Detailed description of Zookeeper's role in Hbase system

2014-03-10 Thread Vimal Jain
Hi, Can someone please direct me to good resources in understanding Zookeeper's role in Hbase system ? One in official guide does not explain it in detail. -- Thanks and Regards, Vimal Jain

Re: Need suggestion, jpa kind of package for hbase

2014-03-10 Thread jeevi tesh
Thanks a lot it helped me a lot... On Friday, 7 March 2014 21:34:08 UTC+5:30, Vivek wrote: > > @ jeevitesh > > > > *Then i looked at kundera then i realized we need to have Cassandra* > > I am not sure, what you mean by this. Kundera is an object mapper API > multiple independent data stores.

RE: {kundera-discuss} Re: Need suggestion, jpa kind of package for hbase

2014-03-10 Thread Vivek Mishra
https://github.com/impetus-opensource/Kundera/blob/trunk/src/README.md Under section "Note" it is to inform that groupId has been changed since 2.9.1 release. It doesn't mean that Kundera over HBase would require Cassandra as well! HTH, -Vivek From: kund

Re: Need suggestion, jpa kind of package for hbase

2014-03-10 Thread jeevi tesh
Thanks vivek, Pradeep for your efforts. https://github.com/impetus-opensource/Kundera/blob/trunk/src/README.md As per the above link if I need to install kundera i need to have cassandra installation ready. Cassandra I'm not all using. My question is simple is cassandra is mandatory to use kundera

Occasional GSSException that brings down region server

2014-03-10 Thread Wei Tan
Hi, We are running a HBase cluster in these settings and with kerberos enabled. HBase: 0.96.1.1 Zookeeper: 3.4.5 Hadoop: 1.1.1 We constantly put data into HBase and every several hours we get the error below on a random region server; this error arises and the region server kills itself.

Re: Occasional GSSException that brings down region server

2014-03-10 Thread Ted Yu
Have you looked at http://hbase.apache.org/book.html#trouble.client.security.rpc ? On Mon, Mar 10, 2014 at 2:26 PM, Wei Tan wrote: > Hi, > > We are running a HBase cluster in these settings and with kerberos > enabled. > HBase: 0.96.1.1 > Zookeeper: 3.4.5 > Hadoop: 1.1.1 > > > We constantly p

Re: FuzzyRowFilter missing keys

2014-03-10 Thread Ted Yu
Amit: Can you put your scenario in a unit test so that it is easier to pinpoint where the issue is ? Thanks On Mon, Mar 10, 2014 at 5:25 AM, Amit Sela wrote: > My table contains keys of this kind over an entire month but the scan > returns only for a some fo the days. > I have 2010101-20140131

Re: FuzzyRowFilter missing keys

2014-03-10 Thread Amit Sela
My table contains keys of this kind over an entire month but the scan returns only for a some fo the days. I have 2010101-20140131 but the scan returns only for: 20140104, 20140110, 20140111, 20140118, 20140120, 20140125, 20140128 Using get or scan with no fuzzy filter works... On Mon, Mar 10, 2

Re: FuzzyRowFilter missing keys

2014-03-10 Thread Bharath Vissapragada
Is it because you fixed "_US_product1___" part of the key? From your definition of filter you should get as output all keys of form "MMdd_US_product1___". can you share a key thats of this format and missing in the output? On Mon, Mar 10, 2014 at 3:38 PM, Amit Sela wrote: > Hi all, > I'm u

FuzzyRowFilter missing keys

2014-03-10 Thread Amit Sela
Hi all, I'm using HBase 0.94.12 + Hadoop 1.0.4. Trying to use FuzzyRowFilter looks like it's missing keys in the scan. Row key structure: MMdd_Country_Product_Category1_Category2_ Where the date is mandatory and all other fields may be "". Examples: 20140101_US_product1___ 20140102__product1_b