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stalls caused by USB drive copystalls caused by USB drive copyPosted Jan 13, 2013 0:22 UTC (Sun) by nybble41 (subscriber, #55106)In reply to: stalls caused by USB drive copy by man_ls Parent article: Per-entity load tracking
As I'm hardly an expert, take this with a grain of salt, but I put this line in /etc/sysctl.conf (or /etc/sysctl.d/*.conf):
vm.dirty_bytes = 201326592
This limits total dirty memory to 192MB before the kernel forces processes to work on writing data to disk rather than dirtying new pages. The default is something like 10% of total RAM. It seems to help.
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