https://wiki.eofnet.lt/w//index.php?action=history&feed=atom&title=Linux_vm_tuning 2026-04-19T09:01:50Z Šio puslapio versijų istorija projekte MediaWiki 1.35.1 https://wiki.eofnet.lt/w//index.php?title=Linux_vm_tuning&diff=7954&oldid=prev 2016-08-26T07:23:14Z

<p>Naujas puslapis: Testuota su &#039;&#039;&#039;zen-kernel&#039;&#039;&#039;. # The percentage of total system memory at which ALL dirty pages must be # commited to disk. Writes after this will block until pdflush is done...</p> <p><b>Naujas puslapis</b></p><div>Testuota su '''zen-kernel'''.<br /> <br /> # The percentage of total system memory at which ALL dirty pages must be <br /> # commited to disk. Writes after this will block until pdflush is done<br /> ##echo 24 &gt; /proc/sys/vm/dirty_ratio<br /> # The percentage of total system memory that can be filled with dirty pages<br /> # waiting to be written to disk by pdflush. Triggering this will not block new writes.<br /> ##echo 6 &gt; /proc/sys/vm/dirty_background_ratio<br /> # Both can be instead set bytes<br /> echo $((256*1024*1024)) &gt; /proc/sys/vm/dirty_bytes<br /> echo $((64*1024*1024)) &gt; /proc/sys/vm/dirty_background_bytes<br /> # how long something can be in cache before it needs to be written (2300/100=23s)<br /> echo 2300 &gt; /proc/sys/vm/dirty_expire_centisecs <br /> # how often the kernel wakes up and check to see if work needs to be done<br /> echo 700 &gt; /proc/sys/vm/dirty_writeback_centisecs<br /> <br /> <br /> [[Category:Linux]]</div>

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