Re: FW: Handling read failures during recovery

2011-08-09 Thread Ted Yu
> > -Original Message- > > From: Laxman [mailto:lakshman...@huawei.com] > > Sent: Tuesday, August 02, 2011 10:47 AM > > To: hdfs-dev@hadoop.apache.org; d...@hbase.apache.org > > Subject: FW: Handling read failures during recovery > > > > Partial mail was

Re: FW: Handling read failures during recovery

2011-08-09 Thread Uma Maheswara Rao G 72686
ult in failure. So if the logs are not split > properlythere could be a data loss. > > > > Regards > Ram > > > > -Original Message- > From: Laxman [mailto:lakshman...@huawei.com] > Sent: Tuesday, August 02, 2011 10:47 AM > To: hdfs-dev@hadoop.apa

FW: Handling read failures during recovery

2011-08-01 Thread Laxman
Partial mail was sent accidentally. Sorry for that. Resending with complete details, analysis and logs. 20-append version we are using. To summarize there are two problems [One each from HDFS and HBase] we noticed in this flow. 1) From HDFS Even though client is getting the updated block info f

FW: Handling read failures during recovery

2011-08-01 Thread Laxman
Reposting to include HDFS dev list. _ From: Laxman [mailto:lakshman...@huawei.com] Sent: Monday, August 01, 2011 5:03 PM To: 'd...@hbase.apache.org' Subject: Handling read failures during recovery Hi Everyone, In HBase we try to recover the HLog file and then immediately proce