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From Filipe David Manana <fdman...@apache.org>
Subject Re: How to tell if replication is caught up?
Date Wed, 23 Mar 2011 09:43:27 GMT
Thanks again Wayne,

The error is perfectly clear about what the issue is.
I'll commit a fix later today.

Do you have any different type of error in the logs?

cheers

On Tue, Mar 22, 2011 at 9:10 PM, Wayne Conrad <wayne@databill.com> wrote:
> On 03/22/11 13:02, Filipe David Manana wrote:
>>
>> On Tue, Mar 22, 2011 at 7:27 PM, Wayne Conrad<wayne@databill.com>  wrote:
>>>
>>> My largest, ~600GB database was awful to compact.  Because much of it
>>> seldom
>>> changes, I shared that database by account, yielding about 500 databases
>>> of
>>> various sizes.  With a compaction daemon that only compacts a database
>>> when
>>> it grows, compaction is no longer a problem.  However, I appear to be
>>> suffering now when it comes to replication.
>
>>> (snip)
>
> Thanks for the info on querying replication status.
>
>> Also, can you share the logs? I would like to see the errors and stack
>> traces you get - without them it's hard to tell what is going wrong.
>
> I've got a log that consists mostly of stack traces that occured over about
> 8 minutes.  It's 1.7M lines long, so I'll attach a snippet and hope it's
> enough.  Please let me know if more would be helpful.
>
>> However, 500 replications in parallel seems a bit too much.
>
> Perhaps I shouldn't do continuous replication.  Would it be better if I had
> my replication daemon round-robin through the databases, replicating one (or
> perhaps a few) at a time?  If I change my writers to that they write to each
> server, then replication won't usually have that much to do.
>
> Best Regards,
> Wayne Conrad
>



-- 
Filipe David Manana,
fdmanana@gmail.com, fdmanana@apache.org

"Reasonable men adapt themselves to the world.
 Unreasonable men adapt the world to themselves.
 That's why all progress depends on unreasonable men."

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