> Please find a patch to improve JMX Repository.query performance
> 
> Using ObjectName.apply() allows significantly decrease memory usage and the 
> number of GC cycles:
> Before:
> 
> $ java test 1000000 1000000
> Test PASSED in 8943169791 ns.
> GC: G1 Young Generation getCollectionCount()=177 getCollectionTime()=118
> 
> 
> After:
> 
> $ java test 1000000 1000000
> Test PASSED in 4808213917 ns.
> GC: G1 Young Generation getCollectionCount()=88 getCollectionTime()=53
> 
> Private ObjectName.matchDomains() method is also updated to minimize 
> unnecessary memory allocation.
> 
> All javax/management jtreg tests passed successfully.

Alexey Bakhtin has updated the pull request incrementally with one additional 
commit since the last revision:

  Fix parameters order for Util.wildmatch

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/11758/files
  - new: https://git.openjdk.org/jdk/pull/11758/files/1ecc5ad8..5ac859ae

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=11758&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=11758&range=01-02

  Stats: 11 lines in 2 files changed: 8 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/11758.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11758/head:pull/11758

PR: https://git.openjdk.org/jdk/pull/11758

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