Please take a look at the following method in HBaseAdmin:
public ClusterStatus getClusterStatus() throws IOException {
Cheers
On Tue, Jun 24, 2014 at 11:34 AM, Geovanie Marquez <
[email protected]> wrote:
> What is a good way of checking RegionState?
>
> I am getting the following error when I programmatically try to merge
> regions.
>
> Exception in thread "main" java.lang.RuntimeException:
> org.apache.hadoop.hbase.exceptions.MergeRegionException:
> org.apache.hadoop.hbase.exceptions.MergeRegionException: Unable to merge
> regions not online {bc279b84bdfc06496d3fbc2acf12085f state=MERGED,
> ts=1403551774320, server=<server-fqdn>,60020,1403551532067},
> {c7ff5a85b0c8a82d933e3b826fa4fa2b state=OPEN, ts=1403551554878,
> server=<server-fqdn>,60020,1403551532067}
>
> This is intermittent and when I rerun the program, the regions merge
> without problem. Sometimes I have to do this several times. I would rather
> check the region state and then place a wait for some number of retries.
>
> byte[] regionA =
> regionLocations.get(0).getRegionInfo().getEncodedNameAsBytes();
>
> for (int i = 1; i < regionLocations.size(); i++) {
>
> byte[] regionB =
> regionLocations.get(i).getRegionInfo().getEncodedNameAsBytes();
>
> admin.mergeRegions(regionA, regionB, true); // HERE - I error
> out with state=OPEN problems. How can I check state?
>
> }
>
> Can I check for RegionState somewhere? I am having trouble finding a good
> Class to do this with.
>
