hbase-server/src/main/resources/hbase-webapps/regionserver/replicationStatus.jsp

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<%@ page contentType="text/html;charset=UTF-8"
         import="java.util.*"
         import="org.apache.hadoop.hbase.regionserver.HRegionServer"
         import="org.apache.hadoop.hbase.regionserver.HRegionServer"
         import ="org.apache.hadoop.hbase.replication.regionserver.ReplicationStatus" %>
<%
  HRegionServer regionServer =
    (HRegionServer) getServletContext().getAttribute(HRegionServer.REGIONSERVER);
  Map<String, ReplicationStatus> walGroupsReplicationStatus = regionServer.getWalGroupsReplicationStatus();

  if (walGroupsReplicationStatus != null && walGroupsReplicationStatus.size() > 0) {
%>

<div class="tabbable">
  <ul class="nav nav-pills" role="tablist">
    <li class="nav-item"><a class="nav-link active" href="#tab_currentLog" data-bs-toggle="tab" role="tab">Current Log</a> </li>
    <li class="nav-item"><a class="nav-link" href="#tab_replicationDelay" data-bs-toggle="tab" role="tab">Replication Delay</a></li>
  </ul>
  <div class="tab-content">
    <% request.setAttribute("metrics", walGroupsReplicationStatus); %>
    <div class="tab-pane active" id="tab_currentLog" role="tabpanel">
      <jsp:include page="replicationStatusCurrentLog.jsp"/>
    </div>
    <div class="tab-pane" id="tab_replicationDelay" role="tabpanel">
      <jsp:include page="replicationStatusReplicationDelay.jsp"/>
    </div>
  </div>
</div>
<p> If the replication delay is UNKNOWN, that means this walGroup doesn't start replicate yet and it may get disabled.
  If the size of log is 0, it means we are replicating current HLog, thus we can't get accurate size since it's not closed yet.</p>

<% } else { %>
  <p>No Replication Metrics for Peers</p>
<% } %>