https://wiki.eofnet.lt/w//index.php?action=history&feed=atom&title=Hdd_benchmark 2026-04-21T09:57:22Z Šio puslapio versijų istorija projekte MediaWiki 1.35.1 https://wiki.eofnet.lt/w//index.php?title=Hdd_benchmark&diff=9038&oldid=prev 2020-01-22T06:21:47Z

<p>Naujas puslapis: dd if=/dev/zero of=output conv=fdatasync bs=384k count=1k; rm -f output Write speed $ dd if=/dev/zero of=./largefile bs=1M count=1024 1024+0 records in 1024+0 records out...</p> <p><b>Naujas puslapis</b></p><div><br /> dd if=/dev/zero of=output conv=fdatasync bs=384k count=1k; rm -f output<br /> <br /> Write speed<br /> <br /> $ dd if=/dev/zero of=./largefile bs=1M count=1024<br /> 1024+0 records in<br /> 1024+0 records out<br /> 1073741824 bytes (1.1 GB) copied, 4.82364 s, 223 MB/s<br /> Block size is actually quite large. You can try with smaller sizes like 64k or even 4k.<br /> <br /> Read speed<br /> <br /> Run the following command to clear the memory cache<br /> <br /> $ sudo sh -c &quot;sync &amp;&amp; echo 3 &gt; /proc/sys/vm/drop_caches&quot;<br /> Now read the file which was created in write test:<br /> <br /> $ dd if=./largefile of=/dev/null bs=4k<br /> 165118+0 records in<br /> 165118+0 records out<br /> 676323328 bytes (676 MB) copied, 3.0114 s, 225 MB/s<br /> <br /> [[Category:Benchmark]]<br /> [[Category:Serveriai]]<br /> {{Template:Distributions}}</div>

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