Package org.apache.hadoop.hbase.regionserver

Interface FavoredNodesForRegion

All Known Subinterfaces:
RegionServerServices
All Known Implementing Classes:
HRegionServer, MiniHBaseCluster.MiniHBaseClusterRegionServer
@Private public interface FavoredNodesForRegion
Abstraction that allows different modules in RegionServer to update/get the favored nodes information for regions.

  • Method Details

    • updateRegionFavoredNodesMapping

      void updateRegionFavoredNodesMapping(String encodedRegionName, List<org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.ServerName> favoredNodes)
      Used to update the favored nodes mapping when required.

    • getFavoredNodesForRegion

      InetSocketAddress[] getFavoredNodesForRegion(String encodedRegionName)
      Get the favored nodes mapping for this region. Used when the HDFS create API is invoked to pass in favored nodes hints for new region files.
      Returns:
      array containing the favored nodes' InetSocketAddresses