Effect of String deduplication on Spring Boot's actuator sample

gistfile1.txt

$ java -XX:+UseG1GC -XX:+UseStringDeduplication -XX:+PrintStringDeduplicationStatistics -jar target/spring-boot-sample-actuator-1.1.5.RELEASE.jar

…

[GC concurrent-string-deduplication, 23.8K->12.8K(11.1K), avg 41.3%, 0.0001704 secs]
   [Last Exec: 0.0001704 secs, Idle: 0.0535354 secs, Blocked: 0/0.0000000 secs]
      [Inspected:             672]
         [Skipped:              0(  0.0%)]
         [Hashed:             182( 27.1%)]
         [Known:              299( 44.5%)]
         [New:                373( 55.5%)     23.8K]
      [Deduplicated:          224( 60.1%)     11.1K( 46.5%)]
         [Young:              224(100.0%)     11.1K(100.0%)]
         [Old:                  0(  0.0%)      0.0B(  0.0%)]
   [Total Exec: 66/0.0394654 secs, Idle: 66/143.6732158 secs, Blocked: 4/0.0054014 secs]
      [Inspected:          118620]
         [Skipped:              1(  0.0%)]
         [Hashed:           67241( 56.7%)]
         [Known:            20969( 17.7%)]
         [New:              97650( 82.3%)   9460.8K]
      [Deduplicated:        54682( 56.0%)   3907.2K( 41.3%)]
         [Young:            10154( 18.6%)    838.6K( 21.5%)]
         [Old:              44528( 81.4%)   3068.6K( 78.5%)]
   [Table]
      [Memory Usage: 1681.4K]
      [Size: 32768, Min: 1024, Max: 16777216]
      [Entries: 60817, Load: 185.6%, Cached: 0, Added: 63389, Removed: 2572]
      [Resize Count: 5, Shrink Threshold: 21845(66.7%), Grow Threshold: 65536(200.0%)]
      [Rehash Count: 0, Rehash Threshold: 120, Hash Seed: 0x0]
      [Age Threshold: 3]
   [Queue]
      [Dropped: 0]