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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Dear Team,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Could you please help me, after changing the below parameters in PostgreSQL configuration file it was not reflecting in OS level and also Database performance is degrading.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><b>Example</b>: I am using Windows 2008 R2 server with PostGIS database .For PostgreSQL I have allocated 24GB RAM out of 32GB.<o:p></o:p></p><p class=MsoNormal>However after changing the below parameters, In task bar it is showing 2.7GB Utilization even though my utilization is more.<o:p></o:p></p><p class=MsoNormal>So kindly suggest us, whether it will impact or not in Open source PostgreSQL with PostGIS database<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN style='font-size:12.0pt;font-family:Consolas;color:black;border:solid #FBD4A9 1.0pt;padding:0in;background:#FDEAD5'>max_connections = 100<o:p></o:p></span></p><p class=MsoNormal><span lang=EN style='font-size:12.0pt;font-family:Consolas;color:black;border:solid #FBD4A9 1.0pt;padding:0in;background:#FDEAD5'>shared_buffers = 512MB<o:p></o:p></span></p><p class=MsoNormal><span lang=EN style='font-size:12.0pt;font-family:Consolas;color:black;border:solid #FBD4A9 1.0pt;padding:0in;background:#FDEAD5'>effective_cache_size = 24GB<o:p></o:p></span></p><p class=MsoNormal><span lang=EN style='font-size:12.0pt;font-family:Consolas;color:black;border:solid #FBD4A9 1.0pt;padding:0in;background:#FDEAD5'>work_mem = 110100kB<o:p></o:p></span></p><p class=MsoNormal><span lang=EN style='font-size:12.0pt;font-family:Consolas;color:black;border:solid #FBD4A9 1.0pt;padding:0in;background:#FDEAD5'>maintenance_work_mem = 2GB<o:p></o:p></span></p><p class=MsoNormal><span lang=EN style='font-size:12.0pt;font-family:Consolas;color:black;border:solid #FBD4A9 1.0pt;padding:0in;background:#FDEAD5'>checkpoint_segments = 64<o:p></o:p></span></p><p class=MsoNormal><span lang=EN style='font-size:12.0pt;font-family:Consolas;color:black;border:solid #FBD4A9 1.0pt;padding:0in;background:#FDEAD5'>checkpoint_completion_target = 0.9<o:p></o:p></span></p><p class=MsoNormal><span lang=EN style='font-size:12.0pt;font-family:Consolas;color:black;border:solid #FBD4A9 1.0pt;padding:0in;background:#FDEAD5'>wal_buffers = 16MB<o:p></o:p></span></p><p class=MsoNormal><span lang=EN style='font-size:12.0pt;font-family:Consolas;color:black;border:solid #FBD4A9 1.0pt;padding:0in;background:#FDEAD5'>default_statistics_target = 100</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='color:black'>Thanks & Regards<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'>Pradeep Kanth<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>