WALPlayer will look at the timestamp. Replaying an older edit that has
since been overwritten shouldn't change anything.

On Sat, Jun 30, 2012 at 9:49 AM, Bryan Beaudreault <bbeaudrea...@hubspot.com
> wrote:

> They are all pretty large, around 40+mb.  Will the walplayer be smart
> enough to only write edits that still look relevant (i.e. based on
> timestamps of the edits vs timestamps of the versions in hbase)?  Writes
> have been coming in since we recovered.
>
> On Sat, Jun 30, 2012 at 11:05 AM, Stack <st...@duboce.net> wrote:
>
> > On Sat, Jun 30, 2012 at 8:38 AM, Bryan Beaudreault
> > <bbeaudrea...@hubspot.com> wrote:
> > > 12/06/30 00:00:48 INFO wal.HLogSplitter: Got while parsing hlog
> > >
> >
> hdfs://my-namenode-ip-addr:8020/hbase/.logs/my-rs-ip-addr,60020,1338667719591/my-rs-ip-addr%3A60020.1340935453874.
> > > Marking as corrupted
> > >
> >
> > What size do these logs have?
> >
> > > We are back to stable operating now, and in trying to research this I
> > found
> > > the hdfs://my-namenode-ip-addr:8020/hbase/.corrupt directory.  There
> are
> > 20
> > > files listed there.
> > >
> >
> > Ditto.
> >
> > > What are our options for tracking down and potentially recovering any
> > data
> > > that was lost.  Or how can we even tell what was lost, if any?  Does
> the
> > > existence of these files pretty much guarantee data lost? There doesn't
> > > seem to be much documentation on this.  From reading it seems like it
> > might
> > > be possible that part of each of these files was recovered.
> > >
> >
> > If size > 0, could try walplaying them:
> > http://hbase.apache.org/book.html#walplayer
> >
> > St.Ack
> >
>

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