Re: silent data loss during append

2011-04-15 Thread Tsz Wo (Nicholas), Sze
. Regards, Nicholas From: Thanh Do To: Ted Dunning Cc: hdfs-u...@hadoop.apache.org; hdfs-dev@hadoop.apache.org Sent: Fri, April 15, 2011 8:02:05 AM Subject: Re: silent data loss during append I am using cloudera's distribution version: hadoop-0.20.2+73

Re: silent data loss during append

2011-04-15 Thread Thanh Do
I am using cloudera's distribution version: hadoop-0.20.2+738. On Thu, Apr 14, 2011 at 6:23 PM, Ted Dunning wrote: > What version are you using? > > > On Thu, Apr 14, 2011 at 3:55 PM, Thanh Do wrote: > >> Hi all, >> >> I have recently seen silent data loss in our system. >> Here is the case: >>

Re: silent data loss during append

2011-04-15 Thread Ted Dunning
What version are you using? On Thu, Apr 14, 2011 at 3:55 PM, Thanh Do wrote: > Hi all, > > I have recently seen silent data loss in our system. > Here is the case: > > 1. client appends to some block > 2. for some reason, commitBlockSynchronization > returns successfully with synclist = [] (