dependabot[bot] opened a new pull request, #8409: URL: https://github.com/apache/storm/pull/8409
Bumps [org.jctools:jctools-core](https://github.com/JCTools/JCTools) from 4.0.5 to 4.0.6. <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/JCTools/JCTools/releases";>org.jctools:jctools-core's releases</a>.</em></p> <blockquote> <h2>Add VarHandle queues and other minor fixups</h2> <p>NOTE: This will be the last release with JDK6 bytecode for <code>jctools-core</code>. The next release will be 5.0.0 and will compile with the <code>1.8</code> target, allowing for method handles.</p> <p>This release has 2 artifacts. The old <code>jctools-core</code> with the following changes:</p> <ul> <li>Where plain access to field is used by queues, the field is not <code>volatile</code> and <code>volatile</code> access is done using <code>Unsafe</code>.</li> <li>Use a generated ConcurrentCircularXXXQueue instead of hand rolled base classes in generated code.</li> <li>Padding blocks formatting is improved in generated code.</li> </ul> <p>The release introduces a new artifact, <code>jctools-core-jdk11</code> which included generated <code>VarHandle</code> queues (padded and unpadded). These queues do not rely on <code>Unsafe</code>, and offer better performance than the <code>AtomicFieldUpdater</code> generated code. We expect many users will prefer these variants going forward to break their reliance on <code>Unsafe</code>.</p> <p>The majority of the <code>VarHandle</code> work is a great contribution from <a href="https://github.com/amarziali";><code>@amarziali</code></a> , thanks!!! We also thank <a href="https://github.com/franz1981";><code>@franz1981</code></a> for his help reviewing and profiling the code.</p> </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/JCTools/JCTools/commit/81fc9f7d909de81e862b1230aca185a267b25b3e";><code>81fc9f7</code></a> Add VH package info</li> <li><a href="https://github.com/JCTools/JCTools/commit/b43fb9a45f497ded45bda8e843020d8b8dc07283";><code>b43fb9a</code></a> Remove <code>la</code> optimization from VH queues in the absence of evidence it improve...</li> <li><a href="https://github.com/JCTools/JCTools/commit/b8b6eb5b233c2aafa29b6643f3f3edd22c8da124";><code>b8b6eb5</code></a> Improve baseline</li> <li><a href="https://github.com/JCTools/JCTools/commit/e06b852980dd0e3dbebb2b318363e50c9b7012d5";><code>e06b852</code></a> Generate atomic queues after builder changes</li> <li><a href="https://github.com/JCTools/JCTools/commit/97aa7b45060263a86a1a98feacafc16bd65a3c90";><code>97aa7b4</code></a> Prep atomic generator for generating base classes</li> <li><a href="https://github.com/JCTools/JCTools/commit/e17024a8998c4078513cc10f580a2d49afbfc29f";><code>e17024a</code></a> Generate VH LinkedArray queues</li> <li><a href="https://github.com/JCTools/JCTools/commit/85f8938afe1b7433cf45e457b7df40581dc066cc";><code>85f8938</code></a> Regenerate queues with padding block</li> <li><a href="https://github.com/JCTools/JCTools/commit/845e8ff1cf4ade907c46907820a3cb4227caed2c";><code>845e8ff</code></a> Fix up volatile/plain fields access and prep for LinkedArray queues</li> <li><a href="https://github.com/JCTools/JCTools/commit/dc94426b3cbccb190da344577aa0d25c59999aa5";><code>dc94426</code></a> Nicer formatting for padding blocks</li> <li><a href="https://github.com/JCTools/JCTools/commit/7c7798192aa17c7491550d812524a046e034df98";><code>7c77981</code></a> Fix test timeout due to slow <code>clear</code> on linked queues</li> <li>Additional commits viewable in <a href="https://github.com/JCTools/JCTools/compare/v4.0.5...v4.0.6";>compare view</a></li> </ul> </details> <br /> [](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. 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