http://kafka.apache.org/documentation.html#configuration now has the
following entry.
log.retention.{minutes,hours}
Thanks,
Jun
On Thu, Aug 21, 2014 at 7:44 AM, François Langelier <f.langel...@gmail.com>
wrote:
> Thanks Jun,
>
> I don't see changes in the documentation :(
> Just to be sure,
>
> We can either use "*log.retention.hours*" (giving the number of *hours* you
> want the retention to last) or "*log.retention.minutes*" (giving the number
> of *minutes* you want the retention to last) for all the topics (in
> server.properties)
> And we can use "*retention.ms <http://retention.ms>*" (giving the number
> of *milliseconds* you want the retention to last) for a specific topic.
>
> If so, why log.retention.hours isn't written here
> http://kafka.apache.org/documentation.html#configuration
>
> if not, there is a example using "log.retention.hours"
> http://kafka.apache.org/documentation.html#config and also in the example
> of the server.properties on github.
>
>
>
> François Langelier
> Étudiant en génie Logiciel - École de Technologie Supérieure
> <http://www.etsmtl.ca/>
> Capitaine Club Capra <http://capra.etsmtl.ca/>
> VP-Communication - CS Games <http://csgames.org> 2014
> Jeux de Génie <http://www.jdgets.com/> 2011 à 2014
> Magistrat Fraternité du Piranha <http://fraternitedupiranha.com/>
> Comité Organisateur Olympiades ÉTS 2012
> Compétition Québécoise d'Ingénierie 2012 - Compétition Senior
>
>
> On Thu, Aug 21, 2014 at 12:50 AM, Jun Rao <jun...@gmail.com> wrote:
>
> > Added to the documentation. Topic level retentions is called
> retention.ms
> > and can be found in
> > http://kafka.apache.org/documentation.html#configuration
> >
> > Thanks,
> >
> > Jun
> >
> >
> > On Fri, Aug 15, 2014 at 12:32 PM, François Langelier <
> > f.langel...@gmail.com>
> > wrote:
> >
> > > UP! Can someone add the log.retention.hours in the documentation?
> > >
> > > And is the retention.hours or retention.minutes available for the
> > by-topic
> > > configuration?
> > >
> > >
> > >
> > > François Langelier
> > > Étudiant en génie Logiciel - École de Technologie Supérieure
> > > <http://www.etsmtl.ca/>
> > > Capitaine Club Capra <http://capra.etsmtl.ca/>
> > > VP-Communication - CS Games <http://csgames.org> 2014
> > > Jeux de Génie <http://www.jdgets.com/> 2011 à 2014
> > > Magistrat Fraternité du Piranha <http://fraternitedupiranha.com/>
> > > Comité Organisateur Olympiades ÉTS 2012
> > > Compétition Québécoise d'Ingénierie 2012 - Compétition Senior
> > >
> > >
> > > On Thu, Jul 10, 2014 at 11:16 PM, Virendra Pratap Singh <
> > > vpsi...@yahoo-inc.com.invalid> wrote:
> > >
> > > > No worries, its working. My deployment was flawed and it was running
> > > > 0.8.0, while I was under the impression that its running 0.8.1.1.
> > > > After going to proper 0.8.1.1, the parameter started working
> properly.
> > > >
> > > > On 7/10/14, 2:18 PM, "Virendra Pratap Singh" <vpsi...@yahoo-inc.com>
> > > > wrote:
> > > >
> > > > >Has someone really used : log.retention.minutes in kafka 0.8.1.1.
> > > > >I have my full cluster running on 0.8.1.1 and the logs data is just
> > not
> > > > >getting cleaned up.
> > > > >
> > > > >And I see this message in kafka server.log
> > > > >...
> > > > >[2014-07-10 20:49:43,786] WARN Property log.retention.minutes is not
> > > valid
> > > > >(kafka.utils.VerifiableProperties)
> > > > >[2014-07-10 20:49:43,786] WARN Property log.retention.minutes is not
> > > valid
> > > > >(kafka.utils.VerifiableProperties)
> > > > >....
> > > > >
> > > > >Virendra
> > > > >
> > > > >On 7/10/14, 10:07 AM, "Virendra Pratap Singh"
> > > > ><vpsi...@yahoo-inc.com.INVALID> wrote:
> > > > >
> > > > >>Thank you for pointing out to JIRA.
> > > > >>
> > > > >>On 7/9/14, 6:38 PM, "Jun Rao" <jun...@gmail.com> wrote:
> > > > >>
> > > > >>>This is being worked on in
> > > > >>>https://issues.apache.org/jira/browse/KAFKA-1325
> > > > >>>
> > > > >>>Thanks,
> > > > >>>
> > > > >>>Jun
> > > > >>>
> > > > >>>
> > > > >>>On Wed, Jul 9, 2014 at 11:42 AM, Virendra Pratap Singh <
> > > > >>>vpsi...@yahoo-inc.com.invalid> wrote:
> > > > >>>
> > > > >>>> Well currently the log rollup is controlled via
> > > > >>>>
> > > > >>>> log.roll.hours
> > > > >>>> Or
> > > > >>>> log.segment.bytes
> > > > >>>>
> > > > >>>> Given that we now have support to log retention in minutes, I
> > guess
> > > it
> > > > >>>> would be apt to have rollup also have capability to be available
> > in
> > > > >>>> minutes. Whom/where should I ask to have that coded in.
> > > > >>>>
> > > > >>>> One a similar note, I would genuinely want all the size and time
> > > based
> > > > >>>> parameters to be defined at bytes and ms level. This would make
> it
> > > > >>>>generic
> > > > >>>> enough to have user choose and define kind of setting they want
> > and
> > > > >>>>not
> > > > >>>> require someone to go and change the code to support a new use
> > case.
> > > > >>>> Having hours/minutes in config will just cause
> > > proliferation/bloating
> > > > >>>>of
> > > > >>>> config parameters. What is a good place to air this suggestion.
> > > > >>>>Anyone?
> > > > >>>>
> > > > >>>> Virendra
> > > > >>>>
> > > > >>>> On 7/9/14, 7:21 AM, "Jun Rao" <jun...@gmail.com> wrote:
> > > > >>>>
> > > > >>>> >Actually, Kafka only removes old segments. The last (active)
> > > segment
> > > > >>>>is
> > > > >>>> >never removed. So, f you want to have a 10 min retention, you
> > need
> > > to
> > > > >>>> >configure log rolling such that log segments are rolled at
> least
> > > > >>>>every
> > > > >>>>10
> > > > >>>> >mins.
> > > > >>>> >
> > > > >>>> >Thanks,
> > > > >>>> >
> > > > >>>> >Jun
> > > > >>>> >
> > > > >>>> >
> > > > >>>> >On Tue, Jul 8, 2014 at 10:04 PM, Virendra Pratap Singh <
> > > > >>>> >vpsi...@yahoo-inc.com.invalid> wrote:
> > > > >>>> >
> > > > >>>> >> That's correct. The server where in I was running 0.8.1.1 was
> > not
> > > > >>>> >>honoring
> > > > >>>> >> this parameter, despite the fact it was set in it
> > > > >>>>server.properties.
> > > > >>>> >> Not sure if this fact would play any role, the server which
> was
> > > > >>>>running
> > > > >>>> >> 0.8.0 was the leader for all the topics and partition in my
> > > setup.
> > > > >>>>And
> > > > >>>> >>the
> > > > >>>> >> second server running 0.8.1.1 has all the replicas
> (follower).
> > > > >>>> >>
> > > > >>>> >> Virendra
> > > > >>>> >>
> > > > >>>> >> On 7/8/14, 12:54 PM, "Guozhang Wang" <wangg...@gmail.com>
> > wrote:
> > > > >>>> >>
> > > > >>>> >> >Server properties should affect on only the local instance
> > > > >>>>separately.
> > > > >>>> >>Are
> > > > >>>> >> >you saying the property is not honored even on the 0.8.1
> > > machines?
> > > > >>>> >> >
> > > > >>>> >> >Guozhang
> > > > >>>> >> >
> > > > >>>> >> >On Mon, Jul 7, 2014 at 3:55 PM, Virendra Pratap Singh <
> > > > >>>> >> >vpsi...@yahoo-inc.com.invalid> wrote:
> > > > >>>> >> >
> > > > >>>> >> >> By setting this property
> > > > >>>> >> >> log.retention.mins=10
> > > > >>>> >> >> in the server.properties file, which is passed as argument
> > > when
> > > > >>>> >>starting
> > > > >>>> >> >> the broker.
> > > > >>>> >> >>
> > > > >>>> >> >> Virendra
> > > > >>>> >> >>
> > > > >>>> >> >> On 7/7/14, 3:31 PM, "Guozhang Wang" <wangg...@gmail.com>
> > > wrote:
> > > > >>>> >> >>
> > > > >>>> >> >> >How do you set the retention.minutes property? Is it
> > through
> > > > >>>> >>zk-based
> > > > >>>> >> >> >topics tool?
> > > > >>>> >> >> >
> > > > >>>> >> >> >Guozhang
> > > > >>>> >> >> >
> > > > >>>> >> >> >
> > > > >>>> >> >> >On Mon, Jul 7, 2014 at 3:07 PM, Virendra Pratap Singh <
> > > > >>>> >> >> >vpsi...@yahoo-inc.com.invalid> wrote:
> > > > >>>> >> >> >
> > > > >>>> >> >> >> I am running a mixed cluster as I mentioned earlier. 1
> > > broker
> > > > >>>> >>0.8.0
> > > > >>>> >> >>and
> > > > >>>> >> >> >> the other 0.8.1.1. Should the retention of topics for
> > > > >>>>partitions
> > > > >>>> >> >> >> owned/replicated by the broker running 0.8.1.1 not
> > enforce
> > > > >>>>the
> > > > >>>> >>server
> > > > >>>> >> >> >> properties settings as defined for that server.
> > > > >>>> >> >> >>
> > > > >>>> >> >> >> So this brings an interesting question, in case of
> > > > >>>>heterogeneous
> > > > >>>> >> >> >> environment (as is in my case, which system parameters
> > will
> > > > >>>>take
> > > > >>>> >> >> >> preference/precedence).
> > > > >>>> >> >> >>
> > > > >>>> >> >> >> Virendra
> > > > >>>> >> >> >>
> > > > >>>> >> >> >> On 6/30/14, 9:19 AM, "Guozhang Wang" <
> wangg...@gmail.com
> > >
> > > > >>>>wrote:
> > > > >>>> >> >> >>
> > > > >>>> >> >> >> >The retention.minute property is only introduced in
> > 0.8.1:
> > > > >>>> >> >> >> >
> > > > >>>> >> >> >> >https://issues.apache.org/jira/browse/KAFKA-918
> > > > >>>> >> >> >> >
> > > > >>>> >> >> >> >if you are running 0.8.0 then it will not be
> recognized.
> > > > >>>> >> >> >> >
> > > > >>>> >> >> >> >Guozhang
> > > > >>>> >> >> >> >
> > > > >>>> >> >> >> >
> > > > >>>> >> >> >> >
> > > > >>>> >> >> >> >On Fri, Jun 27, 2014 at 2:13 PM, Virendra Pratap
> Singh <
> > > > >>>> >> >> >> >vpsi...@yahoo-inc.com.invalid> wrote:
> > > > >>>> >> >> >> >
> > > > >>>> >> >> >> >> Running a mixed 2 broker cluster. Mixed as in one of
> > the
> > > > >>>> >>broker1
> > > > >>>> >> >>is
> > > > >>>> >> >> >> >> running 0.8.0 and broker2 one 0.8.1.1 (from the
> apache
> > > > >>>>release
> > > > >>>> >> >>link.
> > > > >>>> >> >> >> >> Directly using the tar ball, no local build used).
> > > > >>>> >> >> >> >>
> > > > >>>> >> >> >> >> I have set the log.retention.minutes=10. However the
> > > > >>>>broker
> > > > >>>>is
> > > > >>>> >>not
> > > > >>>> >> >> >> >> honoring the setting. I see its not cleaning the
> > log.dir
> > > > >>>>at
> > > > >>>> >>all.
> > > > >>>> >> >> >> >>
> > > > >>>> >> >> >> >> However when I set the log.retention.hours=1, then
> it
> > > > >>>>starts
> > > > >>>> >> >>cleaning
> > > > >>>> >> >> >> >>the
> > > > >>>> >> >> >> >> log.
> > > > >>>> >> >> >> >>
> > > > >>>> >> >> >> >> When I have the log.retention.minutes set in the
> > > > >>>> >>server.properties
> > > > >>>> >> >> >>then
> > > > >>>> >> >> >> >>I
> > > > >>>> >> >> >> >> see this logged in server.log:
> > > > >>>> >> >> >> >>
> > > > >>>> >> >> >> >> Š..
> > > > >>>> >> >> >> >> [2014-06-27 19:21:06,633] WARN Property
> > > > >>>>log.retention.minutes
> > > > >>>> >>is
> > > > >>>> >> >>not
> > > > >>>> >> >> >> >>valid
> > > > >>>> >> >> >> >> (kafka.utils.VerifiableProperties)
> > > > >>>> >> >> >> >> [2014-06-27 19:21:06,633] WARN Property
> > > > >>>>log.retention.minutes
> > > > >>>> >>is
> > > > >>>> >> >>not
> > > > >>>> >> >> >> >>valid
> > > > >>>> >> >> >> >> (kafka.utils.VerifiableProperties)
> > > > >>>> >> >> >> >> ŠŠ
> > > > >>>> >> >> >> >>
> > > > >>>> >> >> >> >>
> > > > >>>> >> >> >> >> I have set these properties too:
> > > > >>>> >> >> >> >>
> > > > >>>> >> >> >> >> log.cleaner.enable=true
> > > > >>>> >> >> >> >> log.cleanup.policy=delete
> > > > >>>> >> >> >> >>
> > > > >>>> >> >> >> >>
> > > > >>>> >> >> >> >> But I see similar warning logged for these
> properties
> > > too.
> > > > >>>> >> >> >> >>
> > > > >>>> >> >> >> >> Regards,
> > > > >>>> >> >> >> >> Virendra
> > > > >>>> >> >> >> >>
> > > > >>>> >> >> >> >>
> > > > >>>> >> >> >> >
> > > > >>>> >> >> >> >
> > > > >>>> >> >> >> >--
> > > > >>>> >> >> >> >-- Guozhang
> > > > >>>> >> >> >>
> > > > >>>> >> >> >>
> > > > >>>> >> >> >
> > > > >>>> >> >> >
> > > > >>>> >> >> >--
> > > > >>>> >> >> >-- Guozhang
> > > > >>>> >> >>
> > > > >>>> >> >>
> > > > >>>> >> >
> > > > >>>> >> >
> > > > >>>> >> >--
> > > > >>>> >> >-- Guozhang
> > > > >>>> >>
> > > > >>>> >>
> > > > >>>>
> > > > >>>>
> > > > >>
> > > > >
> > > >
> > > >
> > >
> >
>
