Ok Doug, Thanks for pointing. 2 row selection is just the example I use but yes I will keep this in mind.
-----Original Message----- From: Doug Meil [mailto:[email protected]] Sent: Friday, January 20, 2012 7:01 PM To: [email protected] Subject: Re: Java api to apply limit in scan Also, if you know you only want 2 rows, for example, make sure the caching is set to 2 so that it only reads that many on the RegionServer. On 1/20/12 12:31 AM, "Harsh J" <[email protected]> wrote: >Hi Stuti, > >The way the Shell does it is by iterating over the ResultScanner >iterator for only LIMIT number of times alone and then exiting out. >There is no API that specifies a LIMIT clause of sorts, its to be self-built >by you. > >On 20-Jan-2012, at 10:53 AM, Stuti Awasthi wrote: > >> Hi , >> I am looking into how to limit the output of scans. I got this in >>shell but not able to get any java api for that. I am sure I am missing it. >> >> scan 't1',{LIMIT=>2} >> Please suggest me the scan api for limit the output of scan. >> >> Thanks >> >> Regards, >> Stuti Awasthi >> HCL Comnet Systems and Services Ltd >> F-8/9 Basement, Sec-3,Noida. >> >> >> ________________________________ >> ::DISCLAIMER:: >> >>---------------------------------------------------------------------- >>--- >>---------------------------------------------- >> >> The contents of this e-mail and any attachment(s) are confidential >>and intended for the named recipient(s) only. >> It shall not attach any liability on the originator or HCL or its >>affiliates. Any views or opinions presented in this email are solely >>those of the author and may not necessarily reflect the opinions of >>HCL or its affiliates. >> Any form of reproduction, dissemination, copying, disclosure, >>modification, distribution and / or publication of this message >>without the prior written consent of the author of this e-mail is >>strictly prohibited. If you have received this email in error please >>delete it and notify the sender immediately. Before opening any mail >>and attachments please check them for viruses and defect. >> >> >>---------------------------------------------------------------------- >>--- >>---------------------------------------------- > >-- >Harsh J >Customer Ops. Engineer, Cloudera >
