Caching low-priority user data blocks

You can cache low-priority user data blocks that are not normally stored by FlexScale. Low priority blocks include blocks read in large sequential scans that are not normally reused, and blocks that have been written to the storage system through a network-attached storage (NAS) protocol such as Network File System (NFS). Caching low-priority user data blocks is useful if you have workloads that fit within FlexScale memory and the workloads consist of either write followed by read or large sequential reads.

Considerations

Step

1. To control whether low-priority user data blocks are cached, enter the following command: options flexscale.lopri_data_blocks {on|off}

   The default value is off.

   Setting the option to on caches low-priority user data blocks.