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Posted to user@hbase.apache.org by whodarewin2006 <wh...@126.com> on 2015/08/03 16:53:49 UTC
Re:Re: Question for return size of PageFilter
hi,Ted
I thank we can control the return size on the hbase client side,cause the client will scan regionserver one by one,if we get enough records,we can stop scan and return the records,is this OK?
At 2015-07-31 21:04:43, "Ted Yu" <yu...@gmail.com> wrote:
>Coordination across different region servers is likely to reduce efficiency
>of the filter.
>
>Can you apply other attributes of Scan or combine with other filter(s) ?
>
>Cheers
>
>On Fri, Jul 31, 2015 at 4:42 AM, whodarewin2006 <wh...@126.com>
>wrote:
>
>> hi,all
>> I am using PageFilter to limit the return record from hbase,but I
>> found that the record amount that returns from hbase is more than the
>> amount I set to PageFilter,I read the annotate ,it said the PageFilter is
>> applied separately on different region servers,and return regionserver
>> amount*limit size count record,so the question is : can we optimize the
>> PageFilter that return the size we want?
Re: Re: Re: Question for return size of PageFilter
Posted by Ted Yu <yu...@gmail.com>.
Generally speaking, Filters are applied on server side.
Controlling the return size on the client side would reduce the efficacy of
Filters.
Cheers
On Wed, Aug 5, 2015 at 3:06 AM, whodarewin2006 <wh...@126.com>
wrote:
> I didn't thank about it,I will think it over.thank you for your time.
>
>
>
>
>
>
>
>
> At 2015-08-03 22:59:32, "Ted Yu" <yu...@gmail.com> wrote:
> >If you use PageFilter alone, that sounds Okay. What happens when
> PageFilter
> >is combined with other filters ?
> >
> >Cheers
> >
> >On Mon, Aug 3, 2015 at 7:53 AM, whodarewin2006 <wh...@126.com>
> >wrote:
> >
> >> hi,Ted
> >> I thank we can control the return size on the hbase client
> side,cause
> >> the client will scan regionserver one by one,if we get enough records,we
> >> can stop scan and return the records,is this OK?
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >> At 2015-07-31 21:04:43, "Ted Yu" <yu...@gmail.com> wrote:
> >> >Coordination across different region servers is likely to reduce
> >> efficiency
> >> >of the filter.
> >> >
> >> >Can you apply other attributes of Scan or combine with other filter(s)
> ?
> >> >
> >> >Cheers
> >> >
> >> >On Fri, Jul 31, 2015 at 4:42 AM, whodarewin2006 <
> whodarewin2006@126.com>
> >> >wrote:
> >> >
> >> >> hi,all
> >> >> I am using PageFilter to limit the return record from hbase,but I
> >> >> found that the record amount that returns from hbase is more than the
> >> >> amount I set to PageFilter,I read the annotate ,it said the
> PageFilter
> >> is
> >> >> applied separately on different region servers,and return
> regionserver
> >> >> amount*limit size count record,so the question is : can we optimize
> the
> >> >> PageFilter that return the size we want?
> >>
>
Re:Re: Re: Question for return size of PageFilter
Posted by whodarewin2006 <wh...@126.com>.
I didn't thank about it,I will think it over.thank you for your time.
At 2015-08-03 22:59:32, "Ted Yu" <yu...@gmail.com> wrote:
>If you use PageFilter alone, that sounds Okay. What happens when PageFilter
>is combined with other filters ?
>
>Cheers
>
>On Mon, Aug 3, 2015 at 7:53 AM, whodarewin2006 <wh...@126.com>
>wrote:
>
>> hi,Ted
>> I thank we can control the return size on the hbase client side,cause
>> the client will scan regionserver one by one,if we get enough records,we
>> can stop scan and return the records,is this OK?
>>
>>
>>
>>
>>
>>
>>
>>
>> At 2015-07-31 21:04:43, "Ted Yu" <yu...@gmail.com> wrote:
>> >Coordination across different region servers is likely to reduce
>> efficiency
>> >of the filter.
>> >
>> >Can you apply other attributes of Scan or combine with other filter(s) ?
>> >
>> >Cheers
>> >
>> >On Fri, Jul 31, 2015 at 4:42 AM, whodarewin2006 <wh...@126.com>
>> >wrote:
>> >
>> >> hi,all
>> >> I am using PageFilter to limit the return record from hbase,but I
>> >> found that the record amount that returns from hbase is more than the
>> >> amount I set to PageFilter,I read the annotate ,it said the PageFilter
>> is
>> >> applied separately on different region servers,and return regionserver
>> >> amount*limit size count record,so the question is : can we optimize the
>> >> PageFilter that return the size we want?
>>
Re: Re: Question for return size of PageFilter
Posted by Ted Yu <yu...@gmail.com>.
If you use PageFilter alone, that sounds Okay. What happens when PageFilter
is combined with other filters ?
Cheers
On Mon, Aug 3, 2015 at 7:53 AM, whodarewin2006 <wh...@126.com>
wrote:
> hi,Ted
> I thank we can control the return size on the hbase client side,cause
> the client will scan regionserver one by one,if we get enough records,we
> can stop scan and return the records,is this OK?
>
>
>
>
>
>
>
>
> At 2015-07-31 21:04:43, "Ted Yu" <yu...@gmail.com> wrote:
> >Coordination across different region servers is likely to reduce
> efficiency
> >of the filter.
> >
> >Can you apply other attributes of Scan or combine with other filter(s) ?
> >
> >Cheers
> >
> >On Fri, Jul 31, 2015 at 4:42 AM, whodarewin2006 <wh...@126.com>
> >wrote:
> >
> >> hi,all
> >> I am using PageFilter to limit the return record from hbase,but I
> >> found that the record amount that returns from hbase is more than the
> >> amount I set to PageFilter,I read the annotate ,it said the PageFilter
> is
> >> applied separately on different region servers,and return regionserver
> >> amount*limit size count record,so the question is : can we optimize the
> >> PageFilter that return the size we want?
>