public long getReplicableEdits() {
    return this.singleSourceSource.getWALEditsRead() - this.singleSourceSource.getEditsFiltered();
  }
Gets the number of edits eligible for replication read from this source queue logs so far.
@return replicableEdits total number of replicable edits read from this queue logs.
hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java