CODEWITHSUNDEEP
apache-kafkasiddhi
Alexander Goida
Alexander Goida

Reputation: 374

Siddhi Kafka source sometime produces two events for a single source event

I'm testing pattern locally in Siddhi tooling 5.1.2 deployed to Docker.

I've got Kafka topic with 7 events, which visible using other monitoring tools. I defined a source and store all events to rdbms. A query is very simple: from my_stream select * insert into my_table; By some reason, in DB I see 17 records which are actually 7 pairs of identical events. There is no special configuration, no errors.

I've tried to down && up docker-compose with the tooling, changed group-id of the source. Sometimes changing of group-id helps, but the problem comes back.

I would expect only 7 events to be read and stored to DB.

Why could it produce duplicated events?

Upvotes: 0

Views: 89

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