public static void addDaughter(
final CatalogTracker catalogTracker, final HRegionInfo regionInfo, final ServerName sn)
throws NotAllMetaRegionsOnlineException, IOException {
Put put = new Put(regionInfo.getRegionName());
addRegionInfo(put, regionInfo);
if (sn != null) addLocation(put, sn);
putToMetaTable(catalogTracker, put);
LOG.info(
"Added daughter "
+ regionInfo.getRegionNameAsString()
+ (sn == null ? ", serverName=null" : ", serverName=" + sn.toString()));
}
/**
* Offline parent in meta. Used when splitting.
*
* @param catalogTracker
* @param parent
* @param a Split daughter region A
* @param b Split daughter region B
* @throws NotAllMetaRegionsOnlineException
* @throws IOException
*/
public static void offlineParentInMeta(
CatalogTracker catalogTracker, HRegionInfo parent, final HRegionInfo a, final HRegionInfo b)
throws NotAllMetaRegionsOnlineException, IOException {
HRegionInfo copyOfParent = new HRegionInfo(parent);
copyOfParent.setOffline(true);
copyOfParent.setSplit(true);
Put put = new Put(copyOfParent.getRegionName());
addRegionInfo(put, copyOfParent);
put.add(HConstants.CATALOG_FAMILY, HConstants.SPLITA_QUALIFIER, Writables.getBytes(a));
put.add(HConstants.CATALOG_FAMILY, HConstants.SPLITB_QUALIFIER, Writables.getBytes(b));
putToMetaTable(catalogTracker, put);
LOG.info("Offlined parent region " + parent.getRegionNameAsString() + " in META");
}
/**
* Adds a META row for the specified new region.
*
* @param regionInfo region information
* @throws IOException if problem connecting or updating meta
*/
public static void addRegionToMeta(CatalogTracker catalogTracker, HRegionInfo regionInfo)
throws IOException {
putToMetaTable(catalogTracker, makePutFromRegionInfo(regionInfo));
LOG.info("Added region " + regionInfo.getRegionNameAsString() + " to META");
}