It looks like my configuration for changelog.replication.factor is not being applied. Instead the default seems to be applied. I have messages on 2/3 partitions. I am not seeing what I have incorrectly configured.
stores.redelivery-store.factory=org.apache.samza.storage.kv.RocksDbKeyValueStorageEngineFactory stores.redelivery-store.changelog=kafka.delivery-changelog stores.default.changelog.replication.factor=3 Jeremiah Adams Software Engineer www.helixeducation.com Blog | Twitter | Facebook | LinkedIn ________________________________________ From: Jagadish Venkatraman <jagadish1...@gmail.com> Sent: Friday, March 22, 2019 3:01 PM To: dev@samza.apache.org Subject: Re: Empty Kafka topic partition Warning Hi Jeremiah, >> why is the offset 0? This likely means that the change-log is empty and does not have any messages. Can you try consuming from partition-number: 0 using a KafkaConsumer? Best, Jagadish On Fri, Mar 22, 2019 at 11:45 AM Jeremiah Adams <jad...@helixeducation.com> wrote: > I'm seeing these in our log periodically and havn't seen them before. > Does this imply that the topic associated with the change log is being > replayed from the beginning? > > > Also, why is the offset 0? It definitely should not be. We have messages > across all partitions. > > > 2019-03-22 18:30:24 KafkaSystemAdmin [INFO] Fetching SSP metadata for: > [SystemStreamPartition [kafka, delivery-changelog, 0]] > 2019-03-22 18:30:24 KafkaSystemAdmin [WARN] Empty Kafka topic partition > delivery-changelog-0 with upcoming offset 0. Skipping newest offset and > setting oldest offset to 0 to consume from beginning > 2019-03-22 18:30:52 KafkaSystemAdmin [INFO] Fetching SSP metadata for: > [SystemStreamPartition [kafka, delivery-changelog, 0]] > 2019-03-22 18:30:52 KafkaSystemAdmin [WARN] Empty Kafka topic partition > delivery-changelog-0 with upcoming offset 0. Skipping newest offset and > setting oldest offset to 0 to consume from beginning > > > Jeremiah Adams > Software Engineer > https://url.emailprotection.link/?bM9S-3pRw1lv8pYfwa-TwdjElP4W2K6b9vP5Crz22L_YcgsRJ-13h-OgPZSwFtU7GSNTDi1z-jdaRvWESRhtTVA~~<https://url.emailprotection.link/?basKr9vk92a8vVw0XMnK5bmaSKuBc0AuEZ7YasYc7Df8YVt3SYmcjmLWdKMWzAAINWlUUA33ebGI7pSoTl9cg1g~~> > Blog<https://url.emailprotection.link/?basKr9vk92a8vVw0XMnK5bmaSKuBc0AuEZ7YasYc7Df-lAcqG1fqHPpNw-wd9z7HtUJeCG5_8UjCf2mHtn6C_zQ~~> > | Twitter< > https://url.emailprotection.link/?bVO2q0UXR235wN_yOnM0FjqITPdBYMD3reLGNddq-zPV5ChMQK9JwV4Be-QnrbRoXpJl8IcknAqKzYtA3RABKww~~> > | Facebook< > https://url.emailprotection.link/?bUU7m4NfMS_EWGtH1yojBHX9sWZ6uxVdT1eQUkmU5vWY01WFZiS2KJ-c9iLIncdHB7Uw1lRYCprEEpPPQCdiK6Q~~> > | LinkedIn< > https://url.emailprotection.link/?b0ZQfJ1pZYnASyoShs9MJI46-r1lxPhA-JS5VSkR7so-DFP0_HxbOo2LsajGOaoYXxb1ZCOMAu7hZscPCnIKWpXz0cpgQ386SnNHjPcwsu4z90mzBkuwoZc6YxOCzMGA0> > -- Jagadish V, Graduate Student, Department of Computer Science, Stanford University