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From Iván Memruk <ivan.mem...@protonmail.com>
Subject Re: Scan Sequence
Date Mon, 15 Jan 2018 16:59:17 GMT
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-------- Original Message --------
On Jan 15, 2018, 10:49 AM, Ted Yu wrote:

> bq. need region2 to search fist, because it has my own index.
>
> Looks like only some of the regions have your index. Can you tell us more
> about the characteristics of the region(s) where index would be present.
>
> bq. My scan will be blocked for my lock on region1,
>
> By 'my' I assume the lock is placed by your (application) code. Since hbase
> wouldn't know that a subsequent region has index (or suggestion) on what to
> scan.
> Can you give us more detail ?
>
> Thanks
>
> On Mon, Jan 15, 2018 at 7:42 AM, Yang Zhang  wrote:
>
>> Hello Everyone
>>
>> I want to know If the Scan is send to HBase by sequence? For
>> example, If I have a table that has two region(region1,region2), and I sent
>> a Scan() to this Table. This Scan will be send to region1 first and until
>> region1 returned, region2 can get this Scan? So If There are some methods
>> than I can control the sequence?
>>
>> some time I need region2 to search fist, because it has my own index.
>> Then It will give an suggest to other region about where to search.. I am
>> using zookeeper to do this, But I found that My scan will be blocked for my
>> lock on region1, and region2 who has the suggest, even't can't receive this
>> scan.
>>
>> Anyone have suggest?
>>
>>
>> Thanks very much
>> @gmail.com>
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