Revision e2256ee1
Modify three parameters while installing dataone-cn-metacat to increase the memory configuration for PostgreSQL:
shared_buffers = 2048MB (postgres docs recommend 25% of RAM, but that seemed high for our application)
max_connections = 400 (Metacat requests 200, replication DAO layer requests 15)
kernel.shmmax = 3GB (the increase in postgres memory is about 2GB, so set the kernel to 3GB for some leeway)
Needs testing.
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