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 > addressed. If > >> the reader of this message is not the intended recipient or an agent or > >> designee of the intended recipient, please note that any review, use, > >> disclosure or distribution of this message or its attachments, in any > form, > >> is strictly prohibited. If you have received this message in error, > please > >> immediately notify the sender and/or >
