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Dissertaç ˜ao de Mestrado Mestrado em Engenharia Informática Jo ...

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B. APPENDIX - EVALUATION B.6. Performance Validation File 3<br />

max_fsm_pages = 153600<br />

#max_fsm_relations = 1000 # min 100, ˜70 bytes each<br />

# - Kernel Resource Usage -<br />

#max_files_per_process = 1000 # min 25<br />

# (change requires restart)<br />

# (change requires restart)<br />

#shared_preload_libraries = ’’ # (change requires restart)<br />

# - Cost-Based Vacuum Delay -<br />

#vacuum_cost_<strong>de</strong>lay = 0 # 0-1000 milliseconds<br />

#vacuum_cost_page_hit = 1 # 0-10000 credits<br />

#vacuum_cost_page_miss = 10 # 0-10000 credits<br />

#vacuum_cost_page_dirty = 20 # 0-10000 credits<br />

#vacuum_cost_limit = 200 # 1-10000 credits<br />

# - Background Writer -<br />

#bgwriter_<strong>de</strong>lay = 200ms # 10-10000ms between rounds<br />

#bgwriter_lru_maxpages = 100 # 0-1000 max buffers written/<br />

round<br />

#bgwriter_lru_multiplier = 2.0 # 0-10.0 multipler on buffers<br />

scanned/round<br />

#-----------------------------------------------------------------------------<br />

# WRITE AHEAD LOG<br />

#-----------------------------------------------------------------------------<br />

fsync = on<br />

synchronous_commit = on<br />

commit_<strong>de</strong>lay = 0<br />

commit_siblings = 1<br />

# - Settings -<br />

147

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