public byte[] getEncodedRegionName() {
      return encodedRegionName;
    }
A buffer of some number of edits for a given region. This accumulates edits and also provides a
memory optimization in order to share a single byte array instance for the table and region
name. Also tracks memory usage of the accumulated edits.
hbase-server/src/main/java/org/apache/hadoop/hbase/wal/EntryBuffers.java