pg_stat_get_backend_io(backend_pid integer, OUT backend_type text, OUT object text, OUT context text, OUT reads bigint, OUT read_bytes numeric, OUT read_time double precision, OUT writes bigint, OUT write_bytes numeric, OUT write_time double precision, OUT writebacks bigint, OUT writeback_time double precision, OUT extends bigint, OUT extend_bytes numeric, OUT extend_time double precision, OUT hits bigint, OUT evictions bigint, OUT reuses bigint, OUT fsyncs bigint, OUT fsync_time double precision, OUT stats_reset timestamp with time zone)


Description

statistics: backend IO statistics

Parameters

Name Type Mode
backend_pid integer IN
backend_type text OUT
object text OUT
context text OUT
reads bigint OUT
read_bytes numeric OUT
read_time double precision OUT
writes bigint OUT
write_bytes numeric OUT
write_time double precision OUT
writebacks bigint OUT
writeback_time double precision OUT
extends bigint OUT
extend_bytes numeric OUT
extend_time double precision OUT
hits bigint OUT
evictions bigint OUT
reuses bigint OUT
fsyncs bigint OUT
fsync_time double precision OUT
stats_reset timestamp with time zone OUT

Definition