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Memory Consumption Parameters

These parameters control system memory usage. You can adjust gp_vmem_protect_limit to avoid running out of memory at the segment hosts during query processing.

gp_vmem_idle_resource_timeout

gp_vmem_protect_limit

gp_vmem_protect_segworker_cache_limit

gp_workfile_limit_files_per_query

gp_workfile_limit_per_query

gp_workfile_limit_per_segment

max_appendonly_tables

max_prepared_transactions

max_stack_depth

shared_buffers

temp_buffers