Tuesday, 31 May 2016


LAG EXTRACT is the command to determine a true lag time between Extract and the data source. LAG EXTRACT calculates the lag time more precisely than INFO EXTRACT because it communicates with Extract directly, rather than reading a checkpoint position in the trail.

For Extract, lag is the difference, in seconds, between the time that a record was processed by Extract (based on the system clock) and the timestamp of that record in the data source.

An example :-

GGSCI (node07.example.com) 2> lag extract ext1

Sending GETLAG request to EXTRACT EXT1 ...
Last record lag 2 seconds.
At EOF, no more records to process.

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