hbase-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Farrokh Shahriari <mohandes.zebeleh...@gmail.com>
Subject Re: Co-Processor in scanning the HBase's Table
Date Mon, 18 Feb 2013 04:57:58 GMT
Thanks you Amit,I will check that.
@Anoop: I wanna run that just after scanning a region or after scanning the
regions that to belong to one regionserver.

On Mon, Feb 18, 2013 at 7:45 AM, Anoop Sam John <anoopsj@huawei.com> wrote:

> >I wanna use a custom code after scanning a large table and prefer to run
> the code after scanning each region
>
> Exactly at what point you want to run your custom code?  We have hooks at
> points like opening a scanner at a region, closing scanner at a region,
> calling next (pre/post) etc
>
> -Anoop-
> ________________________________________
> From: Farrokh Shahriari [mohandes.zebeleh.67@gmail.com]
> Sent: Monday, February 18, 2013 12:21 AM
> To: cdh-user@cloudera.org; user@hbase.apache.org
> Subject: Co-Processor in scanning the HBase's Table
>
> Hi there
> I wanna use a custom code after scanning a large table and prefer to run
> the code after scanning each region.I know that I should use
> co-processor,but don't know which of Observer,Endpoint or both of them I
> should use ? Is there any simple example of them ?
>
> Tnx
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message