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I have rented a Joyent SmartOS machine to host a Neo4j server for my project.

The machine is the Extra Small 0.5 GB (1 vCPU) which means it has 512 Megabytes RAM.

What would you recommend instead of the following neostore. settings?

neostore.nodestore.db.mapped_memory=25M
neostore.relationshipstore.db.mapped_memory=50M
neostore.propertystore.db.mapped_memory=90M
neostore.propertystore.db.strings.mapped_memory=130M
neostore.propertystore.db.arrays.mapped_memory=130M

Some CPU info if needed:

# psrinfo -pv
The physical processor has 6 cores and 12 virtual processors (1 3 5 7 9 11 13 15 17 19 21 23)
  The core has 2 virtual processors (1 13)
  The core has 2 virtual processors (3 15)
  The core has 2 virtual processors (5 17)
  The core has 2 virtual processors (7 19)
  The core has 2 virtual processors (9 21)
  The core has 2 virtual processors (11 23)
    x86 (GenuineIntel 206C2 family 6 model 44 step 2 clock 2400 MHz)
      Intel(r) Xeon(r) CPU           E5645  @ 2.40GHz
The physical processor has 6 cores and 12 virtual processors (0 2 4 6 8 10 12 14 16 18 20 22)
  The core has 2 virtual processors (0 12)
  The core has 2 virtual processors (2 14)
  The core has 2 virtual processors (4 16)
  The core has 2 virtual processors (6 18)
  The core has 2 virtual processors (8 20)
  The core has 2 virtual processors (10 22)
    x86 (GenuineIntel 206C2 family 6 model 44 step 2 clock 2400 MHz)
      Intel(r) Xeon(r) CPU           E5645  @ 2.40GHz
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