private void incrLogEditsRead(long delta) {
    singleSourceSource.incrLogReadInEdits(delta);
    globalSourceSource.incrLogReadInEdits(delta);
  }
Add on the the number of log edits read
@param delta the number of log edits read.
hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java