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From Stack <st...@duboce.net>
Subject Re: Recovering corrupt HLog files
Date Sat, 30 Jun 2012 15:05:09 GMT
On Sat, Jun 30, 2012 at 8:38 AM, Bryan Beaudreault
<bbeaudreault@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.


> 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:


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