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id="motivation">Motivation<a href="#motivation" class="hash-link" aria-label="Direct link to Motivation" title="Direct link to Motivation"></a></h3><p><em>Describe the problems you are trying to solve</em></p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="public-interfaces">Public Interfaces<a href="#public-interfaces" class="hash-link" aria-label="Direct link to Public Interfaces" title="Direct link to Public Interfaces"></a></h3><p><em>Briefly list any new interfaces that will be introduced as part of this proposal or any existing interfaces that will be removed or changed. The purpose of this section is to concisely call out the public contract that will come along with this feature.</em></p><p>A public interface is any change to the following:</p><ul><li>Data format, Metadata format</li><li>The wire protocol and api behavior</li><li>Any class in the public packages</li><li>Monitoring</li><li>Command line tools and arguments</li><li>Anything else that will likely break existing users in some way when they upgrade</li></ul><h3 class="anchor anchorWithStickyNavbar_LWe7" id="proposed-changes">Proposed Changes<a href="#proposed-changes" class="hash-link" aria-label="Direct link to Proposed Changes" title="Direct link to Proposed Changes"></a></h3><p><em>Describe the new thing you want to do in appropriate detail. This may be fairly extensive and have large subsections of its own. Or it may be a few sentences. Use judgement based on the scope of the change.</em></p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="compatibility-deprecation-and-migration-plan">Compatibility, Deprecation, and Migration Plan<a href="#compatibility-deprecation-and-migration-plan" class="hash-link" aria-label="Direct link to Compatibility, Deprecation, and Migration Plan" title="Direct link to Compatibility, Deprecation, and Migration Plan"></a></h3><ul><li>What impact (if any) will there be on existing users? </li><li>If we are changing behavior how will we phase out the older behavior? </li><li>If we need special migration tools, describe them here.</li><li>When will we remove the existing behavior?</li></ul><h3 class="anchor anchorWithStickyNavbar_LWe7" id="test-plan">Test Plan<a href="#test-plan" class="hash-link" aria-label="Direct link to Test Plan" title="Direct link to Test Plan"></a></h3><p><em>Describe in few sentences how the BP will be tested. We are mostly interested in system tests (since unit-tests are specific to implementation details). How will we know that the implementation works as expected? How will we know nothing broke?</em></p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="rejected-alternatives">Rejected Alternatives<a href="#rejected-alternatives" class="hash-link" aria-label="Direct link to Rejected Alternatives" title="Direct link to Rejected Alternatives"></a></h3><p><em>If there are alternative ways of accomplishing the same thing, what were they? The purpose of this section is to motivate why the design is the way it is and not some other way.</em></p></article></div><div class="col col--2"><div class="tableOfContents_bqdL thin-scrollbar"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#motivation" class="table-of-contents__link toc-highlight">Motivation</a></li><li><a href="#public-interfaces" class="table-of-contents__link toc-highlight">Public Interfaces</a></li><li><a href="#proposed-changes" class="table-of-contents__link toc-highlight">Proposed Changes</a></li><li><a href="#compatibility-deprecation-and-migration-plan" class="table-of-contents__link toc-highlight">Compatibility, Deprecation, and Migration Plan</a></li><li><a href="#test-plan" class="table-of-contents__link toc-highlight">Test Plan</a></li><li><a href="#rejected-alternatives" class="table-of-contents__link toc-highlight">Rejected Alternatives</a></li></ul></div></div></div></main></div><footer class="footer footer--dark"><div class="container container-fluid"><div class="row footer__links"><div class="col footer__col"><div class="footer__title">Documentation</div><ul class="footer__items clean-list"><li class="footer__item"><a class="footer__link-item" href="/docs/overview">Overview</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/getting-started/installation">Getting started</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/deployment/manual">Deployment</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/admin/bookies">Administration</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/api/overview">API</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/security/overview">Security</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/development/protocol">Development</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/reference/config">Reference</a></li></ul></div><div class="col footer__col"><div class="footer__title">Community</div><ul class="footer__items clean-list"><li class="footer__item"><a class="footer__link-item" href="/community/mailing-lists">Mailing lists</a></li><li class="footer__item"><a class="footer__link-item" href="/community/slack">Slack</a></li><li class="footer__item"><a href="https://github.com/apache/bookkeeper" target="_blank" rel="noopener noreferrer" class="footer__link-item">Github<svg width="13.5" height="13.5" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_nPIU"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></a></li><li class="footer__item"><a href="https://twitter.com/asfbookkeeper" target="_blank" rel="noopener noreferrer" class="footer__link-item">Twitter<svg width="13.5" height="13.5" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_nPIU"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></a></li></ul></div><div class="col footer__col"><div class="footer__title">Project</div><ul class="footer__items clean-list"><li class="footer__item"><a class="footer__link-item" href="/project/who">Who are we?</a></li><li class="footer__item"><a class="footer__link-item" href="/project/bylaws">Bylaws</a></li><li class="footer__item"><a href="https://apache.org/licenses" target="_blank" rel="noopener noreferrer" class="footer__link-item">License<svg width="13.5" height="13.5" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_nPIU"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></a></li><li class="footer__item"><a class="footer__link-item" href="/project/privacy">Privacy policy</a></li><li class="footer__item"><a href="https://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noopener noreferrer" class="footer__link-item">Sponsorship<svg width="13.5" height="13.5" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_nPIU"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></a></li><li class="footer__item"><a href="https://www.apache.org/foundation/thanks.html" target="_blank" rel="noopener noreferrer" class="footer__link-item">Thanks<svg width="13.5" height="13.5" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_nPIU"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></a></li></ul></div></div><div class="footer__bottom text--center"><div class="footer__copyright"><footer class="footer">
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