Re: synchronizing slave indexes in distributing collections

[sunnyfr <jo...@gmail.com>]

Hi,

I would like to know where are you about your script which take the slave
out of the load balancer ?? 
I've no choice to do that during update on the slave server.

Thanks,


Yu-Hui Jin wrote:
> 
> Thanks, guys.
> 
> Glad to know the scripts work very well in your experience. (well, indeed
> they are quite simple.) So that's how I imagine we should do it except
> that
> you guys added a very good point -- that the monitoring system can invoke
> a
> script to take the slave out of the load balancer.  I'd like to implement
> this idea.
> 
> 
> Cheers,
> 
> -Hui
> 
> On 8/17/07, Bill Au <bi...@gmail.com> wrote:
>>
>> If snapinstaller fails to install the lastest snapshot, then chances are
>> that it would be able to install any earlier snapshots as well.  All it
>> does
>> is some very simple filesystem operations and then invoke the Solr server
>> to
>> do a commit.  I agree with Chris that the best thing to do is to take it
>> out
>> of rotation and fix the underlying problem.
>>
>> Bill
>>
>> On 8/17/07, Chris Hostetter <ho...@fucit.org> wrote:
>> >
>> >
>> > : So looks like all we can do is it monitoring the logs and alarm
>> people
>> > to
>> > : fix the issue and rerun the scripts, etc. whenever failures occur. Is
>> > that
>> > : the correct understanding?
>> >
>> > I have *never* seen snappuller or snapinstaller fail (except during an
>> > initial rollout of Solr when i forgot to setup the neccessary ssh
>> keys).
>> >
>> > I suppose we could at an option to snapinstaller to support explicitly
>> > installing a snapshot by name ... then if you detect that salve Z
>> didn't
>> > load the latest snapshot, you could always tell the other slaves to
>> > snapinstall whatever older version slave Z is still using -- but
>> frankly
>> > that seems a little silly -- not to mention that if you couldn't load
>> the
>> > snapshot into Z, odds are Z isn't responding to queries either.
>> >
>> > a better course of action might just be to have an automated system
>> which
>> > monitors the distribution status info on the master, and takes any
>> slaves
>> > that don't update it properly out of your load balances rotation (and
>> > notifies people to look into it)
>> >
>> >
>> >
>> > -Hoss
>> >
>> >
>>
> 
> 
> 
> -- 
> Regards,
> 
> -Hui
> 
> 

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