Geoff,

> then every region would receive the query, and execute the search
> and the results of this "query fanout" would then be merged together. Is
> that roughly the idea?

This is one possibility, and/or querying only specific region ranges.

> Individual lucene indexes would remain reasonably
> sized because each index indexes only the data of a single region

Yes, this is the design of HBase Search.

Jason

On Thu, Jul 21, 2011 at 10:18 AM, Geoff Hendrey <[email protected]> wrote:
> Thanks for the pointer. If I understand correctly, the index
> partitioning strategy would simply mirror the region-server partitioning
> strategy. That is to say, each region would have a lucene index stored
> in HDFS to provide secondary indexing. When a user searches for "Fat
> Cat", then every region would receive the query, and execute the search
> and the results of this "query fanout" would then be merged together. Is
> that roughly the idea? Individual lucene indexes would remain reasonably
> sized because each index indexes only the data of a single region.
> Correct?
>
> This is really interesting stuff. Thanks for your help in understanding
> it.
>
> -geoff
>
> -----Original Message-----
> From: Gary Helmling [mailto:[email protected]]
> Sent: Tuesday, July 19, 2011 11:21 AM
> To: [email protected]
> Subject: Re: hbase + lucene?
>
> I wasn't at the day-after presentation, but I believe these are the
> slides?
>
> https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=0B2c-F
> WyLSJBCN2E5MTdmOGMtY2U5NS00NmEwLWE2NmItZTYxOTI0MTJmMzU5&hl=en_US
>
>
> On Tue, Jul 19, 2011 at 10:29 AM, Stack <[email protected]> wrote:
>
>> Here is the issue: https://issues.apache.org/jira/browse/HBASE-3529
>>
>> And let me chase Jason to post his slides.
>>
>> St.Ack
>>
>> On Tue, Jul 19, 2011 at 9:12 AM, Geoff Hendrey <[email protected]>
>> wrote:
>> > Hi -
>> >
>> >
>> >
>> > At hadoop summit it was mentioned that there was a planning meeting
> for
>> > a project regarding hbase and lucene. I believe the meeting was
>> > scheduled for the day after the summit. I wasn't able to attend, but
> I
>> > would like to keep abreast of what's going on in this regard. Anyone
>> > know anything about this?
>> >
>> >
>> >
>> > -geoff
>> >
>> >
>>
>

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