Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
<%--
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
--%>
<%@ page contentType="text/html;charset=UTF-8"
import="static org.apache.commons.lang3.StringEscapeUtils.escapeXml"
import="java.net.URLEncoder"
import="java.util.ArrayList"
import="java.util.Collection"
import="java.util.HashMap"
import="java.util.LinkedHashMap"
import="java.util.List"
import="java.util.Map"
import="java.util.Set"
import="java.util.HashSet"
import="java.util.Optional"
import="java.util.TreeMap"
import="java.util.concurrent.TimeoutException"
import="java.util.concurrent.TimeUnit"
import="org.apache.commons.lang3.StringEscapeUtils"
import="org.apache.hadoop.conf.Configuration"
import="org.apache.hadoop.hbase.HConstants"
import="org.apache.hadoop.hbase.HRegionLocation"
import="org.apache.hadoop.hbase.NotServingRegionException"
import="org.apache.hadoop.hbase.RegionMetrics"
import="org.apache.hadoop.hbase.RegionMetricsBuilder"
import="org.apache.hadoop.hbase.ServerMetrics"
import="org.apache.hadoop.hbase.ServerName"
import="org.apache.hadoop.hbase.Size"
import="org.apache.hadoop.hbase.TableName"
import="org.apache.hadoop.hbase.TableNotFoundException"
import="org.apache.hadoop.hbase.client.AsyncAdmin"
import="org.apache.hadoop.hbase.client.AsyncConnection"
import="org.apache.hadoop.hbase.client.ColumnFamilyDescriptor"
import="org.apache.hadoop.hbase.client.CompactionState"
import="org.apache.hadoop.hbase.client.RegionInfo"
import="org.apache.hadoop.hbase.client.RegionInfoBuilder"
import="org.apache.hadoop.hbase.client.RegionLocator"
import="org.apache.hadoop.hbase.client.RegionReplicaUtil"
import="org.apache.hadoop.hbase.client.Table"
import="org.apache.hadoop.hbase.client.TableState"
import="org.apache.hadoop.hbase.client.ColumnFamilyDescriptor"
import="org.apache.hadoop.hbase.http.InfoServer"
import="org.apache.hadoop.hbase.master.HMaster"
import="org.apache.hadoop.hbase.master.RegionState"
import="org.apache.hadoop.hbase.master.assignment.RegionStateNode"
import="org.apache.hadoop.hbase.master.assignment.RegionStates"
import="org.apache.hadoop.hbase.master.http.MetaBrowser"
import="org.apache.hadoop.hbase.master.http.RegionReplicaInfo"
import="org.apache.hadoop.hbase.quotas.QuotaSettingsFactory"
import="org.apache.hadoop.hbase.quotas.QuotaTableUtil"
import="org.apache.hadoop.hbase.NotAllMetaRegionsOnlineException" %>
<%@ page import="org.apache.hadoop.hbase.quotas.SpaceQuotaSnapshot" %>
<%@ page import="org.apache.hadoop.hbase.quotas.ThrottleSettings" %>
<%@ page import="org.apache.hadoop.hbase.util.Bytes" %>
<%@ page import="org.apache.hadoop.hbase.util.FSUtils" %>
<%@ page import="org.apache.hadoop.hbase.zookeeper.MetaTableLocator" %>
<%@ page import="org.apache.hadoop.util.StringUtils" %>
<%@ page import="org.apache.hbase.thirdparty.com.google.protobuf.ByteString" %>
<%@ page import="org.apache.hadoop.hbase.shaded.protobuf.generated.ClusterStatusProtos" %>
<%@ page import="org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos" %>
<%@ page import="org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.Quotas" %>
<%@ page import="org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.SpaceQuota" %>
<%@ page import="java.util.stream.Collectors" %>
<%!
/**
* @return An empty region load stamped with the passed in regionInfo
* region name.
*/
private static RegionMetrics getEmptyRegionMetrics(final RegionInfo regionInfo) {
return RegionMetricsBuilder.toRegionMetrics(ClusterStatusProtos.RegionLoad.newBuilder().
setRegionSpecifier(HBaseProtos.RegionSpecifier.newBuilder().
setType(HBaseProtos.RegionSpecifier.RegionSpecifierType.REGION_NAME).
setValue(ByteString.copyFrom(regionInfo.getRegionName())).build()).build());
}
/**
* Given dicey information that may or not be available in meta, render a link to the region on
* its region server.
* @return an anchor tag if one can be built, {@code null} otherwise.
*/
private static String buildRegionLink(final ServerName serverName, final int rsInfoPort,
final RegionInfo regionInfo, final RegionState.State regionState) {
if (serverName == null || regionInfo == null) { return null; }
if (regionState != RegionState.State.OPEN) {
// region is assigned to RS, but RS knows nothing of it. don't bother with a link.
return serverName.getServerName();
}
final String socketAddress = serverName.getHostname() + ":" + rsInfoPort;
final String URI = "//" + socketAddress + "/region.jsp"
+ "?name=" + regionInfo.getEncodedName();
return "" + serverName.getServerName() + "";
}
/**
* Render an
tag contents server name which the given region deploys.
* Links to the server rs-status page.
*
not deployed
instead if can not find the deploy message.
* @return an
tag contents server name links to server rs-status page.
*/
private static String buildRegionDeployedServerTag(RegionInfo regionInfo, HMaster master,
Map regionsToServer) {
ServerName serverName = regionsToServer.get(regionInfo);
if (serverName == null) {
return "
not deployed
";
}
String hostName = serverName.getHostname();
String hostNameEncoded = URLEncoder.encode(hostName);
// This port might be wrong if RS actually ended up using something else.
int serverInfoPort = master.getRegionServerInfoPort(serverName);
String urlRegionServer = "//" + hostNameEncoded + ":" + serverInfoPort + "/rs-status";
return "
tag guide user to see all region messages.
*/
private static String moreRegionsToRender(int numRegionsRendered, int numRegions, String fqtn) {
if (numRegions > numRegionsRendered) {
String allRegionsUrl = "?name=" + URLEncoder.encode(fqtn) + "&numRegions=all";
return "This table has " + numRegions
+ " regions in total, in order to improve the page load time, only "
+ numRegionsRendered + " regions are displayed here, click here to see all regions.
";
}
return "";
}
%>
<%
final String ZEROMB = "0 MB";
HMaster master = (HMaster)getServletContext().getAttribute(HMaster.MASTER);
Configuration conf = master.getConfiguration();
String fqtn = request.getParameter("name");
final String escaped_fqtn = StringEscapeUtils.escapeHtml4(fqtn);
Table table = master.getConnection().getTable(TableName.valueOf(fqtn));
boolean showFragmentation = conf.getBoolean("hbase.master.ui.fragmentation.enabled", false);
boolean readOnly = !InfoServer.canUserModifyUI(request, getServletContext(), conf);
int numMetaReplicas =
master.getTableDescriptors().get(TableName.META_TABLE_NAME).getRegionReplication();
Map frags = null;
if (showFragmentation) {
frags = FSUtils.getTableFragmentation(master);
}
boolean quotasEnabled = conf.getBoolean("hbase.quota.enabled", false);
String action = request.getParameter("action");
String key = request.getParameter("key");
String left = request.getParameter("left");
String right = request.getParameter("right");
long totalStoreFileSizeMB = 0;
final String numRegionsParam = request.getParameter("numRegions");
// By default, the page render up to 10000 regions to improve the page load time
int numRegionsToRender = 10000;
if (numRegionsParam != null) {
// either 'all' or a number
if (numRegionsParam.equals("all")) {
numRegionsToRender = -1;
} else {
try {
numRegionsToRender = Integer.parseInt(numRegionsParam);
} catch (NumberFormatException ex) {
// ignore
}
}
}
int numRegions = 0;
String pageTitle;
if ( !readOnly && action != null ) {
pageTitle = "HBase Master: " + StringEscapeUtils.escapeHtml4(master.getServerName().toString());
} else {
pageTitle = "Table: " + escaped_fqtn;
}
pageContext.setAttribute("pageTitle", pageTitle);
final AsyncConnection connection = master.getAsyncConnection();
final AsyncAdmin admin = connection.getAdminBuilder()
.setOperationTimeout(5, TimeUnit.SECONDS)
.build();
final MetaBrowser metaBrowser = new MetaBrowser(connection, request);
%>
<% // handle the case for fqtn is null or master is not initialized with error message + redirect
if (fqtn == null || ! master.isInitialized()) { %>
<%
// NOTE: Presumes meta with one or more replicas
for (int j = 0; j < numMetaReplicas; j++) {
RegionInfo meta = RegionReplicaUtil.getRegionInfoForReplica(
RegionInfoBuilder.FIRST_META_REGIONINFO, j);
//If a metaLocation is null, All of its info would be empty here to be displayed.
RegionStateNode rsn = master.getAssignmentManager().getRegionStates()
.getRegionStateNode(meta);
ServerName metaLocation = rsn != null ? rsn.getRegionLocation() : null;
for (int i = 0; i < 1; i++) {
//If metaLocation is null, default value below would be displayed in UI.
String hostAndPort = "";
String readReq = "N/A";
String writeReq = "N/A";
String fileSize = ZEROMB;
String fileCount = "N/A";
String memSize = ZEROMB;
if (metaLocation != null) {
ServerMetrics sl = master.getServerManager().getLoad(metaLocation);
// The host name portion should be safe, but I don't know how we handle IDNs so err on the side of failing safely.
hostAndPort = URLEncoder.encode(metaLocation.getHostname()) + ":" + master.getRegionServerInfoPort(metaLocation);
if (sl != null) {
Map map = sl.getRegionMetrics();
if (map.containsKey(meta.getRegionName())) {
RegionMetrics load = map.get(meta.getRegionName());
readReq = String.format("%,1d", load.getReadRequestCount());
writeReq = String.format("%,1d", load.getWriteRequestCount());
double rSize = load.getStoreFileSize().get(Size.Unit.BYTE);
if (rSize > 0) {
fileSize = StringUtils.byteDesc((long) rSize);
}
fileCount = String.format("%,1d", load.getStoreFileCount());
double mSize = load.getMemStoreSize().get(Size.Unit.BYTE);
if (mSize > 0) {
memSize = StringUtils.byteDesc((long)mSize);
}
}
}
}
%>
<%
// NOTE: Presumes meta with one or more replicas
for (int j = 0; j < numMetaReplicas; j++) {
RegionInfo meta = RegionReplicaUtil.getRegionInfoForReplica(
RegionInfoBuilder.FIRST_META_REGIONINFO, j);
//If a metaLocation is null, All of its info would be empty here to be displayed.
RegionStateNode rsn = master.getAssignmentManager().getRegionStates()
.getRegionStateNode(meta);
ServerName metaLocation = rsn != null ? rsn.getRegionLocation() : null;
for (int i = 0; i < 1; i++) {
//If metaLocation is null, default value below would be displayed in UI.
String hostAndPort = "";
float locality = 0.0f;
float localityForSsd = 0.0f;
if (metaLocation != null) {
ServerMetrics sl = master.getServerManager().getLoad(metaLocation);
hostAndPort = URLEncoder.encode(metaLocation.getHostname()) + ":" + master.getRegionServerInfoPort(metaLocation);
if (sl != null) {
Map map = sl.getRegionMetrics();
if (map.containsKey(meta.getRegionName())) {
RegionMetrics load = map.get(meta.getRegionName());
locality = load.getDataLocality();
localityForSsd = load.getDataLocalityForSsd();
}
}
}
%>
<%
// NOTE: Presumes meta with one or more replicas
for (int j = 0; j < numMetaReplicas; j++) {
RegionInfo meta = RegionReplicaUtil.getRegionInfoForReplica(
RegionInfoBuilder.FIRST_META_REGIONINFO, j);
//If a metaLocation is null, All of its info would be empty here to be displayed.
RegionStateNode rsn = master.getAssignmentManager().getRegionStates()
.getRegionStateNode(meta);
ServerName metaLocation = rsn != null ? rsn.getRegionLocation() : null;
for (int i = 0; i < 1; i++) {
//If metaLocation is null, default value below would be displayed in UI.
String hostAndPort = "";
long compactingCells = 0;
long compactedCells = 0;
String compactionProgress = "";
if (metaLocation != null) {
ServerMetrics sl = master.getServerManager().getLoad(metaLocation);
hostAndPort = URLEncoder.encode(metaLocation.getHostname()) + ":" + master.getRegionServerInfoPort(metaLocation);
if (sl != null) {
Map map = sl.getRegionMetrics();
if (map.containsKey(meta.getRegionName())) {
RegionMetrics load = map.get(meta.getRegionName());
compactingCells = load.getCompactingCellCount();
compactedCells = load.getCompactedCellCount();
if (compactingCells > 0) {
compactionProgress = String.format("%.2f", 100 * ((float)
compactedCells / compactingCells)) + "%";
}
}
}
}
%>
