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From A Laxmi <a.lakshmi...@gmail.com>
Subject Re: 'hbase.client.scanner.caching' default value for HBase 0.90.6?
Date Mon, 21 Oct 2013 12:16:14 GMT
Thanks Lars! I will give it a try and will let you know.

On Sunday, October 20, 2013, lars hofhansl <larsh@apache.org> wrote:
> 1/2 - 2/3 of your available RAM should be a good place to start.
>
>
>
> ________________________________
>  From: A Laxmi <a.lakshmi458@gmail.com>
> To: user@hbase.apache.org
> 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 <
vrodionov@carrieriq.com
>> 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: vrodionov@carrieriq.com
>>
>> ________________________________________
>> From: A Laxmi [a.lakshmi458@gmail.com]
>> Sent: Sunday, October 20, 2013 6:01 PM
>> To: user@hbase.apache.org
>> 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 <
>> jean-marc@spaggiari.org> 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 <larsh@apache.org>
>> >
>> > > In any version < 0.96 it is 1. So in 0.90.6 it would be 1.
>> > >
>> > > -- Lars
>> > >
>> > >
>> > >
>> > > ----- Original Message -----
>> > > From: A Laxmi <a.lakshmi458@gmail.com>
>> > > To: user@hbase.apache.org
>> > > 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
>> > >
>> > >
>> >
>>
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