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HBase >> mail # user >> 'hbase.client.scanner.caching' default value for HBase 0.90.6?


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Re: 'hbase.client.scanner.caching' default value for HBase 0.90.6?
Excellent. :)

________________________________
 From: A Laxmi <[EMAIL PROTECTED]>
To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>; lars hofhansl <[EMAIL PROTECTED]>
Sent: Wednesday, October 23, 2013 12:43 PM
Subject: Re: 'hbase.client.scanner.caching' default value for HBase 0.90.6?
 

Hi Lars - Sorry for the late reply. I have set 1/2 of available RAM for
HBase heap size and it worked! Thanks so much!!!!

On Mon, Oct 21, 2013 at 8:16 AM, A Laxmi <[EMAIL PROTECTED]> wrote:

> Thanks Lars! I will give it a try and will let you know.
>
>
> On Sunday, October 20, 2013, lars hofhansl <[EMAIL PROTECTED]> wrote:
> > 1/2 - 2/3 of your available RAM should be a good place to start.
> >
> >
> >
> > ________________________________
> >  From: A Laxmi <[EMAIL PROTECTED]>
> > To: [EMAIL PROTECTED]
> > Sent: Sunday, October 20, 2013 8:01 PM
> > Subject: Re: 'hbase.client.scanner.caching' default value for HBase
> 0.90.6?
> >
> >
> > Thanks Vladimar! I am using 6GB RAM so I have set 1GB for HBase. Please
> > suggest an appropriate heap size for HBase for a 6GB RAM.
> >
> > The reason I am using older version of HBase is because the web crawler I
> > am using Apache Nutch supports only 0.90.x version of HBase as a backend
> to
> > store crawled data.
> >
> >
> >
> > On Sun, Oct 20, 2013 at 10:37 PM, Vladimir Rodionov <
> [EMAIL PROTECTED]
> >> wrote:
> >
> >> HBase bible (book) have answers on *almost* all questions (1GB default
> >> heap is too low for many applications - that is why you see OOME).
> >> HBase book:
> >> http://hbase.apache.org/book.html
> >>
> >> +1 on version upgrade.
> >>
> >> Is there any particular reason for so old version of HBase? The current
> is
> >> 0.94.12.
> >>
> >> Best regards,
> >> Vladimir Rodionov
> >> Principal Platform Engineer
> >> Carrier IQ, www.carrieriq.com
> >> e-mail: [EMAIL PROTECTED]
> >>
> >> ________________________________________
> >> From: A Laxmi [[EMAIL PROTECTED]]
> >> Sent: Sunday, October 20, 2013 6:01 PM
> >> To: [EMAIL PROTECTED]
> >> Subject: Re: 'hbase.client.scanner.caching' default value for HBase
> 0.90.6?
> >>
> >> Thanks Jean! But the problem is I am using a crawler "Apache Nutch" that
> >> supports a HBase version 0.90.6 so I have no option than to restrict to
> >> 0.90.6 version. :(
> >>
> >> I am also getting an out of memory error: heap space while using HBase.
> I
> >> am using default 1GB heap setting in hbase-en.sh. I have 6GB RAM. Please
> >> advise.
> >>
> >>  I have set  -
> >>
> >> *hbase.client.scanner.caching* to 1. *
> >> hbase.client.scanner.timeout.period *to* 120000
> >> hbase.regionserver.handler.count* to 10. *
> >> hbase.rpc.timeout *to 900000
> >> *hbase.regionserver.lease.period* to 900000
> >> *hbase.client.write.buffer* to 2097152
> >>
> >> Please advise what can be done to avoid out of memory error: heap space.
> >>
> >>
> >>
> >> On Sun, Oct 20, 2013 at 8:49 PM, Jean-Marc Spaggiari <
> >> [EMAIL PROTECTED]> wrote:
> >>
> >> > Also, Laxmi, if possible, I will highly recommend you to migrate to a
> >> more
> >> > recent version. 0.90 is VERY old...
> >> >
> >> >
> >> > 2013/10/20 lars hofhansl <[EMAIL PROTECTED]>
> >> >
> >> > > In any version < 0.96 it is 1. So in 0.90.6 it would be 1.
> >> > >
> >> > > -- Lars
> >> > >
> >> > >
> >> > >
> >> > > ----- Original Message -----
> >> > > From: A Laxmi <[EMAIL PROTECTED]>
> >> > > To: [EMAIL PROTECTED]
> >> > > Cc:
> >> > > Sent: Sunday, October 20, 2013 11:17 AM
> >> > > Subject: 'hbase.client.scanner.caching' default value for HBase
> 0.90.6?
> >> > >
> >> > > Hi,
> >> > >
> >> > > What is the default value of '*hbase.client.scanner.caching*' for
> >> *HBase
> >> > > 0.90.6* version in particular? Is it 1 or 100?
> >> > >
> >> > > Thanks
> >> > >
> >> > >
> >> >
> >>
> >> Confidentiality Notice:  The information contained in this message,
> >> including any attachments hereto, may be confidential and is intended
> to be
> >> read only by the individual or entity to whom this message is