Ramasubramanian Narayanan... 2012-11-26, 07:04
Michael Segel 2012-11-26, 12:27
Li, Min 2012-11-26, 07:40
Ramasubramanian Narayanan... 2012-11-26, 10:23
Mohammad Tariq 2012-11-26, 10:28
Hi there, somebody already wisely mentioned the link to the # of CF's
entry, but here are a few other entries that can save you some heartburn
if you read them ahead of time.
On 11/26/12 5:28 AM, "Mohammad Tariq" <[EMAIL PROTECTED]> wrote:
> You might become a victim of RS hotspotting, since the cutomerIDs will
>be sequential(I assume). To keep things simple Hbase puts all the rows
>similar keys to the same RS. But, it becomes a bottleneck in the long run
>as all the data keeps on going to the same region.
> Mohammad Tariq
>On Mon, Nov 26, 2012 at 3:53 PM, Ramasubramanian Narayanan <
>[EMAIL PROTECTED]> wrote:
>> Thanks! Can we have the customer number as the RowKey for the customer
>> (client) master table? Please help in educating me on the advantage and
>> disadvantage of having customer number as the Row key...
>> Also SCD2 we may need to implement in that table.. will it work if I
>> like that?
>> SCD2 is not needed instead we can achieve the same by increasing the
>> version number that it will hold?
>> pls suggest...
>> On Mon, Nov 26, 2012 at 1:10 PM, Li, Min <[EMAIL PROTECTED]> wrote:
>> > When 1 cf need to do split, other 599 cfs will split at the same
>> > many fragments will be produced when you use so many column families.
>> > Actually, many cfs can be merge to only one cf with specific tags in
>> > rowkey. For example, rowkey of customer address can be uid+'AD', and
>> > customer profile can be uid+'PR'.
>> > Min
>> > -----Original Message-----
>> > From: Ramasubramanian Narayanan [mailto:
>> > [EMAIL PROTECTED]]
>> > Sent: Monday, November 26, 2012 3:05 PM
>> > To: [EMAIL PROTECTED]
>> > Subject: Expert suggestion needed to create table in Hbase - Banking
>> > Hi,
>> > I have a requirement of physicalising the logical model... I have a
>> > client model which has 600+ entities...
>> > Need suggestion how to go about physicalising it...
>> > I have few other doubts :
>> > 1) Whether is it good to create a single table for all the 600+
>> > 2) To have different column families for different groups or can it
>> > under a single column family? For example, customer address can we
>> > a different column family?
>> > Please help on this..
>> > regards,
>> > Rams
Michael Segel 2012-11-26, 12:30
syed kather 2012-11-26, 11:55
anil gupta 2012-11-26, 07:35
anil gupta 2012-11-26, 07:40