I'm going to bow out of this discussion since it's been made clear that the
feature is not targeted at streams. But for the record, my desire is to have an
alternative to the timestamp based message choosing strategy streams currently
imposes, and I thought topic prioritization in the consumer could potentially
enable that. See https://issues.apache.org/jira/browse/KAFKA-4113
-Tommy
On Mon, 2019-01-14 at 19:19 -0500, n...@afshartous.com wrote:
Hi Jan,
As discussed, I’ve adopted the position that MessageChooser is orthogonal to
topic prioritization and hence outside the scope of KIP-349.
--
Nick
On Jan 14, 2019, at 12:47 AM, Jan Filipiak
<jan.filip...@trivago.com<mailto:jan.filip...@trivago.com>> wrote:
On 14.01.2019 02:48, n...@afshartous.com<mailto:n...@afshartous.com>
<mailto:n...@afshartous.com<mailto:n...@afshartous.com>> wrote:
On reflection, it would be hard to describe the semantics of an API that tried
to address starvation by temporarily disabling prioritization, and then
oscillating back and forth.
Thus I agree that it makes sense not to try and address starvation to Mathias’
point that this is intended by design. The KIP has been updated to reflect
this by removing the second method.
The semantics of almost everything are hard to describe with only those
two tools at hand. Just here to remember yall that Samza already shows
us the interface of a powerful enough abstraction to get stuff done :)
https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fsamza.apache.org%2Flearn%2Fdocumentation%2F0.12%2Fapi%2Fjavadocs%2Forg%2Fapache%2Fsamza%2Fsystem%2Fchooser%2FMessageChooser.html&data=02%7C01%7CThomas.Becker%40tivo.com%7C442806cbda9d49b2495b08d67a7f1886%7Cd05b7c6912014c0db45d7f1dcc227e4d%7C1%7C0%7C636831083628567804&sdata=KQSr42ldcMoR7xYUgJUOL6U%2FzsQyMGrE7xXXuscQVXA%3D&reserved=0
<https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fsamza.apache.org%2Flearn%2Fdocumentation%2F0.12%2Fapi%2Fjavadocs%2Forg%2Fapache%2Fsamza%2Fsystem%2Fchooser%2FMessageChooser.html&data=02%7C01%7CThomas.Becker%40tivo.com%7C442806cbda9d49b2495b08d67a7f1886%7Cd05b7c6912014c0db45d7f1dcc227e4d%7C1%7C0%7C636831083628567804&sdata=KQSr42ldcMoR7xYUgJUOL6U%2FzsQyMGrE7xXXuscQVXA%3D&reserved=0>
welcome :)
--
[cid:b273dd8104d798cae8911c5c326b64f16294580e.camel@tivo.com] Tommy Becker
Principal Engineer
Personalized Content Discovery
O +1 919.460.4747
tivo.com<http://www.tivo.com/>
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