Copy On Write