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Save matthiasg/bdc6cf1e5356cb9a90e39d8ea399b47f to your computer and use it in GitHub Desktop.
Limit the SmartOS (and Solaris?) ARC to a maximum of 256Mb. Works live, no reboot needed :)
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| #!/bin/bash | |
| echo "arc_stats::print -a arcstat_p.value.ui64" | mdb -kw > value.ui64 | |
| ui64=$(cat value.ui64) | |
| echo "${ui64:0:16}/Z 0x10000000" | mdb -kw | |
| echo "arc_stats::print -a arcstat_c.value.ui64" | mdb -kw > value.ui64 | |
| ui64=$(cat value.ui64) | |
| echo "${ui64:0:16}/Z 0x10000000" | mdb -kw | |
| echo "arc_stats::print -a arcstat_c_max.value.ui64" | mdb -kw > value.ui64 | |
| ui64=$(cat value.ui64) | |
| echo "${ui64:0:16}/Z 0x10000000" | mdb -kw | |
| rm value.ui64 |
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