9141582592
Decrease the mimimum ARC size from 1/32 of total system memory (or 64MB) to a much smaller 4MB. 1) Large systems with over a 1TB of memory are being deployed and reserving 1/32 of this memory (32GB) as the mimimum requirement is overkill. 2) Tiny systems like the raspberry pi may only have 256MB of memory in which case 64MB is far too large. The ARC should be reclaimable if the VFS determines it needs the memory for some other purpose. If you want to ensure the ARC is never completely reclaimed due to memory pressure you may still set a larger value with zfs_arc_min. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Prakash Surya <surya1@llnl.gov> Issue #2110 |
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