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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Open a compaction region from a compaction request. It’s simple version of RegionOpener::open()."><title>open_compaction_region in mito2::compaction::compactor - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-17e0aaed.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="mito2" data-themes="" data-resource-suffix="" data-rustdoc-version="1.96.0-nightly (ac7f9ec7d 2026-03-20)" data-channel="nightly" data-search-js="search-63369b7b.js" data-stringdex-js="stringdex-2da4960a.js" data-settings-js="settings-170eb4bf.js" ><script src="../../../static.files/storage-41dd4d93.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../static.files/main-5013f961.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-f7c3ffd8.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc fn"><a class="skip-main-content" href="#main-content">Skip to main content</a><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><rustdoc-topbar><h2><a href="#">open_compaction_region</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../mito2/index.html">mito2</a><span class="version">1.0.0</span></h2></div><div class="sidebar-elems"><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>compaction::<wbr>compactor</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content" tabindex="-1"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../../index.html">mito2</a>::<wbr><a href="../index.html">compaction</a>::<wbr><a href="index.html">compactor</a></div><h1>Function <span class="fn">open_<wbr>compaction_<wbr>region</span>&nbsp;<button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../../src/mito2/compaction/compactor.rs.html#123-237">Source</a> </span></div><pre class="rust item-decl"><code>pub async fn open_compaction_region(
req: &amp;<a class="struct" href="struct.OpenCompactionRegionRequest.html" title="struct mito2::compaction::compactor::OpenCompactionRegionRequest">OpenCompactionRegionRequest</a>,
mito_config: &amp;<a class="struct" href="../../config/struct.MitoConfig.html" title="struct mito2::config::MitoConfig">MitoConfig</a>,
object_store_manager: ObjectStoreManagerRef,
ttl_provider: <a class="enum" href="https://docs.rs/either/1/either/enum.Either.html" title="enum either::Either">Either</a>&lt;TimeToLive, SchemaMetadataManagerRef&gt;,
) -&gt; <a class="type" href="../../error/type.Result.html" title="type mito2::error::Result">Result</a>&lt;<a class="struct" href="struct.CompactionRegion.html" title="struct mito2::compaction::compactor::CompactionRegion">CompactionRegion</a>&gt;</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Open a compaction region from a compaction request.
It’s simple version of RegionOpener::open().</p>
</div></details></section></div></main></body></html>

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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `compactor` mod in crate `mito2`."><title>mito2::compaction::compactor - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-17e0aaed.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="mito2" data-themes="" data-resource-suffix="" data-rustdoc-version="1.96.0-nightly (ac7f9ec7d 2026-03-20)" data-channel="nightly" data-search-js="search-63369b7b.js" data-stringdex-js="stringdex-2da4960a.js" data-settings-js="settings-170eb4bf.js" ><script src="../../../static.files/storage-41dd4d93.js"></script><script defer src="../sidebar-items.js"></script><script defer src="../../../static.files/main-5013f961.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-f7c3ffd8.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc mod"><a class="skip-main-content" href="#main-content">Skip to main content</a><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><rustdoc-topbar><h2><a href="#">Module compactor</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../mito2/index.html">mito2</a><span class="version">1.0.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Module compactor</a></h2><h3><a href="#structs">Module Items</a></h3><ul class="block"><li><a href="#structs" title="Structs">Structs</a></li><li><a href="#traits" title="Traits">Traits</a></li><li><a href="#functions" title="Functions">Functions</a></li></ul></section><div id="rustdoc-modnav"><h2><a href="../index.html">In mito2::<wbr>compaction</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content" tabindex="-1"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../../index.html">mito2</a>::<wbr><a href="../index.html">compaction</a></div><h1>Module <span>compactor</span>&nbsp;<button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../../src/mito2/compaction/compactor.rs.html#15-953">Source</a> </span></div><h2 id="structs" class="section-header">Structs<a href="#structs" class="anchor">§</a></h2><dl class="item-table"><dt><a class="struct" href="struct.CompactionRegion.html" title="struct mito2::compaction::compactor::CompactionRegion">Compaction<wbr>Region</a></dt><dd>CompactionRegion represents a region that needs to be compacted.
It’s the subset of MitoRegion.</dd><dt><a class="struct" href="struct.CompactionVersion.html" title="struct mito2::compaction::compactor::CompactionVersion">Compaction<wbr>Version</a></dt><dd>Region version for compaction that does not hold memtables.</dd><dt><a class="struct" href="struct.DefaultCompactor.html" title="struct mito2::compaction::compactor::DefaultCompactor">Default<wbr>Compactor</a></dt><dd>DefaultCompactor is the default implementation of Compactor.</dd><dt><a class="struct" href="struct.DefaultSstMerger.html" title="struct mito2::compaction::compactor::DefaultSstMerger">Default<wbr>SstMerger</a></dt><dd>The production <a href="trait.SstMerger.html" title="trait mito2::compaction::compactor::SstMerger"><code>SstMerger</code></a> that reads, merges, and writes SST files.</dd><dt><a class="struct" href="struct.MergeOutput.html" title="struct mito2::compaction::compactor::MergeOutput">Merge<wbr>Output</a></dt><dd><code>[MergeOutput]</code> represents the output of merging SST files.</dd><dt><a class="struct" href="struct.OpenCompactionRegionRequest.html" title="struct mito2::compaction::compactor::OpenCompactionRegionRequest">Open<wbr>Compaction<wbr>Region<wbr>Request</a></dt><dd>OpenCompactionRegionRequest represents the request to open a compaction region.</dd></dl><h2 id="traits" class="section-header">Traits<a href="#traits" class="anchor">§</a></h2><dl class="item-table"><dt><a class="trait" href="trait.Compactor.html" title="trait mito2::compaction::compactor::Compactor">Compactor</a></dt><dd>Compactor is the trait that defines the compaction logic.</dd><dt><a class="trait" href="trait.SstMerger.html" title="trait mito2::compaction::compactor::SstMerger">SstMerger</a></dt><dd>Trait for merging a single compaction output into SST files.</dd></dl><h2 id="functions" class="section-header">Functions<a href="#functions" class="anchor">§</a></h2><dl class="item-table"><dt><a class="fn" href="fn.open_compaction_region.html" title="fn mito2::compaction::compactor::open_compaction_region">open_<wbr>compaction_<wbr>region</a></dt><dd>Open a compaction region from a compaction request.
It’s simple version of RegionOpener::open().</dd></dl></section></div></main></body></html>

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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Compactor is the trait that defines the compaction logic."><title>Compactor in mito2::compaction::compactor - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-17e0aaed.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="mito2" data-themes="" data-resource-suffix="" data-rustdoc-version="1.96.0-nightly (ac7f9ec7d 2026-03-20)" data-channel="nightly" data-search-js="search-63369b7b.js" data-stringdex-js="stringdex-2da4960a.js" data-settings-js="settings-170eb4bf.js" ><script src="../../../static.files/storage-41dd4d93.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../static.files/main-5013f961.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-f7c3ffd8.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc trait"><a class="skip-main-content" href="#main-content">Skip to main content</a><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><rustdoc-topbar><h2><a href="#">Compactor</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../mito2/index.html">mito2</a><span class="version">1.0.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Compactor</a></h2><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.merge_ssts" title="merge_ssts">merge_ssts</a></li><li><a href="#tymethod.update_manifest" title="update_manifest">update_manifest</a></li></ul><h3><a href="#implementors">Implementors</a></h3></section><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>compaction::<wbr>compactor</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content" tabindex="-1"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../../index.html">mito2</a>::<wbr><a href="../index.html">compaction</a>::<wbr><a href="index.html">compactor</a></div><h1>Trait <span class="trait">Compactor</span>&nbsp;<button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../../src/mito2/compaction/compactor.rs.html#279-293">Source</a> </span></div><pre class="rust item-decl"><code>pub trait Compactor:
<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>
+ <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>
+ 'static {
// Required methods
fn <a href="#tymethod.merge_ssts" class="fn">merge_ssts</a>&lt;'life0, 'life1, 'async_trait&gt;(
&amp;'life0 self,
compaction_region: &amp;'life1 <a class="struct" href="struct.CompactionRegion.html" title="struct mito2::compaction::compactor::CompactionRegion">CompactionRegion</a>,
picker_output: <a class="struct" href="../picker/struct.PickerOutput.html" title="struct mito2::compaction::picker::PickerOutput">PickerOutput</a>,
) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = <a class="type" href="../../error/type.Result.html" title="type mito2::error::Result">Result</a>&lt;<a class="struct" href="struct.MergeOutput.html" title="struct mito2::compaction::compactor::MergeOutput">MergeOutput</a>&gt;&gt; + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'async_trait&gt;&gt;
<span class="where">where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait</span>;
<span class="item-spacer"></span> fn <a href="#tymethod.update_manifest" class="fn">update_manifest</a>&lt;'life0, 'life1, 'async_trait&gt;(
&amp;'life0 self,
compaction_region: &amp;'life1 <a class="struct" href="struct.CompactionRegion.html" title="struct mito2::compaction::compactor::CompactionRegion">CompactionRegion</a>,
merge_output: <a class="struct" href="struct.MergeOutput.html" title="struct mito2::compaction::compactor::MergeOutput">MergeOutput</a>,
) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = <a class="type" href="../../error/type.Result.html" title="type mito2::error::Result">Result</a>&lt;<a class="struct" href="../../manifest/action/struct.RegionEdit.html" title="struct mito2::manifest::action::RegionEdit">RegionEdit</a>&gt;&gt; + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'async_trait&gt;&gt;
<span class="where">where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait</span>;
}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Compactor is the trait that defines the compaction logic.</p>
</div></details><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="tymethod.merge_ssts" class="method"><a class="src rightside" href="../../../src/mito2/compaction/compactor.rs.html#281-285">Source</a><h4 class="code-header">fn <a href="#tymethod.merge_ssts" class="fn">merge_ssts</a>&lt;'life0, 'life1, 'async_trait&gt;(
&amp;'life0 self,
compaction_region: &amp;'life1 <a class="struct" href="struct.CompactionRegion.html" title="struct mito2::compaction::compactor::CompactionRegion">CompactionRegion</a>,
picker_output: <a class="struct" href="../picker/struct.PickerOutput.html" title="struct mito2::compaction::picker::PickerOutput">PickerOutput</a>,
) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = <a class="type" href="../../error/type.Result.html" title="type mito2::error::Result">Result</a>&lt;<a class="struct" href="struct.MergeOutput.html" title="struct mito2::compaction::compactor::MergeOutput">MergeOutput</a>&gt;&gt; + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'async_trait&gt;&gt;<div class="where">where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,</div></h4></section></summary><div class="docblock"><p>Merge SST files for a region.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.update_manifest" class="method"><a class="src rightside" href="../../../src/mito2/compaction/compactor.rs.html#288-292">Source</a><h4 class="code-header">fn <a href="#tymethod.update_manifest" class="fn">update_manifest</a>&lt;'life0, 'life1, 'async_trait&gt;(
&amp;'life0 self,
compaction_region: &amp;'life1 <a class="struct" href="struct.CompactionRegion.html" title="struct mito2::compaction::compactor::CompactionRegion">CompactionRegion</a>,
merge_output: <a class="struct" href="struct.MergeOutput.html" title="struct mito2::compaction::compactor::MergeOutput">MergeOutput</a>,
) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = <a class="type" href="../../error/type.Result.html" title="type mito2::error::Result">Result</a>&lt;<a class="struct" href="../../manifest/action/struct.RegionEdit.html" title="struct mito2::manifest::action::RegionEdit">RegionEdit</a>&gt;&gt; + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'async_trait&gt;&gt;<div class="where">where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,</div></h4></section></summary><div class="docblock"><p>Update the manifest after merging SST files.</p>
</div></details></div><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"><div class="negative-marker"></div><section id="impl-Compactor-for-DefaultCompactor%3CM%3E" class="impl"><a class="src rightside" href="../../../src/mito2/compaction/compactor.rs.html#477-628">Source</a><a href="#impl-Compactor-for-DefaultCompactor%3CM%3E" class="anchor">§</a><h3 class="code-header">impl&lt;M&gt; <a class="trait" href="trait.Compactor.html" title="trait mito2::compaction::compactor::Compactor">Compactor</a> for <a class="struct" href="struct.DefaultCompactor.html" title="struct mito2::compaction::compactor::DefaultCompactor">DefaultCompactor</a>&lt;M&gt;<div class="where">where
M: <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> + <a class="trait" href="trait.SstMerger.html" title="trait mito2::compaction::compactor::SstMerger">SstMerger</a>,</div></h3></section></div><script src="../../../trait.impl/mito2/compaction/compactor/trait.Compactor.js" async></script></section></div></main></body></html>

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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Trait for merging a single compaction output into SST files."><title>SstMerger in mito2::compaction::compactor - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-17e0aaed.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="mito2" data-themes="" data-resource-suffix="" data-rustdoc-version="1.96.0-nightly (ac7f9ec7d 2026-03-20)" data-channel="nightly" data-search-js="search-63369b7b.js" data-stringdex-js="stringdex-2da4960a.js" data-settings-js="settings-170eb4bf.js" ><script src="../../../static.files/storage-41dd4d93.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../static.files/main-5013f961.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-f7c3ffd8.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc trait"><a class="skip-main-content" href="#main-content">Skip to main content</a><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><rustdoc-topbar><h2><a href="#">SstMerger</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../mito2/index.html">mito2</a><span class="version">1.0.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">SstMerger</a></h2><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.merge_single_output" title="merge_single_output">merge_single_output</a></li></ul><h3><a href="#implementors">Implementors</a></h3></section><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>compaction::<wbr>compactor</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content" tabindex="-1"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../../index.html">mito2</a>::<wbr><a href="../index.html">compaction</a>::<wbr><a href="index.html">compactor</a></div><h1>Trait <span class="trait">SstMerger</span>&nbsp;<button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../../src/mito2/compaction/compactor.rs.html#300-307">Source</a> </span></div><pre class="rust item-decl"><code>pub trait SstMerger:
<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>
+ <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>
+ 'static {
// Required method
fn <a href="#tymethod.merge_single_output" class="fn">merge_single_output</a>&lt;'life0, 'async_trait&gt;(
&amp;'life0 self,
compaction_region: <a class="struct" href="struct.CompactionRegion.html" title="struct mito2::compaction::compactor::CompactionRegion">CompactionRegion</a>,
output: <a class="struct" href="../struct.CompactionOutput.html" title="struct mito2::compaction::CompactionOutput">CompactionOutput</a>,
write_opts: <a class="struct" href="../../sst/parquet/struct.WriteOptions.html" title="struct mito2::sst::parquet::WriteOptions">WriteOptions</a>,
) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = <a class="type" href="../../error/type.Result.html" title="type mito2::error::Result">Result</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="struct" href="../../sst/file/struct.FileMeta.html" title="struct mito2::sst::file::FileMeta">FileMeta</a>&gt;&gt;&gt; + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'async_trait&gt;&gt;
<span class="where">where Self: 'async_trait,
'life0: 'async_trait</span>;
}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Trait for merging a single compaction output into SST files.</p>
<p>This is extracted from <code>DefaultCompactor</code> to allow injecting mock
implementations in tests.</p>
</div></details><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><section id="tymethod.merge_single_output" class="method"><a class="src rightside" href="../../../src/mito2/compaction/compactor.rs.html#301-306">Source</a><h4 class="code-header">fn <a href="#tymethod.merge_single_output" class="fn">merge_single_output</a>&lt;'life0, 'async_trait&gt;(
&amp;'life0 self,
compaction_region: <a class="struct" href="struct.CompactionRegion.html" title="struct mito2::compaction::compactor::CompactionRegion">CompactionRegion</a>,
output: <a class="struct" href="../struct.CompactionOutput.html" title="struct mito2::compaction::CompactionOutput">CompactionOutput</a>,
write_opts: <a class="struct" href="../../sst/parquet/struct.WriteOptions.html" title="struct mito2::sst::parquet::WriteOptions">WriteOptions</a>,
) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = <a class="type" href="../../error/type.Result.html" title="type mito2::error::Result">Result</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="struct" href="../../sst/file/struct.FileMeta.html" title="struct mito2::sst::file::FileMeta">FileMeta</a>&gt;&gt;&gt; + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'async_trait&gt;&gt;<div class="where">where
Self: 'async_trait,
'life0: 'async_trait,</div></h4></section></div><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"><div class="negative-marker"></div><section id="impl-SstMerger-for-DefaultSstMerger" class="impl"><a class="src rightside" href="../../../src/mito2/compaction/compactor.rs.html#314-446">Source</a><a href="#impl-SstMerger-for-DefaultSstMerger" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.SstMerger.html" title="trait mito2::compaction::compactor::SstMerger">SstMerger</a> for <a class="struct" href="struct.DefaultSstMerger.html" title="struct mito2::compaction::compactor::DefaultSstMerger">DefaultSstMerger</a></h3></section></div><script src="../../../trait.impl/mito2/compaction/compactor/trait.SstMerger.js" async></script></section></div></main></body></html>