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Can swap space usage be managed?

April 26, 2017managed swap usage

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Can swap space usage be managed?

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The entire swap partition is treated as a single global resource to processes running in both global and non-global zones. Before Solaris 10 8/07, you couldn’t limit the amount of swap used by a zone on a per-zone basis. You can globally limit the size of the swap-based filesystems (e.g. /tmp) by using the “size” mount option in the container’s /etc/vfstab file, e.g. “size=200m”. This allows you to decrease the effect of many and/or large files created in /tmp. Starting with Solaris 10 8/07, you can use the capped-memory resource to cap the amount of virtual memory (VM) that a zone uses. This can also be set dynamically with the resource control zone.max-swap.