Re: I can't get many versions of the specified column,but only get the latest version of the specified column

2011-03-06 Thread 陈加俊
Thank you very much ! I really do appreciate what you've done . On Mon, Mar 7, 2011 at 11:41 AM, Tatsuya Kawano wrote: > > Hi, I tried your test code yesterday, and now I know the reason of the > problem. Your Puts were OK, but the Delete at the end caused the problem. > > You have two Puts with

Re: Example Program

2011-03-06 Thread James Ram
hi, Yes Exactly. That is what we want to know. On Fri, Mar 4, 2011 at 7:47 PM, Hari Sreekumar wrote: > HBase is a key-value datastore. What do you mean by using HBase to read a > csv file? Do you mean read data from a csv file and upload to HBase? > > On Fri, Mar 4, 2011 at 12:00 PM, James Ram w

Re: I can't get many versions of the specified column,but only get the latest version of the specified column

2011-03-06 Thread Tatsuya Kawano
Hi, I tried your test code yesterday, and now I know the reason of the problem. Your Puts were OK, but the Delete at the end caused the problem. You have two Puts with hard-coded *past* timestamps and another with a *future* timestamp. You also have one Delete without specifying a timestamp so

Re: Hbck errors

2011-03-06 Thread Marc Limotte
We have resolved the issue. Details follow as "lessons learned". Yes, Stack, the info:splitA/B columns followed, as part of the offline'd parents .META. row. But the regions that splitA/B point to *did not exist*in .META. Also, after the original email, we checked in HDFS and found the parent r

Re: High variance in results for hbase benchmarking

2011-03-06 Thread Aditya Sharma
Mark, Gary, Ted, Thanks for your responses. I will keep the EC2 issues and other things in mind when I get a chance to redo the benchmarking. BTW is there any recommendation for an on demand computing provider for benchmarking purpose? @Gary, To answer your questions , I am using the default con

Re: Hbck errors

2011-03-06 Thread Stack
So, yeah Marc, what are the rows that follow the ones you post below? Are they the info:splitA and info:splitB or something else? Thanks, St.Ack On Sat, Mar 5, 2011 at 4:22 PM, Marc Limotte wrote: > We had an issue a day ago with some OOME's on the region servers.  The > master shutdown ok, but m