HBASE-23969 Meta browser should show all `info` columns (#1485)
Signed-off-by: Nick Dimiduk <ndimiduk@apache.org> Signed-off-by: Viraj Jasani <vjasani@apache.org>
This commit is contained in:
Mingliang Liu
GitHub
parent
a782531633
commit
a40a0322a7
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@ -384,32 +384,42 @@ public class MetaTableAccessor {
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}
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/**
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* @return Deserialized regioninfo values taken from column values that match
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* @return Deserialized values of <qualifier,regioninfo> pairs taken from column values that match
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* the regex 'info:merge.*' in array of <code>cells</code>.
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*/
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@Nullable
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public static List<RegionInfo> getMergeRegions(Cell [] cells) {
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public static Map<String, RegionInfo> getMergeRegionsWithName(Cell [] cells) {
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if (cells == null) {
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return null;
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}
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List<RegionInfo> regionsToMerge = null;
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Map<String, RegionInfo> regionsToMerge = null;
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for (Cell cell: cells) {
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if (!isMergeQualifierPrefix(cell)) {
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continue;
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}
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// Ok. This cell is that of a info:merge* column.
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RegionInfo ri = RegionInfo.parseFromOrNull(cell.getValueArray(), cell.getValueOffset(),
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cell.getValueLength());
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cell.getValueLength());
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if (ri != null) {
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if (regionsToMerge == null) {
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regionsToMerge = new ArrayList<>();
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regionsToMerge = new LinkedHashMap<>();
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}
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regionsToMerge.add(ri);
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regionsToMerge.put(Bytes.toString(CellUtil.cloneQualifier(cell)), ri);
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}
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}
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return regionsToMerge;
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}
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/**
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* @return Deserialized regioninfo values taken from column values that match
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* the regex 'info:merge.*' in array of <code>cells</code>.
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*/
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@Nullable
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public static List<RegionInfo> getMergeRegions(Cell [] cells) {
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Map<String, RegionInfo> mergeRegionsWithName = getMergeRegionsWithName(cells);
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return (mergeRegionsWithName == null) ? null : new ArrayList<>(mergeRegionsWithName.values());
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}
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/**
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* @return True if any merge regions present in <code>cells</code>; i.e.
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* the column in <code>cell</code> matches the regex 'info:merge.*'.
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@ -873,8 +883,7 @@ public class MetaTableAccessor {
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* @param replicaId the replicaId of the region
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* @return a byte[] for sn column qualifier
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*/
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@VisibleForTesting
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static byte[] getServerNameColumn(int replicaId) {
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public static byte[] getServerNameColumn(int replicaId) {
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return replicaId == 0 ? HConstants.SERVERNAME_QUALIFIER
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: Bytes.toBytes(HConstants.SERVERNAME_QUALIFIER_STR + META_REPLICA_ID_DELIMITER
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+ String.format(RegionInfo.REPLICA_ID_FORMAT, replicaId));
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@ -966,6 +975,33 @@ public class MetaTableAccessor {
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}
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}
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/**
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* Returns the {@link ServerName} from catalog table {@link Result} where the region is
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* transitioning on. It should be the same as {@link MetaTableAccessor#getServerName(Result,int)}
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* if the server is at OPEN state.
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*
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* @param r Result to pull the transitioning server name from
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* @return A ServerName instance or {@link MetaTableAccessor#getServerName(Result,int)}
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* if necessary fields not found or empty.
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*/
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@Nullable
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public static ServerName getTargetServerName(final Result r, final int replicaId) {
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final Cell cell = r.getColumnLatestCell(HConstants.CATALOG_FAMILY,
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getServerNameColumn(replicaId));
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if (cell == null || cell.getValueLength() == 0) {
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RegionLocations locations = MetaTableAccessor.getRegionLocations(r);
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if (locations != null) {
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HRegionLocation location = locations.getRegionLocation(replicaId);
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if (location != null) {
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return location.getServerName();
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}
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}
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return null;
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}
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return ServerName.parseServerName(Bytes.toString(cell.getValueArray(), cell.getValueOffset(),
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cell.getValueLength()));
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}
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/**
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* The latest seqnum that the server writing to meta observed when opening the region.
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* E.g. the seqNum when the result of {@link #getServerName(Result, int)} was written.
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@ -493,11 +493,15 @@ public final class HConstants {
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public static final byte [] SERVERNAME_QUALIFIER = Bytes.toBytes(SERVERNAME_QUALIFIER_STR);
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/** The lower-half split region column qualifier string. */
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public static final String SPLITA_QUALIFIER_STR = "splitA";
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/** The lower-half split region column qualifier */
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public static final byte [] SPLITA_QUALIFIER = Bytes.toBytes("splitA");
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public static final byte [] SPLITA_QUALIFIER = Bytes.toBytes(SPLITA_QUALIFIER_STR);
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/** The upper-half split region column qualifier String. */
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public static final String SPLITB_QUALIFIER_STR = "splitB";
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/** The upper-half split region column qualifier */
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public static final byte [] SPLITB_QUALIFIER = Bytes.toBytes("splitB");
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public static final byte [] SPLITB_QUALIFIER = Bytes.toBytes(SPLITB_QUALIFIER_STR);
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/**
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* Merge qualifier prefix.
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@ -134,7 +134,7 @@ public class RegionStateStore {
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final State state = getRegionState(result, regionInfo);
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final ServerName lastHost = hrl.getServerName();
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final ServerName regionLocation = getRegionServer(result, replicaId);
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ServerName regionLocation = MetaTableAccessor.getTargetServerName(result, replicaId);
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final long openSeqNum = hrl.getSeqNum();
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// TODO: move under trace, now is visible for debugging
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@ -199,7 +199,7 @@ public class RegionStateStore {
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put.add(CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY)
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.setRow(put.getRow())
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.setFamily(HConstants.CATALOG_FAMILY)
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.setQualifier(getServerNameColumn(replicaId))
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.setQualifier(MetaTableAccessor.getServerNameColumn(replicaId))
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.setTimestamp(put.getTimestamp())
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.setType(Cell.Type.Put)
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.setValue(Bytes.toBytes(regionLocation.getServerName()))
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@ -299,42 +299,6 @@ public class RegionStateStore {
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return master.getTableDescriptors().get(tableName);
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}
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// ==========================================================================
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// Server Name
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// ==========================================================================
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/**
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* Returns the {@link ServerName} from catalog table {@link Result}
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* where the region is transitioning. It should be the same as
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* {@link MetaTableAccessor#getServerName(Result,int)} if the server is at OPEN state.
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* @param r Result to pull the transitioning server name from
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* @return A ServerName instance or {@link MetaTableAccessor#getServerName(Result,int)}
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* if necessary fields not found or empty.
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*/
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static ServerName getRegionServer(final Result r, int replicaId) {
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final Cell cell = r.getColumnLatestCell(HConstants.CATALOG_FAMILY,
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getServerNameColumn(replicaId));
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if (cell == null || cell.getValueLength() == 0) {
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RegionLocations locations = MetaTableAccessor.getRegionLocations(r);
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if (locations != null) {
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HRegionLocation location = locations.getRegionLocation(replicaId);
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if (location != null) {
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return location.getServerName();
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}
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}
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return null;
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}
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return ServerName.parseServerName(Bytes.toString(cell.getValueArray(),
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cell.getValueOffset(), cell.getValueLength()));
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}
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private static byte[] getServerNameColumn(int replicaId) {
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return replicaId == 0
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? HConstants.SERVERNAME_QUALIFIER
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: Bytes.toBytes(HConstants.SERVERNAME_QUALIFIER_STR + META_REPLICA_ID_DELIMITER
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+ String.format(RegionInfo.REPLICA_ID_FORMAT, replicaId));
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}
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// ==========================================================================
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// Region State
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// ==========================================================================
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@ -18,13 +18,16 @@
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package org.apache.hadoop.hbase.master.webapp;
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import java.util.Collections;
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import java.util.LinkedHashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.stream.Collectors;
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import java.util.stream.StreamSupport;
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import org.apache.commons.lang3.builder.EqualsBuilder;
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import org.apache.commons.lang3.builder.HashCodeBuilder;
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import org.apache.commons.lang3.builder.ToStringBuilder;
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import org.apache.commons.lang3.builder.ToStringStyle;
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import org.apache.hadoop.hbase.HConstants;
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import org.apache.hadoop.hbase.HRegionLocation;
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import org.apache.hadoop.hbase.MetaTableAccessor;
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import org.apache.hadoop.hbase.RegionLocations;
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@ -34,6 +37,7 @@ import org.apache.hadoop.hbase.client.Result;
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import org.apache.hadoop.hbase.master.RegionState;
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import org.apache.hadoop.hbase.master.assignment.RegionStateStore;
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import org.apache.hadoop.hbase.util.Bytes;
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import org.apache.hadoop.hbase.util.PairOfSameType;
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import org.apache.yetus.audience.InterfaceAudience;
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/**
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@ -45,6 +49,11 @@ public final class RegionReplicaInfo {
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private final RegionInfo regionInfo;
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private final RegionState.State regionState;
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private final ServerName serverName;
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private final long seqNum;
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/** See {@link org.apache.hadoop.hbase.HConstants#SERVERNAME_QUALIFIER_STR}. */
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private final ServerName targetServerName;
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private final Map<String, RegionInfo> mergeRegionInfo;
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private final Map<String, RegionInfo> splitRegionInfo;
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private RegionReplicaInfo(final Result result, final HRegionLocation location) {
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this.row = result != null ? result.getRow() : null;
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@ -53,6 +62,26 @@ public final class RegionReplicaInfo {
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? RegionStateStore.getRegionState(result, regionInfo)
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: null;
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this.serverName = location != null ? location.getServerName() : null;
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this.seqNum = (location != null) ? location.getSeqNum() : HConstants.NO_SEQNUM;
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this.targetServerName = (result != null && regionInfo != null)
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? MetaTableAccessor.getTargetServerName(result, regionInfo.getReplicaId())
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: null;
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this.mergeRegionInfo = (result != null)
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? MetaTableAccessor.getMergeRegionsWithName(result.rawCells())
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: null;
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if (result != null) {
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PairOfSameType<RegionInfo> daughterRegions = MetaTableAccessor.getDaughterRegions(result);
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this.splitRegionInfo = new LinkedHashMap<>();
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if (daughterRegions.getFirst() != null) {
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splitRegionInfo.put(HConstants.SPLITA_QUALIFIER_STR, daughterRegions.getFirst());
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}
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if (daughterRegions.getSecond() != null) {
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splitRegionInfo.put(HConstants.SPLITB_QUALIFIER_STR, daughterRegions.getSecond());
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}
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} else {
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this.splitRegionInfo = null;
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}
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}
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public static List<RegionReplicaInfo> from(final Result result) {
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@ -102,6 +131,22 @@ public final class RegionReplicaInfo {
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return serverName;
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}
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public long getSeqNum() {
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return seqNum;
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}
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public ServerName getTargetServerName() {
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return targetServerName;
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}
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public Map<String, RegionInfo> getMergeRegionInfo() {
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return mergeRegionInfo;
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}
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public Map<String, RegionInfo> getSplitRegionInfo() {
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return splitRegionInfo;
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}
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@Override
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public boolean equals(Object other) {
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if (this == other) {
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@ -119,6 +164,10 @@ public final class RegionReplicaInfo {
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.append(regionInfo, that.regionInfo)
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.append(regionState, that.regionState)
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.append(serverName, that.serverName)
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.append(seqNum, that.seqNum)
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.append(targetServerName, that.targetServerName)
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.append(mergeRegionInfo, that.mergeRegionInfo)
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.append(splitRegionInfo, that.splitRegionInfo)
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.isEquals();
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}
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@ -129,15 +178,24 @@ public final class RegionReplicaInfo {
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.append(regionInfo)
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.append(regionState)
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.append(serverName)
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.append(seqNum)
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.append(targetServerName)
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.append(mergeRegionInfo)
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.append(splitRegionInfo)
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.toHashCode();
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}
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@Override public String toString() {
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@Override
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public String toString() {
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return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE)
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.append("row", Bytes.toStringBinary(row))
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.append("regionInfo", regionInfo)
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.append("regionState", regionState)
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.append("serverName", serverName)
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.append("seqNum", seqNum)
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.append("transitioningOnServerName", targetServerName)
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.append("merge*", mergeRegionInfo)
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.append("split*", splitRegionInfo)
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.toString();
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}
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}
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@ -69,6 +69,7 @@
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<%@ page import="org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos" %>
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<%@ page import="org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.Quotas" %>
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<%@ page import="org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.SpaceQuota" %>
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<%@ page import="java.util.stream.Collectors" %>
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<%!
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/**
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* @return An empty region load stamped with the passed in <code>regionInfo</code>
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@ -386,69 +387,100 @@ if (fqtn != null && master.isInitialized()) {
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<%
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}
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}
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String regionInfoColumnName = HConstants.CATALOG_FAMILY_STR + ":" + HConstants.REGIONINFO_QUALIFIER_STR;
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String serverColumnName = HConstants.CATALOG_FAMILY_STR + ":" + HConstants.SERVER_QUALIFIER_STR;
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String startCodeColumnName = HConstants.CATALOG_FAMILY_STR + ":" + HConstants.STARTCODE_QUALIFIER_STR;
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String serverNameColumnName = HConstants.CATALOG_FAMILY_STR + ":" + HConstants.SERVERNAME_QUALIFIER_STR;
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String seqNumColumnName = HConstants.CATALOG_FAMILY_STR + ":" + HConstants.SEQNUM_QUALIFIER_STR;
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%>
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<table class="table table-striped">
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<tr>
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<th>RegionName</th>
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<th>Start Key</th>
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<th>End Key</th>
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<th>Replica ID</th>
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<th>RegionState</th>
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<th>ServerName</th>
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</tr>
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<%
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final boolean metaScanHasMore;
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byte[] lastRow = null;
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try (final MetaBrowser.Results results = metaBrowser.getResults()) {
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for (final RegionReplicaInfo regionReplicaInfo : results) {
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lastRow = Optional.ofNullable(regionReplicaInfo)
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.map(RegionReplicaInfo::getRow)
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.orElse(null);
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if (regionReplicaInfo == null) {
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%>
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<tr>
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<td colspan="6">Null result</td>
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</tr>
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<%
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continue;
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<div style="overflow-x: auto">
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<table class="table table-striped nowrap">
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<tr>
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<th title="Region name, stored in <%= regionInfoColumnName %> column">RegionName</th>
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<th title="The startKey of this region">Start Key</th>
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<th title="The endKey of this region">End Key</th>
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<th title="Region replica id">Replica ID</th>
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<th title="State of the region while undergoing transitions">RegionState</th>
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<th title="Server hosting this region replica, stored in <%= serverColumnName %> column">Server</th>
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<th title="The seqNum for the region at the time the server opened this region replica, stored in <%= seqNumColumnName %>">Sequence Number</th>
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<th title="The server to which the region is transiting, stored in <%= serverNameColumnName %> column">Target Server</th>
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<th title="The parents regions if this region is undergoing a merge">info:merge*</th>
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<th title="The daughter regions if this region is split">info:split*</th>
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</tr>
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<%
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final boolean metaScanHasMore;
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byte[] lastRow = null;
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try (final MetaBrowser.Results results = metaBrowser.getResults()) {
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for (final RegionReplicaInfo regionReplicaInfo : results) {
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lastRow = Optional.ofNullable(regionReplicaInfo)
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.map(RegionReplicaInfo::getRow)
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.orElse(null);
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if (regionReplicaInfo == null) {
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%>
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<tr>
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<td colspan="6">Null result</td>
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</tr>
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<%
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continue;
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}
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final String regionNameDisplay = regionReplicaInfo.getRegionName() != null
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? Bytes.toStringBinary(regionReplicaInfo.getRegionName())
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: "";
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final String startKeyDisplay = regionReplicaInfo.getStartKey() != null
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? Bytes.toStringBinary(regionReplicaInfo.getStartKey())
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: "";
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final String endKeyDisplay = regionReplicaInfo.getEndKey() != null
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? Bytes.toStringBinary(regionReplicaInfo.getEndKey())
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: "";
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final String replicaIdDisplay = regionReplicaInfo.getReplicaId() != null
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? regionReplicaInfo.getReplicaId().toString()
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: "";
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final String regionStateDisplay = regionReplicaInfo.getRegionState() != null
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? regionReplicaInfo.getRegionState().toString()
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: "";
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final RegionInfo regionInfo = regionReplicaInfo.getRegionInfo();
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final ServerName serverName = regionReplicaInfo.getServerName();
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final RegionState.State regionState = regionReplicaInfo.getRegionState();
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final int rsPort = master.getRegionServerInfoPort(serverName);
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final long seqNum = regionReplicaInfo.getSeqNum();
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final String regionSpanFormat = "<span title=" + HConstants.CATALOG_FAMILY_STR + ":%s>%s</span>";
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final String targetServerName = regionReplicaInfo.getTargetServerName().toString();
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final Map<String, RegionInfo> mergeRegions = regionReplicaInfo.getMergeRegionInfo();
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final String mergeRegionNames = (mergeRegions == null) ? "" :
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mergeRegions.entrySet().stream()
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.map(entry -> String.format(regionSpanFormat, entry.getKey(), entry.getValue().getRegionNameAsString()))
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.collect(Collectors.joining("<br/>"));
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final Map<String, RegionInfo> splitRegions = regionReplicaInfo.getSplitRegionInfo();
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final String splitName = (splitRegions == null) ? "" :
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splitRegions.entrySet().stream()
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.map(entry -> String.format(regionSpanFormat, entry.getKey(), entry.getValue().getRegionNameAsString()))
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.collect(Collectors.joining("<br/>"));
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%>
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<tr>
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<td title="<%= regionInfoColumnName %>"><%= regionNameDisplay %></td>
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<td title="startKey"><%= startKeyDisplay %></td>
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<td title="endKey"><%= endKeyDisplay %></td>
|
||||
<td title="replicaId"><%= replicaIdDisplay %></td>
|
||||
<td title="regionState"><%= regionStateDisplay %></td>
|
||||
<td title="<%= serverColumnName + "," + startCodeColumnName %>"><%= buildRegionServerLink(serverName, rsPort, regionInfo, regionState) %></td>
|
||||
<td title="<%= seqNumColumnName %>"><%= seqNum %></td>
|
||||
<td title="<%= serverNameColumnName %>"><%= targetServerName %></td>
|
||||
<td><%= mergeRegionNames %></td>
|
||||
<td><%= splitName %></td>
|
||||
</tr>
|
||||
<%
|
||||
}
|
||||
|
||||
metaScanHasMore = results.hasMoreResults();
|
||||
}
|
||||
|
||||
final String regionNameDisplay = regionReplicaInfo.getRegionName() != null
|
||||
? Bytes.toStringBinary(regionReplicaInfo.getRegionName())
|
||||
: "";
|
||||
final String startKeyDisplay = regionReplicaInfo.getStartKey() != null
|
||||
? Bytes.toStringBinary(regionReplicaInfo.getStartKey())
|
||||
: "";
|
||||
final String endKeyDisplay = regionReplicaInfo.getEndKey() != null
|
||||
? Bytes.toStringBinary(regionReplicaInfo.getEndKey())
|
||||
: "";
|
||||
final String replicaIdDisplay = regionReplicaInfo.getReplicaId() != null
|
||||
? regionReplicaInfo.getReplicaId().toString()
|
||||
: "";
|
||||
final String regionStateDisplay = regionReplicaInfo.getRegionState() != null
|
||||
? regionReplicaInfo.getRegionState().toString()
|
||||
: "";
|
||||
|
||||
final RegionInfo regionInfo = regionReplicaInfo.getRegionInfo();
|
||||
final ServerName serverName = regionReplicaInfo.getServerName();
|
||||
final RegionState.State regionState = regionReplicaInfo.getRegionState();
|
||||
final int rsPort = master.getRegionServerInfoPort(serverName);
|
||||
%>
|
||||
<tr>
|
||||
<td><%= regionNameDisplay %></td>
|
||||
<td><%= startKeyDisplay %></td>
|
||||
<td><%= endKeyDisplay %></td>
|
||||
<td><%= replicaIdDisplay %></td>
|
||||
<td><%= regionStateDisplay %></td>
|
||||
<td><%= buildRegionServerLink(serverName, rsPort, regionInfo, regionState) %></td>
|
||||
</tr>
|
||||
<%
|
||||
}
|
||||
|
||||
metaScanHasMore = results.hasMoreResults();
|
||||
}
|
||||
%>
|
||||
</table>
|
||||
%>
|
||||
</table>
|
||||
</div>
|
||||
<div class="row">
|
||||
<div class="col-md-4">
|
||||
<ul class="pagination" style="margin: 20px 0">
|
||||
|
|
|
|||
|
|
@ -54,3 +54,7 @@ table.tablesorter thead tr .headerSortUp {
|
|||
table.tablesorter thead tr .headerSortDown {
|
||||
background-image: url(desc.gif);
|
||||
}
|
||||
|
||||
table.nowrap th, table.nowrap td {
|
||||
white-space: nowrap;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue