USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
yz         10972  0.0  0.0   4248  3624 pts/1    S    11:43   0:00 -bash
yz         13610  0.1  0.4 5958516 150996 ?      Ss   12:04   0:00 postgres -D pg_db
yz         13613  0.0  0.0 5958516 3396 ?        Ss   12:04   0:00 postgres: checkpointer
yz         13614  0.0  0.1 5958676 43340 ?       Ss   12:04   0:00 postgres: background writer
yz         13616  0.1  0.5 16557636 168532 ?     Ssl  12:04   0:00 postgres: PG-Strom GPU Service
yz         13629  0.0  0.0 5958516 20828 ?       Ss   12:04   0:00 postgres: walwriter
yz         13631  0.0  0.0 5960140 5760 ?        Ss   12:04   0:00 postgres: autovacuum launcher
yz         13633  0.0  0.0 5960144 6156 ?        Ss   12:04   0:00 postgres: logical replication launcher