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HBASE-19027 Honor the CellComparator of ScanInfo in scanning over a store

This commit is contained in:
Chia-Ping Tsai 2017-11-04 23:09:14 +08:00
parent f8c58930aa
commit b464c1eb35
5 changed files with 24 additions and 17 deletions
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14
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/StoreScanner.java
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@ -47,6 +47,7 @@ import org.apache.hadoop.hbase.regionserver.handler.ParallelSeekHandler;
import org.apache.hadoop.hbase.regionserver.querymatcher.CompactionScanQueryMatcher;
import org.apache.hadoop.hbase.regionserver.querymatcher.ScanQueryMatcher;
import org.apache.hadoop.hbase.regionserver.querymatcher.UserScanQueryMatcher;
import org.apache.hadoop.hbase.shaded.com.google.common.base.Preconditions;
import org.apache.hadoop.hbase.util.CollectionUtils;
import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
import org.apache.yetus.audience.InterfaceAudience;
@ -67,6 +68,7 @@ public class StoreScanner extends NonReversedNonLazyKeyValueScanner
private static final Log LOG = LogFactory.getLog(StoreScanner.class);
// In unit tests, the store could be null
protected final HStore store;
private final CellComparator comparator;
private ScanQueryMatcher matcher;
protected KeyValueHeap heap;
private boolean cacheBlocks;
@ -164,6 +166,7 @@ public class StoreScanner extends NonReversedNonLazyKeyValueScanner
this.readPt = readPt;
this.store = store;
this.cacheBlocks = cacheBlocks;
this.comparator = Preconditions.checkNotNull(scanInfo.getComparator());
get = scan.isGetScan();
explicitColumnQuery = numColumns > 0;
this.scan = scan;
@ -252,7 +255,7 @@ public class StoreScanner extends NonReversedNonLazyKeyValueScanner
this.storeOffset = scan.getRowOffsetPerColumnFamily();
addCurrentScanners(scanners);
// Combine all seeked scanners with a heap
resetKVHeap(scanners, store.getComparator());
resetKVHeap(scanners, comparator);
} catch (IOException e) {
// remove us from the HStore#changedReaderObservers here or we'll have no chance to
// and might cause memory leak
@ -311,7 +314,7 @@ public class StoreScanner extends NonReversedNonLazyKeyValueScanner
seekScanners(scanners, matcher.getStartKey(), false, parallelSeekEnabled);
addCurrentScanners(scanners);
// Combine all seeked scanners with a heap
resetKVHeap(scanners, store.getComparator());
resetKVHeap(scanners, comparator);
}
private void seekAllScanner(ScanInfo scanInfo, List<? extends KeyValueScanner> scanners)
@ -319,7 +322,7 @@ public class StoreScanner extends NonReversedNonLazyKeyValueScanner
// Seek all scanners to the initial key
seekScanners(scanners, matcher.getStartKey(), false, parallelSeekEnabled);
addCurrentScanners(scanners);
resetKVHeap(scanners, scanInfo.getComparator());
resetKVHeap(scanners, comparator);
}
// For mob compaction only as we do not have a Store instance when doing mob compaction.
@ -543,9 +546,6 @@ public class StoreScanner extends NonReversedNonLazyKeyValueScanner
scannerContext.clearProgress();
}
// Only do a sanity-check if store and comparator are available.
CellComparator comparator = store != null ? store.getComparator() : null;
int count = 0;
long totalBytesRead = 0;
@ -997,7 +997,7 @@ public class StoreScanner extends NonReversedNonLazyKeyValueScanner
newCurrentScanners = new ArrayList<>(fileScanners.size() + memstoreScanners.size());
newCurrentScanners.addAll(fileScanners);
newCurrentScanners.addAll(memstoreScanners);
newHeap = new KeyValueHeap(newCurrentScanners, store.getComparator());
newHeap = new KeyValueHeap(newCurrentScanners, comparator);
} catch (Exception e) {
LOG.warn("failed to switch to stream read", e);
if (fileScanners != null) {

2
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.java
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@ -402,7 +402,7 @@ public abstract class ScanQueryMatcher implements ShipperListener {
columnTracker = (NewVersionBehaviorTracker) deleteTracker;
} else if (columns == null || columns.size() == 0) {
columnTracker = new ScanWildcardColumnTracker(scanInfo.getMinVersions(), maxVersionToCheck,
oldestUnexpiredTS);
oldestUnexpiredTS, scanInfo.getComparator());
} else {
columnTracker = new ExplicitColumnTracker(columns, scanInfo.getMinVersions(),
maxVersionToCheck, oldestUnexpiredTS);

10
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/querymatcher/ScanWildcardColumnTracker.java
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@ -21,7 +21,7 @@ package org.apache.hadoop.hbase.regionserver.querymatcher;
import java.io.IOException;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.CellComparatorImpl;
import org.apache.hadoop.hbase.CellComparator;
import org.apache.hadoop.hbase.CellUtil;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.PrivateCellUtil;
@ -49,16 +49,20 @@ public class ScanWildcardColumnTracker implements ColumnTracker {
private long oldestStamp;
private final CellComparator comparator;
/**
* Return maxVersions of every row.
* @param minVersion Minimum number of versions to keep
* @param maxVersion Maximum number of versions to return
* @param oldestUnexpiredTS oldest timestamp that has not expired according to the TTL.
* @param comparator used to compare the qualifier of cell
*/
public ScanWildcardColumnTracker(int minVersion, int maxVersion, long oldestUnexpiredTS) {
public ScanWildcardColumnTracker(int minVersion, int maxVersion,
long oldestUnexpiredTS, CellComparator comparator) {
this.maxVersions = maxVersion;
this.minVersions = minVersion;
this.oldestStamp = oldestUnexpiredTS;
this.comparator = comparator;
}
/**
@ -85,7 +89,7 @@ public class ScanWildcardColumnTracker implements ColumnTracker {
// do not count a delete marker as another version
return checkVersion(type, timestamp);
}
int cmp = CellComparatorImpl.COMPARATOR.compareQualifiers(cell, this.columnCell);
int cmp = comparator.compareQualifiers(cell, this.columnCell);
if (cmp == 0) {
if (ignoreCount) {
return ScanQueryMatcher.MatchCode.INCLUDE;

3
hbase-server/src/main/java/org/apache/hadoop/hbase/security/visibility/VisibilityScanDeleteTracker.java
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@ -29,7 +29,6 @@ import org.apache.yetus.audience.InterfaceAudience;
import org.apache.hadoop.hbase.regionserver.querymatcher.ScanDeleteTracker;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.CellComparator;
import org.apache.hadoop.hbase.CellComparatorImpl;
import org.apache.hadoop.hbase.CellUtil;
import org.apache.hadoop.hbase.KeyValue;
import org.apache.hadoop.hbase.KeyValue.Type;
@ -247,7 +246,7 @@ public class VisibilityScanDeleteTracker extends ScanDeleteTracker {
}
}
if (deleteCell != null) {
int ret = CellComparatorImpl.COMPARATOR.compareQualifiers(cell, deleteCell);
int ret = comparator.compareQualifiers(cell, deleteCell);
if (ret == 0) {
if (deleteType == KeyValue.Type.DeleteColumn.getCode()) {
if (visibilityTagsDeleteColumns != null) {

10
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/querymatcher/TestScanWildcardColumnTracker.java
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@ -26,6 +26,7 @@ import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.apache.hadoop.hbase.CellComparatorImpl;
import org.apache.hadoop.hbase.KeyValue;
import org.apache.hadoop.hbase.regionserver.querymatcher.ScanQueryMatcher.MatchCode;
import org.apache.hadoop.hbase.testclassification.RegionServerTests;
@ -41,7 +42,8 @@ public class TestScanWildcardColumnTracker {
@Test
public void testCheckColumnOk() throws IOException {
ScanWildcardColumnTracker tracker = new ScanWildcardColumnTracker(0, VERSIONS, Long.MIN_VALUE);
ScanWildcardColumnTracker tracker = new ScanWildcardColumnTracker(
0, VERSIONS, Long.MIN_VALUE, CellComparatorImpl.COMPARATOR);
// Create list of qualifiers
List<byte[]> qualifiers = new ArrayList<>(4);
@ -73,7 +75,8 @@ public class TestScanWildcardColumnTracker {
@Test
public void testCheckColumnEnforceVersions() throws IOException {
ScanWildcardColumnTracker tracker = new ScanWildcardColumnTracker(0, VERSIONS, Long.MIN_VALUE);
ScanWildcardColumnTracker tracker = new ScanWildcardColumnTracker(
0, VERSIONS, Long.MIN_VALUE, CellComparatorImpl.COMPARATOR);
// Create list of qualifiers
List<byte[]> qualifiers = new ArrayList<>(4);
@ -106,7 +109,8 @@ public class TestScanWildcardColumnTracker {
@Test
public void DisabledTestCheckColumnWrongOrder() {
ScanWildcardColumnTracker tracker = new ScanWildcardColumnTracker(0, VERSIONS, Long.MIN_VALUE);
ScanWildcardColumnTracker tracker = new ScanWildcardColumnTracker(
0, VERSIONS, Long.MIN_VALUE, CellComparatorImpl.COMPARATOR);
// Create list of qualifiers
List<byte[]> qualifiers = new ArrayList<>(2);