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HBASE-25986 set default value of normalization enabled from hbase site (#3476) (#3372) 

Signed-off-by: Viraj Jasani <vjasani@apache.org>
This commit is contained in:
Aman Poonia 2021-07-19 15:26:52 +05:30 committed by GitHub
parent 55d93fbf2d
commit cabf0dc51d
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 34 additions and 15 deletions
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1
hbase-client/src/main/java/org/apache/hadoop/hbase/HTableDescriptor.java
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@ -75,7 +75,6 @@ public class HTableDescriptor implements TableDescriptor, Comparable<HTableDescr
public static final String PRIORITY = TableDescriptorBuilder.PRIORITY;
public static final boolean DEFAULT_READONLY = TableDescriptorBuilder.DEFAULT_READONLY;
public static final boolean DEFAULT_COMPACTION_ENABLED = TableDescriptorBuilder.DEFAULT_COMPACTION_ENABLED;
public static final boolean DEFAULT_NORMALIZATION_ENABLED = TableDescriptorBuilder.DEFAULT_NORMALIZATION_ENABLED;
public static final long DEFAULT_MEMSTORE_FLUSH_SIZE = TableDescriptorBuilder.DEFAULT_MEMSTORE_FLUSH_SIZE;
public static final int DEFAULT_REGION_REPLICATION = TableDescriptorBuilder.DEFAULT_REGION_REPLICATION;
public static final boolean DEFAULT_REGION_MEMSTORE_REPLICATION = TableDescriptorBuilder.DEFAULT_REGION_MEMSTORE_REPLICATION;

2
hbase-client/src/main/java/org/apache/hadoop/hbase/client/TableDescriptor.java
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@ -290,7 +290,7 @@ public interface TableDescriptor {
/**
* Check if normalization enable flag of the table is true. If flag is false
* then no region normalizer won't attempt to normalize this table.
* then region normalizer won't attempt to normalize this table.
*
* @return true if region normalization is enabled for this table
*/

11
hbase-client/src/main/java/org/apache/hadoop/hbase/client/TableDescriptorBuilder.java
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@ -221,11 +221,6 @@ public class TableDescriptorBuilder {
*/
public static final boolean DEFAULT_MERGE_ENABLED = true;
/**
* Constant that denotes whether the table is normalized by default.
*/
public static final boolean DEFAULT_NORMALIZATION_ENABLED = false;
/**
* Constant that denotes the maximum default size of the memstore in bytes after which
* the contents are flushed to the store files.
@ -247,7 +242,6 @@ public class TableDescriptorBuilder {
String.valueOf(DEFAULT_MEMSTORE_FLUSH_SIZE));
DEFAULT_VALUES.put(DURABILITY, DEFAULT_DURABLITY.name()); //use the enum name
DEFAULT_VALUES.put(REGION_REPLICATION, String.valueOf(DEFAULT_REGION_REPLICATION));
DEFAULT_VALUES.put(NORMALIZATION_ENABLED, String.valueOf(DEFAULT_NORMALIZATION_ENABLED));
DEFAULT_VALUES.put(PRIORITY, String.valueOf(DEFAULT_PRIORITY));
DEFAULT_VALUES.keySet().stream()
.map(s -> new Bytes(Bytes.toBytes(s))).forEach(RESERVED_KEYWORDS::add);
@ -897,12 +891,11 @@ public class TableDescriptorBuilder {
/**
* Check if normalization enable flag of the table is true. If flag is false
* then no region normalizer won't attempt to normalize this table.
*
* @return true if region normalization is enabled for this table
*/
**/
@Override
public boolean isNormalizationEnabled() {
return getOrDefault(NORMALIZATION_ENABLED_KEY, Boolean::valueOf, DEFAULT_NORMALIZATION_ENABLED);
return getOrDefault(NORMALIZATION_ENABLED_KEY, Boolean::valueOf, false);
}
/**

7
hbase-common/src/main/resources/hbase-default.xml
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@ -661,6 +661,13 @@ possible configurations would overwhelm and obscure the important.
<description>The minimum size for a region to be considered for a merge, in whole
MBs.</description>
</property>
<property>
<name>hbase.table.normalization.enabled</name>
<value>false</value>
<description>This config is used to set default behaviour of normalizer at table level.
To override this at table level one can set NORMALIZATION_ENABLED at table descriptor level
and that property will be honored</description>
</property>
<property>
<name>hbase.server.thread.wakefrequency</name>
<value>10000</value>

28
hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/RegionNormalizerWorker.java
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@ -26,6 +26,7 @@ import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.client.RegionInfo;
import org.apache.hadoop.hbase.client.TableDescriptor;
import org.apache.hadoop.hbase.client.TableDescriptorBuilder;
import org.apache.hadoop.hbase.conf.ConfigurationManager;
import org.apache.hadoop.hbase.conf.ConfigurationObserver;
import org.apache.hadoop.hbase.conf.PropagatingConfigurationObserver;
@ -43,6 +44,8 @@ import org.apache.hbase.thirdparty.org.apache.commons.collections4.CollectionUti
*/
@InterfaceAudience.Private
class RegionNormalizerWorker implements PropagatingConfigurationObserver, Runnable {
public static final String HBASE_TABLE_NORMALIZATION_ENABLED =
"hbase.table.normalization.enabled";
private static final Logger LOG = LoggerFactory.getLogger(RegionNormalizerWorker.class);
static final String RATE_LIMIT_BYTES_PER_SEC_KEY =
@ -55,6 +58,7 @@ class RegionNormalizerWorker implements PropagatingConfigurationObserver, Runnab
private final RateLimiter rateLimiter;
private final long[] skippedCount;
private final boolean defaultNormalizerTableLevel;
private long splitPlanCount;
private long mergePlanCount;
@ -71,6 +75,12 @@ class RegionNormalizerWorker implements PropagatingConfigurationObserver, Runnab
this.splitPlanCount = 0;
this.mergePlanCount = 0;
this.rateLimiter = loadRateLimiter(configuration);
this.defaultNormalizerTableLevel = extractDefaultNormalizerValue(configuration);
}
private boolean extractDefaultNormalizerValue(final Configuration configuration) {
String s = configuration.get(HBASE_TABLE_NORMALIZATION_ENABLED);
return Boolean.parseBoolean(s);
}
@Override
@ -181,10 +191,20 @@ class RegionNormalizerWorker implements PropagatingConfigurationObserver, Runnab
final TableDescriptor tblDesc;
try {
tblDesc = masterServices.getTableDescriptors().get(tableName);
if (tblDesc != null && !tblDesc.isNormalizationEnabled()) {
LOG.debug("Skipping table {} because normalization is disabled in its table properties.",
tableName);
return Collections.emptyList();
boolean normalizationEnabled;
if (tblDesc != null) {
String defined = tblDesc.getValue(TableDescriptorBuilder.NORMALIZATION_ENABLED);
if(defined != null) {
normalizationEnabled = tblDesc.isNormalizationEnabled();
} else {
normalizationEnabled = this.defaultNormalizerTableLevel;
}
if (!normalizationEnabled) {
LOG.debug("Skipping table {} because normalization is disabled in its table properties " +
"and normalization is also disabled at table level by default",
tableName);
return Collections.emptyList();
}
}
} catch (IOException e) {
LOG.debug("Skipping table {} because unable to access its table descriptor.", tableName, e);