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https://issues.apache.org/jira/browse/KAFKA-3927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15363608#comment-15363608
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Shawn Guo edited comment on KAFKA-3927 at 7/6/16 2:35 AM:
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these parameters have default value in 0.8 version in config docs(as below).
https://kafka.apache.org/08/configuration.html
log.flush.interval.ms 3000
log.flush.scheduler.interval.ms 3000
log.flush.interval.messages 10000
For latest version, both log.flush.interval.ms and log.flush.interval.messages
become passive and no explicit default value. Does it mean that "official
recommends not to set these and use replication for durability and allow the
operating system's background flush capabilities as it is more efficient"?
If it is true, I will close this issue. maybe I have a wrong understanding of
recent durability strategy changes.
was (Author: guoxu1231):
these parameters have default value in 0.8 version in config docs(as below).
https://kafka.apache.org/08/configuration.html
log.flush.interval.ms 3000
log.flush.scheduler.interval.ms 3000
log.flush.interval.messages 10000
For latest version, both log.flush.interval.ms and log.flush.interval.messages
become passive and no explicit default value. Does it mean that official
recommends not to set these and use replication for durability and allow the
operating system's background flush capabilities as it is more efficient?
If it is true, I will close this issue. maybe I have a wrong understanding of
recent durability strategy changes.
> kafka broker config docs issue
> ------------------------------
>
> Key: KAFKA-3927
> URL: https://issues.apache.org/jira/browse/KAFKA-3927
> Project: Kafka
> Issue Type: Bug
> Components: website
> Affects Versions: 0.10.0.0
> Reporter: Shawn Guo
> Priority: Minor
>
> https://kafka.apache.org/documentation.html#brokerconfigs
> log.flush.interval.messages
> default value is "9223372036854775807"
> log.flush.interval.ms
> default value is null
> log.flush.scheduler.interval.ms
> default value is "9223372036854775807"
> etc. obviously these default values are incorrect. how these doc get
> generated ? it looks confusing.
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