hadoop-hdfs-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Giulio D'Ippolito" <giulio.dippol...@gmail.com>
Subject Re: Configuration issue
Date Mon, 11 Jun 2012 14:11:26 GMT
Hi,
exactly as you said putting this line in the hdfs configuration reduce the
time, I put 17000(17sec) but the time was more like 62 sec. Is there a
reference for the name of all the parameters?

Thanks

2012/6/11 Harsh J <harsh@cloudera.com>

> Hi,
>
> For 2.0.0 at least, for controlling DN heartbeat interval timeouts
> (missing which gets it marked dead at NN), tweak the prop:
> "dfs.namenode.heartbeat.recheck-interval" (default 5 minutes in ms).
> The actual timeout to measure is determined from this value, but isn't
> exactly this. But lowering it will get you what you need.
>
> On Mon, Jun 11, 2012 at 7:02 PM, Giulio D'Ippolito
> <giulio.dippolito@gmail.com> wrote:
> > Thanks for the answer,
> > The demon of mapreduce is not running (i guess that the mapreduce config
> is
> > not readed as well), it is just the dfs running, more specifically 1
> > namenode and 3 datanodes. I would like that after a prefixed time of
> > disconnection the node is considered lost. Putting the line you cite in
> the
> > hdfs-core.xml does not change as well.
> >
> > Giulio
> >
> >
> > 2012/6/11 madhu phatak <phatak.dev@gmail.com>
> >>
> >> Hi,
> >>  mapred.task.timeout is set to 10 mins which determines how much time
> have
> >> to waited before a task is considered as timed out.
> >>
> >>
> >> On Mon, Jun 11, 2012 at 6:28 PM, Giulio D'Ippolito
> >> <giulio.dippolito@gmail.com> wrote:
> >>>
> >>> Hello, I'm running hadoop-0.22.0 with the RAID extension, I'm having
> >>> trouble to find the parameter that control the time before a node is
> >>> considered as disconnected. The default value is set to 10 minutes, I
> would
> >>> like to decrease a bit. I didn't find a way googling.
> >>>
> >>> Thanks
> >>>
> >>> Giulio
> >>
> >>
> >>
> >>
> >> --
> >> https://github.com/zinnia-phatak-dev/Nectar
> >>
> >
>
>
>
> --
> Harsh J
>

Mime
View raw message