accumulo-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Sean Busbey <bus...@cloudera.com>
Subject Re: Values go to a wrong table during recovery.
Date Fri, 20 Feb 2015 21:50:36 GMT
On Fri, Feb 20, 2015 at 2:33 PM, Denis <denis@camfex.cz> wrote:

> > Did you have walogs laying around when you upgraded?
>
> In 1.4-cluster (and first time in 1.6-cluster) I had walogs enabled
> for data tables and disabled for index tables.
>
> There was a bug in 1.4, if a tablet had empty walog there were some
> startup issues (tablet remains offline or something like this), and it
> happened often with index tables (hmm, the same tables I have this
> problem).
>
> So, in 1.4-cluster I disabled walog and ran full reindex periodically.
> After running 1.6-cluster some time I enabled walogs for all tables as
> the new cluster have less reliable hardware, which reboots from time
> to time.
>
>
So just to confirm, you have seen this issue appear while walogs are
enabled for all tables, yes?

Any chance you can share your code that writes across several BatchWriters?

-- 
Sean

Mime
View raw message