Re: HBase Exception: org.apache.hadoop.hbase.UnknownRowLockException

2014-02-28 Thread Ted Yu
Using correct mailing list this time. I last worked on 0.90.x code base back in 2011 (or earlier) So I need to pull down 0.90 source code before giving you an answer. bq. the next planned environment upgrade is towards the 2nd half of this year Please convey to management that the upgrade should

Re: Hbase data loss scenario

2014-02-28 Thread lars hofhansl
Sounds like lost HFiles. I'd start digging through the HDFS logs. Which version of Hadoop/HDFS are you using. Any power outages, recently? From: kiran To: user@hbase.apache.org; lars hofhansl Sent: Friday, February 28, 2014 8:33 AM Subject: Re: Hbase data los

Re: Inconsistency in Hbase table[Region not deployed on any region server]

2014-02-28 Thread Ted Yu
Which HBase / hadoop releases are you using ? See http://stackoverflow.com/questions/19205057/how-to-fix-corrupt-hadoop-hdfs On Fri, Feb 28, 2014 at 7:14 AM, jeba earnest wrote: > In a hbase cluster, all the slave nodes got restarted. When I started > Hbase services, > one of the table(test) b

Inconsistency in Hbase table[Region not deployed on any region server]

2014-02-28 Thread jeba earnest
In a hbase cluster, all the slave nodes got restarted. When I started Hbase services, one of the table(test) become inconsistent. HDFS some blocks were missing(hbase blocks). so it was in safe mode. I gave "safemode -leave" Then hbase table (test)became inconsistent. Below actions I performed

Re: LSM tree, SSTable and fractal tree

2014-02-28 Thread Ted Yu
Please read http://hbase.apache.org/book.html#hfile On Fri, Feb 28, 2014 at 8:27 AM, Vimal Jain wrote: > Where can i get more information about these structures ? > > Thanks and Regards, > Vimal Jain > On Feb 28, 2014 8:07 PM, "yonghu" wrote: > > > Hbase uses LSM tree and SStable, not sure for

Re: Hbase data loss scenario

2014-02-28 Thread kiran
Hi Lars, This is very mysterious for us Some rows are completely deleted, some of them are partially deleted with one CF present and other CF partially present or not. The regions which are once around 7gb has turned to few KB's, so it is a major data loss for us... and We suspect they also

Re: LSM tree, SSTable and fractal tree

2014-02-28 Thread Vimal Jain
Where can i get more information about these structures ? Thanks and Regards, Vimal Jain On Feb 28, 2014 8:07 PM, "yonghu" wrote: > Hbase uses LSM tree and SStable, not sure for fractal tree > > > On Fri, Feb 28, 2014 at 2:57 PM, Shahab Yunus >wrote: > > > http://www.slideshare.net/jaxlondon201

Re: HBase Exception: org.apache.hadoop.hbase.UnknownRowLockException

2014-02-28 Thread Ted Yu
See this thread for previous discussion on RowLocks : http://search-hadoop.com/m/b60Oj2IFfL3/Rowlocks+are+used+by+RegionServers&subj=Re+RowLocks On Fri, Feb 28, 2014 at 1:09 AM, kaushik m wrote: > You should be passing the obtained rowLock object as parameter for the > Constructor of put obje

Re: LSM tree, SSTable and fractal tree

2014-02-28 Thread yonghu
Hbase uses LSM tree and SStable, not sure for fractal tree On Fri, Feb 28, 2014 at 2:57 PM, Shahab Yunus wrote: > http://www.slideshare.net/jaxlondon2012/hbase-advanced-lars-george > http://hortonworks.com/hadoop/hbase/ > > Regards, > Shahab > > > On Fri, Feb 28, 2014 at 8:36 AM, Vimal Jain wro

Re: LSM tree, SSTable and fractal tree

2014-02-28 Thread Shahab Yunus
http://www.slideshare.net/jaxlondon2012/hbase-advanced-lars-george http://hortonworks.com/hadoop/hbase/ Regards, Shahab On Fri, Feb 28, 2014 at 8:36 AM, Vimal Jain wrote: > Hi, > Which one of the storage structure does hbase uses ? Is it LSM tree , > SSTable or fractal tree ? > > -- > Thanks a

ROOT table removed from 0.96 ?

2014-02-28 Thread Vimal Jain
Hi, Is ROOT table removed from Hbase 0.96 ? -- Thanks and Regards, Vimal Jain

Re: ROOT table removed from 0.96 ?

2014-02-28 Thread Jean-Marc Spaggiari
Yes. Please refer to https://issues.apache.org/jira/browse/HBASE-3171 . JM 2014-02-28 8:34 GMT-05:00 Vimal Jain : > Hi, > Is ROOT table removed from Hbase 0.96 ? > > -- > Thanks and Regards, > Vimal Jain >

Re: ROOT table removed from 0.96 ?

2014-02-28 Thread Vimal Jain
Thanks Matteo and Jean. On Fri, Feb 28, 2014 at 7:06 PM, Jean-Marc Spaggiari < jean-m...@spaggiari.org> wrote: > Yes. Please refer to https://issues.apache.org/jira/browse/HBASE-3171 . > > JM > > > 2014-02-28 8:34 GMT-05:00 Vimal Jain : > > > Hi, > > Is ROOT table removed from Hbase 0.96 ? > > >

Re: ROOT table removed from 0.96 ?

2014-02-28 Thread Matteo Bertozzi
yes, you can lookup the details here: https://issues.apache.org/jira/browse/HBASE-3171 https://blogs.apache.org/hbase/entry/hbase_0_96_0_released Matteo On Fri, Feb 28, 2014 at 1:34 PM, Vimal Jain wrote: > Hi, > Is ROOT table removed from Hbase 0.96 ? > > -- > Thanks and Regards, > Vimal Jain

LSM tree, SSTable and fractal tree

2014-02-28 Thread Vimal Jain
Hi, Which one of the storage structure does hbase uses ? Is it LSM tree , SSTable or fractal tree ? -- Thanks and Regards, Vimal Jain

Re: HBase Exception: org.apache.hadoop.hbase.UnknownRowLockException

2014-02-28 Thread kaushik m
You should be passing the obtained rowLock object as parameter for the Constructor of put object. On Friday, February 28, 2014, Shailesh Samudrala wrote: > > > > I'm running a sample code I wrote to test HBase lockRow() and > unlockRow() methods. > > The sample code is below: > > > > HTable tab