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HBASE-17436 Add column to master web UI for displaying region states when listing regions of a table. 

Signed-off-by: Apekshit Sharma <appy@apache.org>
This commit is contained in:
Janos Gub 2018-01-05 14:30:10 -08:00 committed by Apekshit Sharma
parent 5ce9351129
commit 9cd0e1a490
1 changed files with 18 additions and 0 deletions
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18
hbase-server/src/main/resources/hbase-webapps/master/table.jsp
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@ -27,6 +27,7 @@
import="java.util.LinkedHashMap"
import="java.util.List"
import="java.util.Map"
import="java.util.HashMap"
import="java.util.TreeMap"
import="org.apache.commons.lang3.StringEscapeUtils"
import="org.apache.hadoop.conf.Configuration"
@ -46,6 +47,8 @@
import="org.apache.hadoop.hbase.client.RegionReplicaUtil"
import="org.apache.hadoop.hbase.client.Table"
import="org.apache.hadoop.hbase.master.HMaster"
import="org.apache.hadoop.hbase.master.assignment.RegionStates"
import="org.apache.hadoop.hbase.master.RegionState"
import="org.apache.hadoop.hbase.quotas.QuotaTableUtil"
import="org.apache.hadoop.hbase.quotas.SpaceQuotaSnapshot"
import="org.apache.hadoop.hbase.util.Bytes"
@ -247,6 +250,14 @@ if ( fqtn != null ) {
</table>
<%} else {
Admin admin = master.getConnection().getAdmin();
RegionStates states = master.getAssignmentManager().getRegionStates();
Map<RegionState.State, List<RegionInfo>> regionStates = states.getRegionByStateOfTable(table.getName());
Map<String, RegionState.State> stateMap = new HashMap<>();
for (RegionState.State regionState : regionStates.keySet()) {
for (RegionInfo regionInfo : regionStates.get(regionState)) {
stateMap.put(regionInfo.getEncodedName(), regionState);
}
}
RegionLocator r = master.getClusterConnection().getRegionLocator(table.getName());
try { %>
<h2>Table Attributes</h2>
@ -452,6 +463,7 @@ ShowDetailName&Start/End Key<input type="checkbox" id="showWhole" style="margin-
<th>Locality</th>
<th>Start Key</th>
<th>End Key</th>
<th>Region State</th>
<%
if (withReplica) {
%>
@ -630,6 +642,7 @@ ShowDetailName&Start/End Key<input type="checkbox" id="showWhole" style="margin-
String fileCount = "N/A";
String memSize = "N/A";
float locality = 0.0f;
String state = "N/A";
if(load != null) {
readReq = String.format("%,1d", load.getReadRequestsCount());
writeReq = String.format("%,1d", load.getWriteRequestsCount());
@ -639,6 +652,10 @@ ShowDetailName&Start/End Key<input type="checkbox" id="showWhole" style="margin-
locality = load.getDataLocality();
}
if (stateMap.containsKey(regionInfo.getEncodedName())) {
state = stateMap.get(regionInfo.getEncodedName()).toString();
}
if (addr != null) {
ServerLoad sl = master.getServerManager().getLoad(addr);
// This port might be wrong if RS actually ended up using something else.
@ -681,6 +698,7 @@ ShowDetailName&Start/End Key<input type="checkbox" id="showWhole" style="margin-
<td><%= locality%></td>
<td><%= escapeXml(showWhole?Bytes.toStringBinary(regionInfo.getStartKey()):"-")%></td>
<td><%= escapeXml(showWhole?Bytes.toStringBinary(regionInfo.getEndKey()):"-")%></td>
<td><%= state%></td>
<%
if (withReplica) {
%>