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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>
