Ingestion of data to Elasticsearch using lostash with incremental data

Hi All,

I am ingesting data from SQL to Elastic cloud
If i ingest a SQL table twice it is ingesting two times but I want to ingest only the new data
Suppose if a table has 10 records at first ingestion after that 2 records added while second ingestion it has 12 records, Now I want to ingest only those 2 records that are newly added
Kindly let me know if any one knows the steps for it.