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Merge branch 'master' into batch-zk 

Conflicts:
	client/src/main/java/com/metamx/druid/QueryableNode.java
This commit is contained in:
fjy 2013-06-27 16:46:37 -07:00
parent e242baacf4 15a4dae2b1
commit 2969d9a713
19 changed files with 470 additions and 89 deletions
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28
client/src/main/java/com/metamx/druid/QueryableNode.java
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@ -46,6 +46,7 @@ import com.metamx.druid.coordination.DruidServerMetadata;
import com.metamx.druid.coordination.MultipleDataSegmentAnnouncerDataSegmentAnnouncer;
import com.metamx.druid.curator.SegmentReader;
import com.metamx.druid.curator.announcement.Announcer;
import com.metamx.druid.http.NoopRequestLogger;
import com.metamx.druid.http.RequestLogger;
import com.metamx.druid.initialization.CuratorConfig;
import com.metamx.druid.initialization.Initialization;
@ -371,21 +372,20 @@ public abstract class QueryableNode<T extends QueryableNode> extends Registering
if (requestLogger == null) {
try {
final String loggingType = props.getProperty("druid.request.logging.type");
if ("emitter".equals(loggingType)) {
setRequestLogger(
Initialization.makeEmittingRequestLogger(
getProps(),
getEmitter()
)
);
if("emitter".equals(loggingType)) {
setRequestLogger(Initialization.makeEmittingRequestLogger(
getProps(),
getEmitter()
));
}
else if ("file".equalsIgnoreCase(loggingType)) {
setRequestLogger(Initialization.makeFileRequestLogger(
getJsonMapper(),
getScheduledExecutorFactory(),
getProps()
));
} else {
setRequestLogger(
Initialization.makeFileRequestLogger(
getJsonMapper(),
getScheduledExecutorFactory(),
getProps()
)
);
setRequestLogger(new NoopRequestLogger());
}
}
catch (IOException e) {

31
client/src/main/java/com/metamx/druid/http/NoopRequestLogger.java Normal file
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@ -0,0 +1,31 @@
/*
* Druid - a distributed column store.
* Copyright (C) 2012 Metamarkets Group Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package com.metamx.druid.http;
/**
*/
public class NoopRequestLogger implements RequestLogger
{
@Override
public void log(RequestLogLine requestLogLine) throws Exception
{
// do nothing
}
}

7
client/src/main/java/com/metamx/druid/query/metadata/SegmentMetadataQueryQueryToolChest.java
View File

@ -46,13 +46,16 @@ import org.joda.time.Minutes;
import javax.annotation.Nullable;
import java.nio.ByteBuffer;
import java.util.Comparator;
import java.util.List;
import java.util.Map;
import java.util.Set;
public class SegmentMetadataQueryQueryToolChest extends QueryToolChest<SegmentAnalysis, SegmentMetadataQuery>
{
private static final TypeReference<SegmentAnalysis> TYPE_REFERENCE = new TypeReference<SegmentAnalysis>(){};
private static final TypeReference<SegmentAnalysis> TYPE_REFERENCE = new TypeReference<SegmentAnalysis>()
{
};
private static final byte[] SEGMENT_METADATA_CACHE_PREFIX = new byte[]{0x4};
@Override
@ -228,6 +231,6 @@ public class SegmentMetadataQueryQueryToolChest extends QueryToolChest<SegmentAn
{
return left.getId().compareTo(right.getId());
}
};
}.nullsFirst();
}
}

26
client/src/main/java/com/metamx/druid/query/timeboundary/TimeBoundaryQueryQueryToolChest.java
View File

@ -22,6 +22,8 @@ package com.metamx.druid.query.timeboundary;
import com.fasterxml.jackson.core.type.TypeReference;
import com.google.common.base.Function;
import com.google.common.base.Functions;
import com.google.common.base.Predicate;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import com.google.common.collect.Ordering;
import com.metamx.common.guava.MergeSequence;
@ -59,13 +61,29 @@ public class TimeBoundaryQueryQueryToolChest
};
@Override
public <T extends LogicalSegment> List<T> filterSegments(TimeBoundaryQuery query, List<T> input)
public <T extends LogicalSegment> List<T> filterSegments(TimeBoundaryQuery query, List<T> segments)
{
if(input.size() <= 1) {
return input;
if (segments.size() <= 1) {
return segments;
}
return Lists.newArrayList(input.get(0), input.get(input.size() - 1));
final T first = segments.get(0);
final T second = segments.get(segments.size() - 1);
return Lists.newArrayList(
Iterables.filter(
segments,
new Predicate<T>()
{
@Override
public boolean apply(T input)
{
return input.getInterval().overlaps(first.getInterval()) || input.getInterval()
.overlaps(second.getInterval());
}
}
)
);
}
@Override

100
client/src/test/java/com/metamx/druid/query/timeboundary/TimeBoundaryQueryQueryToolChestTest.java Normal file
View File

@ -0,0 +1,100 @@
/*
* Druid - a distributed column store.
* Copyright (C) 2012 Metamarkets Group Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package com.metamx.druid.query.timeboundary;
import com.metamx.druid.LogicalSegment;
import junit.framework.Assert;
import org.joda.time.Interval;
import org.junit.Test;
import java.util.Arrays;
import java.util.List;
/**
*/
public class TimeBoundaryQueryQueryToolChestTest
{
@Test
public void testFilterSegments() throws Exception
{
List<LogicalSegment> segments = new TimeBoundaryQueryQueryToolChest().filterSegments(
null,
Arrays.asList(
new LogicalSegment()
{
@Override
public Interval getInterval()
{
return new Interval("2013-01-01/P1D");
}
},
new LogicalSegment()
{
@Override
public Interval getInterval()
{
return new Interval("2013-01-01T01/PT1H");
}
},
new LogicalSegment()
{
@Override
public Interval getInterval()
{
return new Interval("2013-01-01T02/PT1H");
}
}
)
);
Assert.assertEquals(segments.size(), 3);
List<LogicalSegment> expected = Arrays.asList(
new LogicalSegment()
{
@Override
public Interval getInterval()
{
return new Interval("2013-01-01/P1D");
}
},
new LogicalSegment()
{
@Override
public Interval getInterval()
{
return new Interval("2013-01-01T01/PT1H");
}
},
new LogicalSegment()
{
@Override
public Interval getInterval()
{
return new Interval("2013-01-01T02/PT1H");
}
}
);
for (int i = 0; i < segments.size(); i++) {
Assert.assertEquals(segments.get(i).getInterval(), expected.get(i).getInterval());
}
}
}

3
common/src/main/java/com/metamx/druid/aggregation/CountAggregatorFactory.java
View File

@ -21,6 +21,7 @@ package com.metamx.druid.aggregation;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import com.google.common.primitives.Longs;
import com.metamx.druid.processing.ColumnSelectorFactory;
@ -40,6 +41,8 @@ public class CountAggregatorFactory implements AggregatorFactory
@JsonProperty("name") String name
)
{
Preconditions.checkNotNull(name, "Must have a valid, non null aggregator name");
this.name = name;
}

5
common/src/main/java/com/metamx/druid/aggregation/DoubleSumAggregator.java
View File

@ -19,6 +19,7 @@
package com.metamx.druid.aggregation;
import com.google.common.collect.Ordering;
import com.google.common.primitives.Doubles;
import com.metamx.druid.processing.FloatMetricSelector;
@ -28,14 +29,14 @@ import java.util.Comparator;
*/
public class DoubleSumAggregator implements Aggregator
{
static final Comparator COMPARATOR = new Comparator()
static final Comparator COMPARATOR = new Ordering()
{
@Override
public int compare(Object o, Object o1)
{
return Doubles.compare(((Number) o).doubleValue(), ((Number) o1).doubleValue());
}
};
}.nullsFirst();
static double combineValues(Object lhs, Object rhs)
{

4
common/src/main/java/com/metamx/druid/aggregation/DoubleSumAggregatorFactory.java
View File

@ -21,6 +21,7 @@ package com.metamx.druid.aggregation;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.common.base.Preconditions;
import com.google.common.primitives.Doubles;
import com.metamx.druid.processing.ColumnSelectorFactory;
@ -44,6 +45,9 @@ public class DoubleSumAggregatorFactory implements AggregatorFactory
@JsonProperty("fieldName") final String fieldName
)
{
Preconditions.checkNotNull(name, "Must have a valid, nonl null aggregator name");
Preconditions.checkNotNull(fieldName, "Must have a valid, non null fieldName");
this.name = name;
this.fieldName = fieldName;
}

30
common/src/main/java/com/metamx/druid/aggregation/HistogramAggregatorFactory.java
View File

@ -22,6 +22,8 @@ package com.metamx.druid.aggregation;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.common.base.Charsets;
import com.google.common.base.Preconditions;
import com.google.common.collect.Lists;
import com.google.common.primitives.Floats;
import com.google.common.primitives.Longs;
import com.metamx.druid.processing.ColumnSelectorFactory;
@ -49,12 +51,18 @@ public class HistogramAggregatorFactory implements AggregatorFactory
@JsonProperty("breaks") final List<Float> breaksList
)
{
Preconditions.checkNotNull(name, "Must have a valid, nonl null aggregator name");
Preconditions.checkNotNull(fieldName, "Must have a valid, non null fieldName");
this.name = name;
this.fieldName = fieldName;
this.breaksList = breaksList;
this.breaks = new float[breaksList.size()];
for(int i = 0; i < breaksList.size(); ++i) this.breaks[i] = breaksList.get(i);
this.breaksList = (breaksList == null) ? Lists.<Float>newArrayList() :breaksList;
this.breaks = new float[this.breaksList.size()];
for (int i = 0; i < this.breaksList.size(); ++i) {
this.breaks[i] = this.breaksList.get(i);
}
}
@Override
public Aggregator factorize(ColumnSelectorFactory metricFactory)
{
@ -95,14 +103,12 @@ public class HistogramAggregatorFactory implements AggregatorFactory
@Override
public Object deserialize(Object object)
{
if (object instanceof byte []) {
return Histogram.fromBytes((byte []) object);
}
else if (object instanceof ByteBuffer) {
if (object instanceof byte[]) {
return Histogram.fromBytes((byte[]) object);
} else if (object instanceof ByteBuffer) {
return Histogram.fromBytes((ByteBuffer) object);
}
else if(object instanceof String) {
byte[] bytes = Base64.decodeBase64(((String)object).getBytes(Charsets.UTF_8));
} else if (object instanceof String) {
byte[] bytes = Base64.decodeBase64(((String) object).getBytes(Charsets.UTF_8));
return Histogram.fromBytes(bytes);
}
return object;
@ -111,7 +117,7 @@ public class HistogramAggregatorFactory implements AggregatorFactory
@Override
public Object finalizeComputation(Object object)
{
return ((Histogram)object).asVisual();
return ((Histogram) object).asVisual();
}
@Override
@ -149,7 +155,7 @@ public class HistogramAggregatorFactory implements AggregatorFactory
@Override
public String getTypeName()
{
throw new UnsupportedOperationException("HistogramAggregatorFactory does not support getTypeName()");
throw new UnsupportedOperationException("HistogramAggregatorFactory does not support getTypeName()");
}
@Override

38
common/src/main/java/com/metamx/druid/aggregation/JavaScriptAggregatorFactory.java
View File

@ -23,6 +23,7 @@ import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.common.base.Charsets;
import com.google.common.base.Joiner;
import com.google.common.base.Preconditions;
import com.google.common.collect.Lists;
import com.google.common.primitives.Doubles;
import com.metamx.druid.processing.ColumnSelectorFactory;
@ -51,7 +52,6 @@ public class JavaScriptAggregatorFactory implements AggregatorFactory
private final String fnCombine;
private final JavaScriptAggregator.ScriptAggregator compiledScript;
@JsonCreator
@ -63,6 +63,12 @@ public class JavaScriptAggregatorFactory implements AggregatorFactory
@JsonProperty("fnCombine") final String fnCombine
)
{
Preconditions.checkNotNull(name, "Must have a valid, non null aggregator name");
Preconditions.checkNotNull(fieldNames, "Must have a valid, non null fieldNames");
Preconditions.checkNotNull(fnAggregate, "Must have a valid, non null fnAggregate");
Preconditions.checkNotNull(fnReset, "Must have a valid, non null fnReset");
Preconditions.checkNotNull(fnCombine, "Must have a valid, non null fnCombine");
this.name = name;
this.fieldNames = fieldNames;
@ -83,7 +89,8 @@ public class JavaScriptAggregatorFactory implements AggregatorFactory
new com.google.common.base.Function<String, ObjectColumnSelector>()
{
@Override
public ObjectColumnSelector apply(@Nullable String s) {
public ObjectColumnSelector apply(@Nullable String s)
{
return columnFactory.makeObjectColumnSelector(s);
}
}
@ -101,7 +108,8 @@ public class JavaScriptAggregatorFactory implements AggregatorFactory
new com.google.common.base.Function<String, ObjectColumnSelector>()
{
@Override
public ObjectColumnSelector apply(@Nullable String s) {
public ObjectColumnSelector apply(@Nullable String s)
{
return columnSelectorFactory.makeObjectColumnSelector(s);
}
}
@ -148,7 +156,8 @@ public class JavaScriptAggregatorFactory implements AggregatorFactory
}
@JsonProperty
public List<String> getFieldNames() {
public List<String> getFieldNames()
{
return fieldNames;
}
@ -182,7 +191,7 @@ public class JavaScriptAggregatorFactory implements AggregatorFactory
try {
MessageDigest md = MessageDigest.getInstance("SHA-1");
byte[] fieldNameBytes = Joiner.on(",").join(fieldNames).getBytes(Charsets.UTF_8);
byte[] sha1 = md.digest((fnAggregate+fnReset+fnCombine).getBytes(Charsets.UTF_8));
byte[] sha1 = md.digest((fnAggregate + fnReset + fnCombine).getBytes(Charsets.UTF_8));
return ByteBuffer.allocate(1 + fieldNameBytes.length + sha1.length)
.put(CACHE_TYPE_ID)
@ -225,7 +234,11 @@ public class JavaScriptAggregatorFactory implements AggregatorFactory
'}';
}
public static JavaScriptAggregator.ScriptAggregator compileScript(final String aggregate, final String reset, final String combine)
public static JavaScriptAggregator.ScriptAggregator compileScript(
final String aggregate,
final String reset,
final String combine
)
{
final ContextFactory contextFactory = ContextFactory.getGlobal();
Context context = contextFactory.enterContext();
@ -234,8 +247,8 @@ public class JavaScriptAggregatorFactory implements AggregatorFactory
final ScriptableObject scope = context.initStandardObjects();
final Function fnAggregate = context.compileFunction(scope, aggregate, "aggregate", 1, null);
final Function fnReset = context.compileFunction(scope, reset, "reset", 1, null);
final Function fnCombine = context.compileFunction(scope, combine, "combine", 1, null);
final Function fnReset = context.compileFunction(scope, reset, "reset", 1, null);
final Function fnCombine = context.compileFunction(scope, combine, "combine", 1, null);
Context.exit();
return new JavaScriptAggregator.ScriptAggregator()
@ -244,7 +257,9 @@ public class JavaScriptAggregatorFactory implements AggregatorFactory
public double aggregate(final double current, final ObjectColumnSelector[] selectorList)
{
Context cx = Context.getCurrentContext();
if(cx == null) cx = contextFactory.enterContext();
if (cx == null) {
cx = contextFactory.enterContext();
}
final int size = selectorList.length;
final Object[] args = new Object[size + 1];
@ -292,8 +307,9 @@ public class JavaScriptAggregatorFactory implements AggregatorFactory
}
@Override
public void close() {
if(Context.getCurrentContext() != null) {
public void close()
{
if (Context.getCurrentContext() != null) {
Context.exit();
}
}

4
common/src/main/java/com/metamx/druid/aggregation/LongSumAggregatorFactory.java
View File

@ -21,6 +21,7 @@ package com.metamx.druid.aggregation;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.common.base.Preconditions;
import com.google.common.primitives.Longs;
import com.metamx.druid.processing.ColumnSelectorFactory;
@ -44,6 +45,9 @@ public class LongSumAggregatorFactory implements AggregatorFactory
@JsonProperty("fieldName") final String fieldName
)
{
Preconditions.checkNotNull(name, "Must have a valid, nonl null aggregator name");
Preconditions.checkNotNull(fieldName, "Must have a valid, non null fieldName");
this.name = name;
this.fieldName = fieldName;
}

4
common/src/main/java/com/metamx/druid/aggregation/MaxAggregatorFactory.java
View File

@ -21,6 +21,7 @@ package com.metamx.druid.aggregation;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.common.base.Preconditions;
import com.google.common.primitives.Doubles;
import com.metamx.druid.processing.ColumnSelectorFactory;
@ -44,6 +45,9 @@ public class MaxAggregatorFactory implements AggregatorFactory
@JsonProperty("fieldName") final String fieldName
)
{
Preconditions.checkNotNull(name, "Must have a valid, non null aggregator name");
Preconditions.checkNotNull(fieldName, "Must have a valid, non null fieldName");
this.name = name;
this.fieldName = fieldName;
}

4
common/src/main/java/com/metamx/druid/aggregation/MinAggregatorFactory.java
View File

@ -21,6 +21,7 @@ package com.metamx.druid.aggregation;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.common.base.Preconditions;
import com.google.common.primitives.Doubles;
import com.metamx.druid.processing.ColumnSelectorFactory;
@ -44,6 +45,9 @@ public class MinAggregatorFactory implements AggregatorFactory
@JsonProperty("fieldName") final String fieldName
)
{
Preconditions.checkNotNull(name, "Must have a valid, non null aggregator name");
Preconditions.checkNotNull(fieldName, "Must have a valid, non null fieldName");
this.name = name;
this.fieldName = fieldName;
}

67
realtime/src/main/java/com/metamx/druid/realtime/plumber/RealtimePlumberSchool.java
View File

@ -55,6 +55,9 @@ import com.metamx.druid.query.QueryRunner;
import com.metamx.druid.query.QueryRunnerFactory;
import com.metamx.druid.query.QueryRunnerFactoryConglomerate;
import com.metamx.druid.query.QueryToolChest;
import com.metamx.druid.query.segment.SegmentDescriptor;
import com.metamx.druid.query.segment.SpecificSegmentQueryRunner;
import com.metamx.druid.query.segment.SpecificSegmentSpec;
import com.metamx.druid.realtime.FireDepartmentMetrics;
import com.metamx.druid.realtime.FireHydrant;
import com.metamx.druid.realtime.Schema;
@ -253,23 +256,32 @@ public class RealtimePlumberSchool implements PlumberSchool
new Function<Sink, QueryRunner<T>>()
{
@Override
public QueryRunner<T> apply(@Nullable Sink input)
public QueryRunner<T> apply(Sink input)
{
return new MetricsEmittingQueryRunner<T>(
emitter,
builderFn,
factory.mergeRunners(
EXEC,
Iterables.transform(
input,
new Function<FireHydrant, QueryRunner<T>>()
{
@Override
public QueryRunner<T> apply(@Nullable FireHydrant input)
{
return factory.createRunner(input.getSegment());
}
}
return new SpecificSegmentQueryRunner<T>(
new MetricsEmittingQueryRunner<T>(
emitter,
builderFn,
factory.mergeRunners(
EXEC,
Iterables.transform(
input,
new Function<FireHydrant, QueryRunner<T>>()
{
@Override
public QueryRunner<T> apply(FireHydrant input)
{
return factory.createRunner(input.getSegment());
}
}
)
)
),
new SpecificSegmentSpec(
new SegmentDescriptor(
input.getInterval(),
input.getSegment().getVersion(),
input.getSegment().getShardSpec().getPartitionNum()
)
)
);
@ -380,12 +392,16 @@ public class RealtimePlumberSchool implements PlumberSchool
//final File[] sinkFiles = sinkDir.listFiles();
// To avoid reading and listing of "merged" dir
final File[] sinkFiles = sinkDir.listFiles(new FilenameFilter() {
@Override
public boolean accept(File dir, String fileName) {
return !(Ints.tryParse(fileName) == null);
}
});
final File[] sinkFiles = sinkDir.listFiles(
new FilenameFilter()
{
@Override
public boolean accept(File dir, String fileName)
{
return !(Ints.tryParse(fileName) == null);
}
}
);
Arrays.sort(
sinkFiles,
new Comparator<File>()
@ -408,15 +424,14 @@ public class RealtimePlumberSchool implements PlumberSchool
List<FireHydrant> hydrants = Lists.newArrayList();
for (File segmentDir : sinkFiles) {
log.info("Loading previously persisted segment at [%s]", segmentDir);
// Although this has been tackled at start of this method.
// Just a doubly-check added to skip "merged" dir. from being added to hydrants
// If 100% sure that this is not needed, this check can be removed.
if(Ints.tryParse(segmentDir.getName()) == null)
{
if (Ints.tryParse(segmentDir.getName()) == null) {
continue;
}
hydrants.add(
new FireHydrant(
new QueryableIndexSegment(null, IndexIO.loadIndex(segmentDir)),

15
server/src/main/java/com/metamx/druid/master/DruidMasterBalancer.java
View File

@ -112,15 +112,16 @@ public class DruidMasterBalancer implements DruidMasterHelper
continue;
}
int iter = 0;
while (iter < maxSegmentsToMove) {
iter++;
for (int iter = 0; iter < maxSegmentsToMove; iter++) {
final BalancerSegmentHolder segmentToMove = analyzer.pickSegmentToMove(serverHolderList);
final ServerHolder holder = analyzer.findNewSegmentHomeBalance(segmentToMove.getSegment(), serverHolderList);
if (holder == null) {
continue;
if (params.getAvailableSegments().contains(segmentToMove.getSegment())) {
final ServerHolder holder = analyzer.findNewSegmentHomeBalance(segmentToMove.getSegment(), serverHolderList);
if (holder != null) {
moveSegment(segmentToMove, holder.getServer(), params);
}
}
moveSegment(segmentToMove, holder.getServer(), params);
}
final double initialTotalCost = analyzer.calculateInitialTotalCost(serverHolderList);

22
server/src/main/java/com/metamx/druid/master/rules/LoadRule.java
View File

@ -62,16 +62,18 @@ public abstract class LoadRule implements Rule
final DateTime referenceTimestamp = params.getBalancerReferenceTimestamp();
final BalancerCostAnalyzer analyzer = params.getBalancerCostAnalyzer(referenceTimestamp);
stats.accumulate(
assign(
params.getReplicationManager(),
expectedReplicants,
totalReplicants,
analyzer,
serverHolderList,
segment
)
);
if (params.getAvailableSegments().contains(segment)) {
stats.accumulate(
assign(
params.getReplicationManager(),
expectedReplicants,
totalReplicants,
analyzer,
serverHolderList,
segment
)
);
}
stats.accumulate(drop(expectedReplicants, clusterReplicants, segment, params));

4
server/src/main/java/com/metamx/druid/master/rules/Rule.java
View File

@ -35,7 +35,9 @@ import org.joda.time.DateTime;
@JsonSubTypes.Type(name = "loadByPeriod", value = PeriodLoadRule.class),
@JsonSubTypes.Type(name = "loadByInterval", value = IntervalLoadRule.class),
@JsonSubTypes.Type(name = "dropByPeriod", value = PeriodDropRule.class),
@JsonSubTypes.Type(name = "dropByInterval", value = IntervalDropRule.class)
@JsonSubTypes.Type(name = "dropByInterval", value = IntervalDropRule.class),
@JsonSubTypes.Type(name = "loadBySize", value = SizeLoadRule.class),
@JsonSubTypes.Type(name = "dropBySize", value = SizeDropRule.class)
})
public interface Rule

71
server/src/main/java/com/metamx/druid/master/rules/SizeDropRule.java Normal file
View File

@ -0,0 +1,71 @@
/*
* Druid - a distributed column store.
* Copyright (C) 2012 Metamarkets Group Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package com.metamx.druid.master.rules;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.common.collect.Range;
import com.metamx.druid.client.DataSegment;
import org.joda.time.DateTime;
/**
*/
public class SizeDropRule extends DropRule
{
private final long low;
private final long high;
private final Range<Long> range;
@JsonCreator
public SizeDropRule(
@JsonProperty("low") long low,
@JsonProperty("high") long high
)
{
this.low = low;
this.high = high;
this.range = Range.closedOpen(low, high);
}
@Override
@JsonProperty
public String getType()
{
return "dropBySize";
}
@JsonProperty
public long getLow()
{
return low;
}
@JsonProperty
public long getHigh()
{
return high;
}
@Override
public boolean appliesTo(DataSegment segment, DateTime referenceTimestamp)
{
return range.contains(segment.getSize());
}
}

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@ -0,0 +1,96 @@
/*
* Druid - a distributed column store.
* Copyright (C) 2012 Metamarkets Group Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package com.metamx.druid.master.rules;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.common.collect.Range;
import com.metamx.druid.client.DataSegment;
import org.joda.time.DateTime;
/**
*/
public class SizeLoadRule extends LoadRule
{
private final long low;
private final long high;
private final Integer replicants;
private final String tier;
private final Range<Long> range;
@JsonCreator
public SizeLoadRule(
@JsonProperty("low") long low,
@JsonProperty("high") long high,
@JsonProperty("replicants") Integer replicants,
@JsonProperty("tier") String tier
)
{
this.low = low;
this.high = high;
this.replicants = replicants;
this.tier = tier;
this.range = Range.closedOpen(low, high);
}
@Override
@JsonProperty
public int getReplicants()
{
return replicants;
}
@Override
public int getReplicants(String tier)
{
return (this.tier.equalsIgnoreCase(tier)) ? replicants : 0;
}
@Override
@JsonProperty
public String getTier()
{
return tier;
}
@Override
public String getType()
{
return "loadBySize";
}
@JsonProperty
public long getLow()
{
return low;
}
@JsonProperty
public long getHigh()
{
return high;
}
@Override
public boolean appliesTo(DataSegment segment, DateTime referenceTimestamp)
{
return range.contains(segment.getSize());
}
}