This operator allows to add a new system load to the meta data.
#PARSER PQL
#METADATA SystemLoad
#METADATA TimeInterval
#RUNQUERY
sysload := ACCESS({
source='Systemload',
wrapper='GenericPush',
transport='Timer',
protocol='systemload',
datahandler='Tuple',
options=[['period', '2000']]
}
)
#RUNQUERY
two = SYSTEMLOAD(sysload)