RE: will HBase detect NN failure?

2011-03-07 Thread Gokulakannan M
base.apache.org > Subject: Re: will HBase detect NN failure? > > > > There are a series of patches that address this, check the recent commit > history of append branch. > > On Mar 7, 2011 1:52 AM, "Gokulakannan M" wrote: > > Hi All, > >

RE: will HBase detect NN failure?

2011-03-07 Thread Gokulakannan M
: Monday, March 07, 2011 3:26 PM To: gok...@huawei.com; user@hbase.apache.org Subject: Re: will HBase detect NN failure? There are a series of patches that address this, check the recent commit history of append branch. On Mar 7, 2011 1:52 AM, "Gokulakannan M" wrote: > Hi All, >

RE: will HBase detect NN failure?

2011-03-07 Thread Gokulakannan M
:26 PM To: gok...@huawei.com; user@hbase.apache.org Subject: Re: will HBase detect NN failure? There are a series of patches that address this, check the recent commit history of append branch. On Mar 7, 2011 1:52 AM, "Gokulakannan M" wrote: > Hi All, > > > > In HB

will HBase detect NN failure?

2011-03-07 Thread Gokulakannan M
Hi All, In HBase 0.90 I have seen that it has a fault tolerant behavior of triggering lease recovery and closing the file when the writer dies in the middle. Yet does hbase have any workaround/recovery when Namenode is restarted in the middle of the file write(possibly the HLog file

RE: Query reg hbase and hadoop append

2011-01-05 Thread Gokulakannan M
it'd be a bit of an undertaking adding in all the patches from this branch. You don't want to just run the branch? Or there is also Cloudera' CDH? St.Ack On Mon, Jan 3, 2011 at 9:55 PM, Gokulakannan M wrote: > Hello, > > > >      I want to merge the append feat

RE: Query reg hbase and hadoop append

2011-01-03 Thread Gokulakannan M
and Regards, Gokul -Original Message- From: Gokulakannan M [mailto:gok...@huawei.com] Sent: Wednesday, December 29, 2010 10:53 AM To: user@hbase.apache.org Cc: saint@gmail.com Subject: RE: Query reg hbase and hadoop append Thank you St.Ack. This helps a lot

RE: Query reg hbase and hadoop append

2010-12-28 Thread Gokulakannan M
had an append. Its provenance is the hadoop 0.20-append branch. Not hadoop 0.21. Hope this helps, St.Ack On Tue, Dec 28, 2010 at 12:43 AM, Gokulakannan M wrote: > hadoop 0.21.0 has been released with the stable hdfs append feature.. > > > > Should we do anythi

Query reg hbase and hadoop append

2010-12-28 Thread Gokulakannan M
hadoop 0.21.0 has been released with the stable hdfs append feature.. Should we do anything in hbase(modify / apply some patch) to use this hdfs append feature or hbase takes care of this in-built?? from web i've seen that this append feature(hdfs-265) is different from what hbase expects(

RE: is hbase 0.20.6 compatible with new hadoop 0.21.0 ?

2010-12-27 Thread Gokulakannan M
Another query .. hadoop 0.21.0 has been released with the stable hdfs append feature.. Should we do anything in hbase(modify / apply some patch) to use this hdfs append feature or hbase takes care of this in-built?? from web i've seen that this append feature(hdfs-265) is different from what