ClickHouse/website/templates/index/efficient.html
2020-03-13 22:35:03 +03:00

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<h2 id="hardware-efficient" class="my-4">Hardware efficient</h2>
<p class="lead">ClickHouse processes typical analytical queries two to three orders of magnitude faster than traditional
row-oriented systems with the same available I/O throughput and CPU capacity. The system's columnar storage format allows fitting
more hot data in RAM, which leads to a shorter typical response times.</p>
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<h3>Strives for CPU efficiency</h3>
<p>Vectorized query execution involves relevant SIMD processor instructions
and runtime code generation. Processing data in columns increases CPU line cache hit rate.</p>
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<h3>Optimizes disk drive access</h3>
<p>ClickHouse minimizes the number of seeks for range queries, which increases efficiency of using rotational
disk drives, as it maintains locality of reference for continually stored data.</p>
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<h3>Minimizes data transfers</h3>
<p>ClickHouse enables companies to manage their data and
create reports without using specialized networks that are aimed at high-performance computing.</p>
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<img src="images/curl.svg" alt="ClickHouse не тормозит" />
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