The PostgreSQL processes are suffering from high CPU utilization
Issue
From top command, each thread of postmaster was suffering high CPU utilization:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
20161 ovirt 20 0 20.0g 4.4g 18m S 141.2 14.0 193:52.46 java
20723 postgres 20 0 5523m 117m 49m R 93.3 0.4 61:57.85 postmaster
20604 postgres 20 0 5527m 116m 49m R 88.1 0.4 54:26.44 postmaster
20823 postgres 20 0 5523m 115m 48m R 87.5 0.4 55:58.31 postmaster
.....omitted.....
Environment
Red Hat Enterprise Virtualization 3.1
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