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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - --background-index reindexing entire workspace every time it's opened"
href="https://bugs.llvm.org/show_bug.cgi?id=42188">42188</a>
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<th>Summary</th>
<td>--background-index reindexing entire workspace every time it's opened
</td>
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<th>Product</th>
<td>clang-tools-extra
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>clangd
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>juliehockett@google.com
</td>
</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<div>
<pre>Enabling the --background-index command in clangd causes the entire index to be
rebuilt every time a workspace is opened. Files appear to be getting re-indexed
even if the timestamp hasn't changed. This makes clangd effectively unusable on
laptops for large projects, as the entire system can become unresponsive during
the re-indexing.
What should happen:
Only files whose timestamps have changed since the last index should be
re-indexed.</pre>
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