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HBase >> mail # user >> HRegionInfo returns empty values.


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JUN YOUNG KIM 2012-10-19, 08:36
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Re: HRegionInfo returns empty values.
Which HBase version are you using ?
How many regions are there for the underlying table ?

Thanks

On Fri, Oct 19, 2012 at 1:36 AM, JUN YOUNG KIM <[EMAIL PROTECTED]> wrote:

> Hi, hbase-users.
>
> To get a start-key and end-key from each region, I implemented simple code
> like this.
>
>
>
>         HTable table = new HTable(admin.getConf(), admin.getTableName());
>         NavigableMap<HRegionInfo, ServerName> locations > table.getRegionLocations();
>         for (Map.Entry<HRegionInfo, ServerName> entry:
> locations.entrySet()) {
>             HRegionInfo info = entry.getKey();
>
>             System.out.println("server : " +
> entry.getValue().getHostname());
>             System.out.println("start : " + info.getStartKey().length);
>             System.out.println("end : " + info.getEndKey().length);
>         }
>
>
> but, this code returns
>
> server : one-of-servers-name
> start : 0
> end : 0
>
> start-key and end-key is empty. nothing!
> data size is very strong. it's about 10,000.
> from integer 0 to integer 10,000.
>
> how could I get correct range of a region?
>
> thanks for your concerns.
>
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Henry JunYoung KIM 2012-10-19, 09:03
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Ramkrishna.S.Vasudevan 2012-10-19, 09:07
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Henry JunYoung KIM 2012-10-19, 08:43
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Anoop Sam John 2012-10-19, 08:57
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Ramkrishna.S.Vasudevan 2012-10-19, 08:51
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Henry JunYoung KIM 2012-10-22, 00:15
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Ramkrishna.S.Vasudevan 2012-10-23, 04:32
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB