Thanks Matthias. Is there a way to allow users to read change logs from a previous application ?
On Mon, May 23, 2016 at 3:57 PM Matthias J. Sax <matth...@confluent.io> wrote: > Hi Manu, > > Yes. If a StreamTask recovers, it will write to the same change log's > topic partition. Log compaction is enable per default for those topics. > You still might see some duplicates in your output. Currently, Kafka > Streams guarantees at-least-once processing (exactly-once processing is > on the roadmap though). > > > -Matthias > > On 05/23/2016 06:10 AM, Manu Zhang wrote: > > Hi All, > > > > I'm new to Kafka Streams and have a question on change log. > > If a StreamTask fails and is restarted, will the change log be written to > > the old change log's topic partition ? Is it possible for some change > log > > topic partition to have duplicate records so that log compaction is > > required ? > > > > Thanks, > > Manu Zhang > > > >