hbase-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jean-Daniel Cryans <jdcry...@apache.org>
Subject Re: How to replace MetaUtils.ScannerListener?
Date Thu, 21 Mar 2013 21:18:18 GMT
Mmmm I may have been trigger happy. You could pull back the
ScannerListener and scanMetaRegion.

BTW, why are you using a Vector instead of ArrayList?

J-D

On Thu, Mar 21, 2013 at 2:05 PM, Jean-Marc Spaggiari
<jean-marc@spaggiari.org> wrote:
> Hi,
>
> In trunk, since HBASE-3171 (Drop ROOT and instead store META
> location(s) directly in ZooKeeper ) there is no more
> MetaUtils.ScannerListener.
>
> In the merge, I used it to retreive all the regions belonging to a
> specific table, from the META. kind of scan.
>
>           // Retrieve the list of regions for this table.
>           final List<HRegionInfo> regions = new Vector<HRegionInfo>();
>           utils.scanMetaRegion(HRegionInfo.FIRST_META_REGIONINFO, new
> MetaUtils.ScannerListener() {
>             public boolean processRow(HRegionInfo info) {
>               if ((info != null) &&
> (Bytes.compareTo(info.getTableName(), tableName) == 0)) {
>                 regions.add(info);
>               }
>               return true;
>             }
>           });
>
>
> Is there a recommanded way to replace that? The Merge is running
> offline, so I can't do a scan.
>
> Thanks,
>
> JM

Mime
View raw message