Hi, We have a problem where PostgreSQL will restart or shutdown when calling it through PDAL write filter. This was after we applied pgtune on the postgresql.conf.
These are the settings on the machine: Virtual Machine - Ubuntu 13.10 1.92GB Memory 2 Parallel Processors And these are the configurations from pgtune: #------------------------------------------------------------------------------ # CUSTOMIZED OPTIONS #------------------------------------------------------------------------------ default_statistics_target = 50 # pgtune wizard 2013-11-14 maintenance_work_mem = 112MB # pgtune wizard 2013-11-14 constraint_exclusion = on # pgtune wizard 2013-11-14 checkpoint_completion_target = 0.9 # pgtune wizard 2013-11-14 effective_cache_size = 1408MB # pgtune wizard 2013-11-14 work_mem = 11MB # pgtune wizard 2013-11-14 wal_buffers = 8MB # pgtune wizard 2013-11-14 checkpoint_segments = 16 # pgtune wizard 2013-11-14 shared_buffers = 448MB # pgtune wizard 2013-11-14 max_connections = 80 # pgtune wizard 2013-11-14 I have also set the shmmax to a higher value to adapt to the new configurations but it does not seem to solve the problem. Below is a snippet of the postgresql.log: 2013-11-15 11:02:35 CET LOG: could not fork autovacuum worker process: Cannot allocate memory 2013-11-15 11:02:36 CET LOG: could not send data to client: Broken pipe 2013-11-15 11:02:36 CET LOG: unexpected EOF on client connection Thanks Zhi Feng