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dmitriyrazboev
approved these changes
Mar 31, 2026
k-jamroz
reviewed
Mar 31, 2026
| Afterwards, the regular fault tolerance mechanism described above is used. | ||
| This option is not supported when processing guarantees are disabled. | ||
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| Kafka source is a stateful source—it remembers the last processed offset. |
Contributor
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So to ensure no data loss, enable
setRequireSnapshotBeforeProcessing
this is not always necessary
k-jamroz
reviewed
Mar 31, 2026
| partition count of `271` and journal size of `100,000` the journal only | ||
| has space for `370` events per partitions. | ||
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| Map journal source is a stateful source—it remembers the last processed offset. |
Contributor
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So to ensure no data loss
this is not always necessary, eg. with START_FROM_OLDEST, or it might apply in this case only when someone relies on events lost flag.
the docs should be more nuanced
k-jamroz
reviewed
Mar 31, 2026
Co-authored-by: Krzysztof Jamróz <79092062+k-jamroz@users.noreply.github.com>
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https://github.com/hazelcast/hazelcast-mono/pull/5956
https://hazelcast.atlassian.net/browse/CTT-996