[jira] [Commented] (KAFKA-4212) Add a key-value store that is a TTL persistent cache

2016-09-28 Thread Elias Levy (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-4212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15531353#comment-15531353 ] Elias Levy commented on KAFKA-4212: --- I am using the {{KStream.transform}} API, the {{Transform}}

[jira] [Commented] (KAFKA-4212) Add a key-value store that is a TTL persistent cache

2016-09-28 Thread Guozhang Wang (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-4212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15531263#comment-15531263 ] Guozhang Wang commented on KAFKA-4212: -- Ah I thought you are trying to apply the lower-level

[jira] [Commented] (KAFKA-4212) Add a key-value store that is a TTL persistent cache

2016-09-28 Thread Elias Levy (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-4212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15531116#comment-15531116 ] Elias Levy commented on KAFKA-4212: --- But joins are not performed on hopping windows, they are performed

[jira] [Commented] (KAFKA-4212) Add a key-value store that is a TTL persistent cache

2016-09-28 Thread Guozhang Wang (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-4212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15531077#comment-15531077 ] Guozhang Wang commented on KAFKA-4212: -- When creating the windowed store with {code}

[jira] [Commented] (KAFKA-4212) Add a key-value store that is a TTL persistent cache

2016-09-28 Thread Elias Levy (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-4212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15531022#comment-15531022 ] Elias Levy commented on KAFKA-4212: --- Not sure I follow. > Add a key-value store that is a TTL

[jira] [Commented] (KAFKA-4212) Add a key-value store that is a TTL persistent cache

2016-09-28 Thread Elias Levy (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-4212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15530995#comment-15530995 ] Elias Levy commented on KAFKA-4212: --- I would described it as a TTL, not LRU. We want the records to

[jira] [Commented] (KAFKA-4212) Add a key-value store that is a TTL persistent cache

2016-09-28 Thread Guozhang Wang (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-4212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15530909#comment-15530909 ] Guozhang Wang commented on KAFKA-4212: -- Thanks for the detailed description Elias, I think a

[jira] [Commented] (KAFKA-4212) Add a key-value store that is a TTL persistent cache

2016-09-28 Thread Guozhang Wang (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-4212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15530904#comment-15530904 ] Guozhang Wang commented on KAFKA-4212: -- Records within the same window with the same key will

[jira] [Commented] (KAFKA-4212) Add a key-value store that is a TTL persistent cache

2016-09-27 Thread Elias Levy (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-4212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15527841#comment-15527841 ] Elias Levy commented on KAFKA-4212: --- Looks like using {{WindowStore}} is not quite so simple, as you

[jira] [Commented] (KAFKA-4212) Add a key-value store that is a TTL persistent cache

2016-09-26 Thread Elias Levy (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-4212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15524513#comment-15524513 ] Elias Levy commented on KAFKA-4212: --- More generally, the use case is: I've told a bunch of folks about

[jira] [Commented] (KAFKA-4212) Add a key-value store that is a TTL persistent cache

2016-09-26 Thread Elias Levy (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-4212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15524402#comment-15524402 ] Elias Levy commented on KAFKA-4212: --- The general use case is the joining of updates to two tables over a

[jira] [Commented] (KAFKA-4212) Add a key-value store that is a TTL persistent cache

2016-09-26 Thread Guozhang Wang (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-4212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15524186#comment-15524186 ] Guozhang Wang commented on KAFKA-4212: -- Hello [~elevy], thanks for reporting this feature request.

[jira] [Commented] (KAFKA-4212) Add a key-value store that is a TTL persistent cache

2016-09-25 Thread Elias Levy (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-4212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15521287#comment-15521287 ] Elias Levy commented on KAFKA-4212: --- I should be noted that a variable-capacity memory-overflowing TTL