8299234: JMX Repository.query performance

[alexeybakhtin]

Clean backport of JDK-8299234 to JDK17u

Performance of the original code:
JmxBenchmark.queryMBeansForMyObjectName 1000 thrpt 10 84.794 ± 0.784 ops/s
JmxBenchmark.queryMBeansForObjectName 1000 thrpt 10 145.286 ± 0.798 ops/s
JmxBenchmark.queryNamesForMyObjectName 1000 thrpt 10 80.715 ± 2.290 ops/s
JmxBenchmark.queryNamesForObjectName 1000 thrpt 10 147.780 ± 4.246 ops/s

Performance after patch applied:
JmxBenchmark.queryMBeansForMyObjectName 1000 thrpt 10 106.338 ± 4.865 ops/s
JmxBenchmark.queryMBeansForObjectName 1000 thrpt 10 216.965 ± 3.543 ops/s
JmxBenchmark.queryNamesForMyObjectName 1000 thrpt 10 102.794 ± 4.874 ops/s
JmxBenchmark.queryNamesForObjectName 1000 thrpt 10 236.722 ± 1.957 ops/s

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8299234 needs maintainer approval

Issue

• JDK-8299234: JMX Repository.query performance (Enhancement - P4)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk17u-dev.git pull/1182/head:pull/1182
$ git checkout pull/1182

Update a local copy of the PR:
$ git checkout pull/1182
$ git pull https://git.openjdk.org/jdk17u-dev.git pull/1182/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 1182

View PR using the GUI difftool:
$ git pr show -t 1182

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk17u-dev/pull/1182.diff

Webrev

Link to Webrev Comment

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[openjdk]

This backport pull request has now been updated with issue from the original commit.

[openjdk]

@alexeybakhtin This change is no longer ready for integration - check the PR body for details.

[mlbridge]

Webrevs

• 00: Full (3ae3b152)

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[alexeybakhtin]

/open

[openjdk]

@alexeybakhtin This pull request is now open

[openjdk]

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[bridgekeeper]

@alexeybakhtin This pull request has been inactive for more than 8 weeks and will now be automatically closed. If you would like to continue working on this pull request in the future, feel free to reopen it! This can be done using the /open pull request command.