we profiled our app and here’s the results:

```
          ns  percent  samples  top
  ----------  -------  -------  ---
 28729216493   12.47%     2871  /opt/java/openjdk/lib/server/libjvm.so
 10217190275    4.44%     1021  java.lang.invoke.MethodHandle.invokeBasic
  3722712907    1.62%      372  vtable stub
  3032384580    1.32%      303  java.util.concurrent.ConcurrentHashMap.get
  2862104438    1.24%      286  org.jruby.runtime.callsite.CachingCallSite.call
  2682040958    1.16%      268  org.jruby.runtime.Frame.updateFrame
  2121434455    0.92%      212  org.jruby.internal.runtime.methods.MixedModeIRMethod.call
  2061147509    0.89%      206  org.jruby.internal.runtime.methods.AttrReaderMethod.call
  2051277047    0.89%      205  org.jruby.RubyBasicObject.getMetaClass
  1951522254    0.85%      195  org.jruby.RubyModule.cacheHit
  1841358302    0.80%      184  vtable stub
  1690965900    0.73%      169  org.jruby.util.PerlHash.hash
  1621307538    0.70%      162  org.jruby.internal.runtime.methods.CompiledIRMethod.call
  1621031882    0.70%      162  org.jruby.RubyHash.internalGetEntry
```