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From "Alexander Ramos Jardim" <alexander.ramos.jar...@gmail.com>
Subject Re: Multiple Update servers
Date Wed, 30 Jul 2008 19:20:40 GMT
I use the snapshooter with rsync

2008/7/29 Rakesh Godhani <rgodhani@sermo.com>

> After Matthew's comment I was thinking about putting them both behind a
> load
> balancer, with the LB directing all traffic to one until it fails and then
> kick over to the other one.
>
> In your architectures I'm guessing the masters share the same physical
> index, but do the slaves share the same index as the masters or do you use
> rsync or some other mechanism to distribute copies.
>
> Thanks
> -Rakesh
>
>
>
>
> On 7/29/08 5:07 PM, "Alexander Ramos Jardim"
> <alexander.ramos.jardim@gmail.com> wrote:
>
> > You could implement a script that woiuld control which master server is
> > indexing and put them behind something like a NAT.
> >
> > I use that that control my master redundancy.
> >
> > 2008/7/29 Rakesh Godhani <rgodhani@sermo.com>
> >
> >> Thanks for the input, much appreciated.
> >> -Rakesh
> >>
> >>
> >>
> >> On 7/29/08 12:18 PM, "Matthew Runo" <mruno@zappos.com> wrote:
> >>
> >>> As far as I know only one machine can write to an index at a time.
> >>> More than that and I got corrupted indexes.
> >>>
> >>> Thanks!
> >>>
> >>> Matthew Runo
> >>> Software Developer
> >>> Zappos.com
> >>> 702.943.7833
> >>>
> >>> On Jul 28, 2008, at 11:25 AM, Rakesh Godhani wrote:
> >>>
> >>>>
> >>>> Hi, we are currently evaluating Solr and have been browsing the
> >>>> archives for
> >>>> one particular issue but can¹t seem to find the answer, so please
> >>>> forgive me
> >>>> if I¹m asking a repetitive question.  We like the idea of having
> >>>> multiple
> >>>> slave servers serving up queries and a master performing updates.
> >>>> However
> >>>> the the issue for us there is no redundancy for the master.  So a
> >>>> couple of
> >>>> questions:
> >>>>
> >>>> 1. Can there be multiple masters (or update servers) sharing the
> >>>> same index
> >>>> files, performing updates at the same time (ie. Hosting the index on
> >>>> a SAN)?
> >>>>
> >>>> 2. Is there a recommended architecture utilizing a SAN.   (For
> >>>> example 2
> >>>> slaves and 2 masters sharing a SAN).  We current don¹t have that many
> >>>> records ­ prob about a million and growing.  We are mainly concerned
> >>>> about
> >>>> redundancy, then performance.
> >>>>
> >>>> Thanks
> >>>> -Rakesh
> >>>>
> >>>>
> >>>>
> >>>
> >>>
> >>
> >>
> >>
> >
>
>
>


-- 
Alexander Ramos Jardim

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