HBASE-26434 Do compact when all L0 files are expired (#3830)

Signed-off-by: Duo Zhang <zhangduo@apache.org>
This commit is contained in:
Xiaolin Ha 2022-02-15 22:08:52 +08:00 committed by sunhelly
parent 3f315d7e93
commit c8ccbde51a
2 changed files with 64 additions and 14 deletions

View File

@ -129,7 +129,8 @@ public class StripeCompactionPolicy extends CompactionPolicy {
List<HStoreFile> l0Files = si.getLevel0Files();
// See if we need to make new stripes.
boolean shouldCompactL0 = this.config.getLevel0MinFiles() <= l0Files.size();
boolean shouldCompactL0 =
this.config.getLevel0MinFiles() <= l0Files.size() || allL0FilesExpired(si);
if (stripeCount == 0) {
if (!shouldCompactL0) {
return null; // nothing to do.
@ -167,7 +168,7 @@ public class StripeCompactionPolicy extends CompactionPolicy {
return filesCompacting.isEmpty()
&& (StoreUtils.hasReferences(si.getStorefiles())
|| (si.getLevel0Files().size() >= this.config.getLevel0MinFiles())
|| needsSingleStripeCompaction(si) || hasExpiredStripes(si));
|| needsSingleStripeCompaction(si) || hasExpiredStripes(si) || allL0FilesExpired(si));
}
@Override
@ -368,7 +369,25 @@ public class StripeCompactionPolicy extends CompactionPolicy {
return result;
}
private boolean isStripeExpired(ImmutableList<HStoreFile> storeFiles) {
protected boolean hasExpiredStripes(StripeInformationProvider si) {
// Find if exists a stripe where all files have expired, if any.
ArrayList<ImmutableList<HStoreFile>> stripes = si.getStripes();
for (ImmutableList<HStoreFile> stripe : stripes) {
if (allFilesExpired(stripe)) {
return true;
}
}
return false;
}
protected boolean allL0FilesExpired(StripeInformationProvider si) {
return allFilesExpired(si.getLevel0Files());
}
private boolean allFilesExpired(final List<HStoreFile> storeFiles) {
if (storeFiles == null || storeFiles.isEmpty()) {
return false;
}
long cfTtl = this.storeConfigInfo.getStoreFileTtl();
if (cfTtl == Long.MAX_VALUE) {
return false; // minversion might be set, cannot delete old files
@ -384,17 +403,6 @@ public class StripeCompactionPolicy extends CompactionPolicy {
return true;
}
protected boolean hasExpiredStripes(StripeInformationProvider si) {
// Find if exists a stripe where all files have expired, if any.
ArrayList<ImmutableList<HStoreFile>> stripes = si.getStripes();
for (ImmutableList<HStoreFile> stripe : stripes) {
if (isStripeExpired(stripe)) {
return true;
}
}
return false;
}
private static long getTotalKvCount(final Collection<HStoreFile> candidates) {
long totalSize = 0;
for (HStoreFile storeFile : candidates) {

View File

@ -18,6 +18,7 @@
package org.apache.hadoop.hbase.regionserver.compactions;
import static org.apache.hadoop.hbase.regionserver.StripeStoreConfig.MAX_FILES_KEY;
import static org.apache.hadoop.hbase.regionserver.StripeStoreConfig.MIN_FILES_KEY;
import static org.apache.hadoop.hbase.regionserver.StripeStoreFileManager.OPEN_KEY;
import static org.apache.hadoop.hbase.regionserver.compactions.CompactionConfiguration.HBASE_HSTORE_COMPACTION_MAX_SIZE_KEY;
import static org.junit.Assert.assertEquals;
@ -39,6 +40,7 @@ import static org.mockito.Mockito.only;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
@ -46,6 +48,7 @@ import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.OptionalLong;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.Cell;
@ -88,6 +91,7 @@ import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameter;
import org.junit.runners.Parameterized.Parameters;
import org.mockito.ArgumentMatcher;
import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableList;
import org.apache.hbase.thirdparty.com.google.common.collect.Lists;
@ -536,6 +540,44 @@ public class TestStripeCompactionPolicy {
true);
}
@Test
public void testCheckExpiredL0Compaction() throws Exception {
Configuration conf = HBaseConfiguration.create();
int minL0 = 100;
conf.setInt(StripeStoreConfig.MIN_FILES_L0_KEY, minL0);
conf.setInt(MIN_FILES_KEY, 4);
ManualEnvironmentEdge edge = new ManualEnvironmentEdge();
long now = defaultTtl + 2;
edge.setValue(now);
EnvironmentEdgeManager.injectEdge(edge);
HStoreFile expiredFile = createFile(10), notExpiredFile = createFile(10);
when(expiredFile.getReader().getMaxTimestamp()).thenReturn(now - defaultTtl - 1);
when(notExpiredFile.getReader().getMaxTimestamp()).thenReturn(now - defaultTtl + 1);
List<HStoreFile> expired = Lists.newArrayList(expiredFile, expiredFile);
List<HStoreFile> mixed = Lists.newArrayList(expiredFile, notExpiredFile);
StripeCompactionPolicy policy =
createPolicy(conf, defaultSplitSize, defaultSplitCount, defaultInitialCount, true);
// Merge expired if there are eligible stripes.
StripeCompactionPolicy.StripeInformationProvider si =
createStripesWithFiles(null, new ArrayList<>(), mixed);
assertFalse(policy.needsCompactions(si, al()));
List<HStoreFile> largeMixed = new ArrayList<>();
for (int i = 0; i < minL0 - 1; i++) {
largeMixed.add(i % 2 == 0 ? notExpiredFile : expiredFile);
}
si = createStripesWithFiles(null, new ArrayList<>(), largeMixed);
assertFalse(policy.needsCompactions(si, al()));
si = createStripesWithFiles(null, new ArrayList<>(), expired);
assertFalse(policy.needsSingleStripeCompaction(si));
assertFalse(policy.hasExpiredStripes(si));
assertTrue(policy.allL0FilesExpired(si));
assertTrue(policy.needsCompactions(si, al()));
}
/********* HELPER METHODS ************/
private static StripeCompactionPolicy createPolicy(
Configuration conf) throws Exception {