Re: EC2 Elastic MapReduce HBase install recommendations

2013-05-11 Thread Pal Konyves
, Pal Konyves paul.kony...@gmail.com wrote: Principally I chose to use Amazon, because they are supposedly high performance, and what more important is: HBase is already set up if I chose it as an EMR Workflow. I wanted to save up the time setting up the cluster manually on EC2 instances

Re: EC2 Elastic MapReduce HBase install recommendations

2013-05-09 Thread Pal Konyves
testing, and I see that it´s not included in the Amazon Marketplace yet: https://aws.amazon.com/marketplace/seller-profile?id=802b0a25-877e-4b57-9007-a3fd284815a5 2013/5/7 Pal Konyves paul.kony...@gmail.com Hi, Has anyone got some recommendations about running HBase on EC2? I am

EC2 Elastic MapReduce HBase install recommendations

2013-05-07 Thread Pal Konyves
Hi, Has anyone got some recommendations about running HBase on EC2? I am testing it, and so far I am very disappointed with it. I did not change anything about the default 'Amazon distribution' installation. It has one MasterNode and two slave nodes, and write performance is around 2500 small

Re: default region splitting on which value?

2013-04-21 Thread Pal Konyves
, 2013 at 2:24 PM, Pal Konyves paul.kony...@gmail.com wrote: I am making a paper for school about HBase, so the data I chose is not a real usable example. I am familiar with GTFS that is a de facto standard for storing information about public transportation schedules: when vehicle arrives

default region splitting on which value?

2013-04-20 Thread Pal Konyves
Hi, I am just reading about region splitting. By default - as I understand - Hbase handles splitting the regions. I just don't know how to imagine on which key it splits the regions. 1) For example when I write MD5 hash of rowkeys, they are most probably evenly distributed from 00... to

Re: default region splitting on which value?

2013-04-20 Thread Pal Konyves
keys corresponding to peaks makes sense. On Apr 20, 2013, at 10:52 AM, Pal Konyves paul.kony...@gmail.com wrote: Hi, I am just reading about region splitting. By default - as I understand - Hbase handles splitting the regions. I just don't know how to imagine on which key it splits

Re: default region splitting on which value?

2013-04-20 Thread Pal Konyves
normally means preparing HFiles which would be loaded directly into your table. Cheers On Apr 20, 2013, at 1:11 PM, Pal Konyves paul.kony...@gmail.com wrote: Hi Ted, Only one family, my data is very simple key-value, although I want to make sequential scan, so making a hash of the key

Re: Linux kernel recommendations for HBase 0.94.2

2013-04-02 Thread Pal Konyves
I think the newer kernels in the last several years contain mostly new features/drivers rather than optimizations. Plus JVM puts another abstraction between the application and the kernel which makes which makes any kernel specific consideations in terms of HBase much less sensible. I don't think

Re: HBase client hangs after connecting to Zookeeper in pseudo-mode

2013-03-24 Thread Pal Konyves
-to-configure-habse-in-pseudo.html#.UUs3HTWH6IQand see if it helps. If you follow all the steps properly, hopefully you'll be able to do it. Pal Konyves paul.kony...@gmail.com wrote: Hi, progress! not... I'm still struggling with it. I changed all my hosts files have the external ip

Re: HBase client hangs after connecting to Zookeeper in pseudo-mode

2013-03-21 Thread Pal Konyves
https://mtariq.jux.com/ cloudfront.blogspot.com On Wed, Mar 20, 2013 at 6:35 AM, Pal Konyves paul.kony...@gmail.com wrote: okay, it reads for the VM: 192.168.1.102 debian-vm 192.168.1.102 debian 127.0.0.1 localhost # and some ipv6 setup For the host machine: 192.168.1.102

Re: HBase client hangs after connecting to Zookeeper in pseudo-mode

2013-03-19 Thread Pal Konyves
/6zMGfFer master.log: pastebin.com/kEryhz7j Thanks for the quick reply, Pal On Wed, Mar 20, 2013 at 1:17 AM, lars hofhansl la...@apache.org wrote: Can you also send us the server logs during that timeframe? Thanks. -- Lars From: Pal Konyves paul.kony

Re: HBase client hangs after connecting to Zookeeper in pseudo-mode

2013-03-19 Thread Pal Konyves
in pseudo distributed mode, but the logs show that the connection request is going to some other IP. Warm Regards, Tariq https://mtariq.jux.com/ cloudfront.blogspot.com On Wed, Mar 20, 2013 at 5:32 AM, Pal Konyves paul.kony...@gmail.com wrote: Hi, I'm new to the list, just registered

Re: HBase client hangs after connecting to Zookeeper in pseudo-mode

2013-03-19 Thread Pal Konyves
https://mtariq.jux.com/ cloudfront.blogspot.com On Wed, Mar 20, 2013 at 6:13 AM, Pal Konyves paul.kony...@gmail.com wrote: Mohammad, I made the connection from host os to the virtual os where HBase is running. the virtual OS is set up with bridged network, so it gets it's own local IP address