You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2023/03/09 09:33:49 UTC
[GitHub] [pulsar] startjava created a discussion: why ”only applied once“
GitHub user startjava created a discussion: why ”only applied once“
https://github.com/apache/pulsar/wiki/PIP-6:-Guaranteed-Message-Deduplication
`If the state change from processing the data and the message id associated with the data are updated atomically, then the application can make sure that the state transitions triggered by the messages read from the topic are only applied once.`
why "once“？ not can "more"??
@merlimat @sijie
GitHub link: https://github.com/apache/pulsar/discussions/19763
----
This is an automatically sent email for commits@pulsar.apache.org.
To unsubscribe, please send an email to: commits-unsubscribe@pulsar.apache.org
[GitHub] [pulsar] startjava added a comment to the discussion: why ”only applied once“
Posted by GitBox <gi...@apache.org>.
GitHub user startjava added a comment to the discussion: why ”only applied once“
`Since with topic reader we can cover the the "message consumption" side, to close the circle we need to ensure that messages are published exactly one time in the topic.`
what is "circle",why close it ?
GitHub link: https://github.com/apache/pulsar/discussions/19763#discussioncomment-5252304
----
This is an automatically sent email for commits@pulsar.apache.org.
To unsubscribe, please send an email to: commits-unsubscribe@pulsar.apache.org
[GitHub] [pulsar] startjava edited a discussion: about "PIP 6: Guaranteed Message Deduplication"
Posted by GitBox <gi...@apache.org>.
GitHub user startjava edited a discussion: about "PIP 6: Guaranteed Message Deduplication"
https://github.com/apache/pulsar/wiki/PIP-6:-Guaranteed-Message-Deduplication
`If the state change from processing the data and the message id associated with the data are updated atomically, then the application can make sure that the state transitions triggered by the messages read from the topic are only applied once.`
why "once“？ not can "more"??
"If the state change"，what state？？
@merlimat @sijie
GitHub link: https://github.com/apache/pulsar/discussions/19763
----
This is an automatically sent email for commits@pulsar.apache.org.
To unsubscribe, please send an email to: commits-unsubscribe@pulsar.apache.org
[GitHub] [pulsar] startjava edited a discussion: about "PIP 6: Guaranteed Message Deduplication"
Posted by GitBox <gi...@apache.org>.
GitHub user startjava edited a discussion: about "PIP 6: Guaranteed Message Deduplication"
https://github.com/apache/pulsar/wiki/PIP-6:-Guaranteed-Message-Deduplication
`If the state change from processing the data and the message id associated with the data are updated atomically, then the application can make sure that the state transitions triggered by the messages read from the topic are only applied once.`
why "once“？ not can "more"??
@merlimat @sijie
GitHub link: https://github.com/apache/pulsar/discussions/19763
----
This is an automatically sent email for commits@pulsar.apache.org.
To unsubscribe, please send an email to: commits-unsubscribe@pulsar.apache.org