Hi there, you probably want to read thisŠ
http://hbase.apache.org/book.html#schema
On 9/22/12 10:29 AM, "Ramasubramanian Narayanan"
wrote:
>Hi,
>
>Can anyone suggest what is the best value that can be used for a rowkey in
>a hbase table which will not produce duplicate any point of time. F
On Sat, Sep 22, 2012 at 7:30 AM, Jacques wrote:
> I know that HBASE-4213 and HBASE-1730 are both listed as in 94 and 92
> respectively. I also see that HBASE-4741 is marked for 96. I remember
> off-handed comments at some point saying that both mechanisms had
> challenges. How mature is Online
HTable and Delete are the only 2 I remember
Regards,
Dhaval
- Original Message -
From: Ramasubramanian Narayanan
To: user@hbase.apache.org; Dhaval Shah
Cc:
Sent: Saturday, 22 September 2012 10:47 AM
Subject: Re: Required a sample Java program to delete a row from Hbase
Dhaval,
Than
Hi,
I would like to programmatically major compact a table's regions, but I
would like to check if major compaction ended (i.e.: compaction queue
size goes to zero).
I tried to do it through the following code but it failed throwing a
null pointer exc.
HBaseAdmin admin = new HBaseAdmin(con
Dhaval,
Thanks!!
What are all the classes that we need to import? My requirement is to use
java script in Pentaho. So I could not write a full Java program there... I
may require to import required classes before using these functions.
regards,
Rams
On Sat, Sep 22, 2012 at 7:48 PM, Dhaval Shah
I would say it depends on your context. Like you say, your 'primary key'
should be distinct for two different records.
Even if you are using a hash in addition to the timestamp, you can not
garante that a record won't be overwritten.
If you have something in your context that could act as an identi
I know that HBASE-4213 and HBASE-1730 are both listed as in 94 and 92
respectively. I also see that HBASE-4741 is marked for 96. I remember
off-handed comments at some point saying that both mechanisms had
challenges. How mature is Online Schema Edit today? Have things
stabilized?
Thanks,
Jacq
Delete d = new Delete(rowKey);
HTable t = new HTable(tableName);
t.delete(d);
Regards,
Dhaval
From: Ramasubramanian Narayanan
To: user@hbase.apache.org
Sent: Saturday, 22 September 2012 10:15 AM
Subject: Required a sample Java program to delete a row from Hbas
Ok. I tried two things.
1) Loading the coproc HTD and loading the jar from hdfs
2) Loading the cop roc as system coproc (by setting in hbase-site.xml) and
loading the jar from "lib" dir of HBase.
The first approach was not working initially.
When it was not working, the region server log s
Hi
I went through the "BigDecimalColumnInterpretor" mail thread.
It looks like HBaseObjectWritable understands "Double" unlike BigDecimal in the
above case.
Digging further.
If anyone else has a clue.. let me know.
./Zahoor
On 22-Sep-2012, at 1:38 PM, J Mohamed Zahoor wrote:
>
> The reas
The reason was than i am getting a exception like
http://pastebin.com/PmFrmPNy
when i exec the coprocessor.
./Zahoor
On 22-Sep-2012, at 1:26 PM, J Mohamed Zahoor wrote:
> Hi
>
> I am trying out a implementation of DoubleColumnInterpretor on the lines of
> LongColumnInterpretor.
> Do i hav
Hi
I am trying out a implementation of DoubleColumnInterpretor on the lines of
LongColumnInterpretor.
Do i have to write the "readFields" and "write" methods?
./Zahoor
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