Merge branch 'stable-3.1' into stable-3.2
* stable-3.1 (29 commits):
Fix BatchMetaDataUpdate to not close passed in object reader
fixup!: Disable auto flushing during offline Lucene indexing
Add missing "--migrate-draft-to" flag on init doc
Fix buggy Index-Interactive Executor
reindex: Use thread count specified on command line
Disable auto flushing during offline Lucene indexing
Avoid creating loose objects in Schema 146
Avoid creating loose objects in schema 167
Fix schemas to use the appropriate ObjectInserter
Update schemas 115,119 to create a desired initial commit
Create initial commit in schema 146 only when necessary
Avoid creating loose objects in schemas 115 and 119
Parallelize inserts into accountPatchReviewDb in schema 127
Avoid listing repositories multiple times during schema migrations
Parallelize Schema 108
Avoid creating loose objects in Schema 154
Parallelize Schema 130 and 131
Avoid creating loose objects in Schema 144
Avoid creating loose objects in Schema 139
Avoid creating loose objects in Schema 124
...
Change-Id: If6ac780c8bd6bb34319c440ad5b6bd5476a3c281
diff --git a/Documentation/config-gerrit.txt b/Documentation/config-gerrit.txt
index 0c0626e..b964040 100644
--- a/Documentation/config-gerrit.txt
+++ b/Documentation/config-gerrit.txt
@@ -2979,7 +2979,7 @@
[[index.batchThreads]]index.batchThreads::
+
Number of threads to use for indexing in background operations, such as
-online schema upgrades, and also for offline reindexing.
+online schema upgrades, and also the default for offline reindexing.
+
If not set or set to a zero, defaults to the number of logical CPUs as returned
by the JVM. If set to a negative value, defaults to a direct executor.
@@ -3182,6 +3182,11 @@
+
Defaults to true (throttling enabled).
+During offline reindexing, setting ramBufferSize greater than the size
+of index (size of specific index folder under <site_dir>/index) and
+maxBufferedDocs as -1 avoids unnecessary flushes and triggers only a
+single flush at the end of the process.
+
Sample Lucene index configuration:
----
[index]
diff --git a/Documentation/pgm-reindex.txt b/Documentation/pgm-reindex.txt
index 5167277..5392564 100644
--- a/Documentation/pgm-reindex.txt
+++ b/Documentation/pgm-reindex.txt
@@ -20,7 +20,8 @@
== OPTIONS
--threads::
- Number of threads to use for indexing.
+ Number of threads to use for indexing. Default is
+ link:config-gerrit.html#index.batchThreads[index.batchThreads]
--changes-schema-version::
Schema version to reindex; default is most recent version.
diff --git a/java/com/google/gerrit/acceptance/GerritServer.java b/java/com/google/gerrit/acceptance/GerritServer.java
index 986f549..5369e36 100644
--- a/java/com/google/gerrit/acceptance/GerritServer.java
+++ b/java/com/google/gerrit/acceptance/GerritServer.java
@@ -45,6 +45,7 @@
import com.google.gerrit.server.config.GerritServerConfig;
import com.google.gerrit.server.config.SitePath;
import com.google.gerrit.server.git.receive.AsyncReceiveCommits;
+import com.google.gerrit.server.index.AutoFlush;
import com.google.gerrit.server.schema.JdbcAccountPatchReviewStore;
import com.google.gerrit.server.ssh.NoSshModule;
import com.google.gerrit.server.util.ReplicaUtil;
@@ -419,7 +420,8 @@
"accountPatchReviewDb", null, "url", JdbcAccountPatchReviewStore.TEST_IN_MEMORY_URL);
daemon.setEnableHttpd(desc.httpd());
daemon.setLuceneModule(
- LuceneIndexModule.singleVersionAllLatest(0, ReplicaUtil.isReplica(baseConfig)));
+ LuceneIndexModule.singleVersionAllLatest(
+ 0, ReplicaUtil.isReplica(baseConfig), AutoFlush.ENABLED));
daemon.setDatabaseForTesting(
ImmutableList.of(
new InMemoryTestingDatabaseModule(cfg, site, inMemoryRepoManager),
diff --git a/java/com/google/gerrit/httpd/init/WebAppInitializer.java b/java/com/google/gerrit/httpd/init/WebAppInitializer.java
index 05992d4..03a244b 100644
--- a/java/com/google/gerrit/httpd/init/WebAppInitializer.java
+++ b/java/com/google/gerrit/httpd/init/WebAppInitializer.java
@@ -76,6 +76,7 @@
import com.google.gerrit.server.git.SearchingChangeCacheImpl;
import com.google.gerrit.server.git.SystemReaderInstaller;
import com.google.gerrit.server.git.WorkQueue;
+import com.google.gerrit.server.index.AutoFlush;
import com.google.gerrit.server.index.IndexModule;
import com.google.gerrit.server.index.OnlineUpgrader;
import com.google.gerrit.server.index.VersionManager;
@@ -353,7 +354,7 @@
private Module createIndexModule() {
if (indexType.isLucene()) {
- return LuceneIndexModule.latestVersion(false);
+ return LuceneIndexModule.latestVersion(false, AutoFlush.ENABLED);
} else if (indexType.isElasticsearch()) {
return ElasticIndexModule.latestVersion(false);
} else {
diff --git a/java/com/google/gerrit/lucene/AbstractLuceneIndex.java b/java/com/google/gerrit/lucene/AbstractLuceneIndex.java
index 5392ab4..4e76d9b 100644
--- a/java/com/google/gerrit/lucene/AbstractLuceneIndex.java
+++ b/java/com/google/gerrit/lucene/AbstractLuceneIndex.java
@@ -44,6 +44,7 @@
import com.google.gerrit.index.query.ListResultSet;
import com.google.gerrit.index.query.ResultSet;
import com.google.gerrit.server.config.SitePaths;
+import com.google.gerrit.server.index.AutoFlush;
import com.google.gerrit.server.index.IndexUtils;
import com.google.gerrit.server.logging.LoggingContextAwareExecutorService;
import com.google.gerrit.server.logging.LoggingContextAwareScheduledExecutorService;
@@ -105,6 +106,7 @@
private final ReferenceManager<IndexSearcher> searcherManager;
private final ControlledRealTimeReopenThread<IndexSearcher> reopenThread;
private final Set<NrtFuture> notDoneNrtFutures;
+ private final AutoFlush autoFlush;
private ScheduledExecutorService autoCommitExecutor;
AbstractLuceneIndex(
@@ -115,13 +117,15 @@
ImmutableSet<String> skipFields,
String subIndex,
GerritIndexWriterConfig writerConfig,
- SearcherFactory searcherFactory)
+ SearcherFactory searcherFactory,
+ AutoFlush autoFlush)
throws IOException {
this.schema = schema;
this.sitePaths = sitePaths;
this.dir = dir;
this.name = name;
this.skipFields = skipFields;
+ this.autoFlush = autoFlush;
String index = Joiner.on('_').skipNulls().join(name, subIndex);
long commitPeriod = writerConfig.getCommitWithinMs();
@@ -215,7 +219,9 @@
}
});
- reopenThread.start();
+ if (autoFlush.equals(AutoFlush.ENABLED)) {
+ reopenThread.start();
+ }
}
@Override
@@ -484,6 +490,9 @@
}
private boolean isGenAvailableNowForCurrentSearcher() {
+ if (autoFlush.equals(AutoFlush.DISABLED)) {
+ return true;
+ }
try {
return reopenThread.waitForGeneration(gen, 0);
} catch (InterruptedException e) {
diff --git a/java/com/google/gerrit/lucene/ChangeSubIndex.java b/java/com/google/gerrit/lucene/ChangeSubIndex.java
index e51a91a7..60edcab 100644
--- a/java/com/google/gerrit/lucene/ChangeSubIndex.java
+++ b/java/com/google/gerrit/lucene/ChangeSubIndex.java
@@ -31,6 +31,7 @@
import com.google.gerrit.index.query.Predicate;
import com.google.gerrit.index.query.QueryParseException;
import com.google.gerrit.server.config.SitePaths;
+import com.google.gerrit.server.index.AutoFlush;
import com.google.gerrit.server.index.change.ChangeField;
import com.google.gerrit.server.index.change.ChangeIndex;
import com.google.gerrit.server.query.change.ChangeData;
@@ -51,7 +52,8 @@
Path path,
ImmutableSet<String> skipFields,
GerritIndexWriterConfig writerConfig,
- SearcherFactory searcherFactory)
+ SearcherFactory searcherFactory,
+ AutoFlush autoFlush)
throws IOException {
this(
schema,
@@ -60,7 +62,8 @@
path.getFileName().toString(),
skipFields,
writerConfig,
- searcherFactory);
+ searcherFactory,
+ autoFlush);
}
ChangeSubIndex(
@@ -70,9 +73,19 @@
String subIndex,
ImmutableSet<String> skipFields,
GerritIndexWriterConfig writerConfig,
- SearcherFactory searcherFactory)
+ SearcherFactory searcherFactory,
+ AutoFlush autoFlush)
throws IOException {
- super(schema, sitePaths, dir, NAME, skipFields, subIndex, writerConfig, searcherFactory);
+ super(
+ schema,
+ sitePaths,
+ dir,
+ NAME,
+ skipFields,
+ subIndex,
+ writerConfig,
+ searcherFactory,
+ autoFlush);
}
@Override
diff --git a/java/com/google/gerrit/lucene/LuceneAccountIndex.java b/java/com/google/gerrit/lucene/LuceneAccountIndex.java
index 242cffd..95c6f18 100644
--- a/java/com/google/gerrit/lucene/LuceneAccountIndex.java
+++ b/java/com/google/gerrit/lucene/LuceneAccountIndex.java
@@ -34,6 +34,7 @@
import com.google.gerrit.server.account.AccountState;
import com.google.gerrit.server.config.GerritServerConfig;
import com.google.gerrit.server.config.SitePaths;
+import com.google.gerrit.server.index.AutoFlush;
import com.google.gerrit.server.index.IndexUtils;
import com.google.gerrit.server.index.account.AccountIndex;
import com.google.inject.Inject;
@@ -94,7 +95,8 @@
@GerritServerConfig Config cfg,
SitePaths sitePaths,
Provider<AccountCache> accountCache,
- @Assisted Schema<AccountState> schema)
+ @Assisted Schema<AccountState> schema,
+ AutoFlush autoFlush)
throws IOException {
super(
schema,
@@ -104,7 +106,8 @@
ImmutableSet.of(),
null,
new GerritIndexWriterConfig(cfg, ACCOUNTS),
- new SearcherFactory());
+ new SearcherFactory(),
+ autoFlush);
this.accountCache = accountCache;
indexWriterConfig = new GerritIndexWriterConfig(cfg, ACCOUNTS);
diff --git a/java/com/google/gerrit/lucene/LuceneChangeIndex.java b/java/com/google/gerrit/lucene/LuceneChangeIndex.java
index bf1a166..286815e 100644
--- a/java/com/google/gerrit/lucene/LuceneChangeIndex.java
+++ b/java/com/google/gerrit/lucene/LuceneChangeIndex.java
@@ -59,6 +59,7 @@
import com.google.gerrit.server.change.MergeabilityComputationBehavior;
import com.google.gerrit.server.config.GerritServerConfig;
import com.google.gerrit.server.config.SitePaths;
+import com.google.gerrit.server.index.AutoFlush;
import com.google.gerrit.server.index.IndexExecutor;
import com.google.gerrit.server.index.IndexUtils;
import com.google.gerrit.server.index.change.ChangeField;
@@ -179,7 +180,8 @@
SitePaths sitePaths,
@IndexExecutor(INTERACTIVE) ListeningExecutorService executor,
ChangeData.Factory changeDataFactory,
- @Assisted Schema<ChangeData> schema)
+ @Assisted Schema<ChangeData> schema,
+ AutoFlush autoFlush)
throws IOException {
this.executor = executor;
this.changeDataFactory = changeDataFactory;
@@ -204,7 +206,8 @@
"ramOpen",
skipFields,
openConfig,
- searcherFactory);
+ searcherFactory,
+ autoFlush);
closedIndex =
new ChangeSubIndex(
schema,
@@ -213,7 +216,8 @@
"ramClosed",
skipFields,
closedConfig,
- searcherFactory);
+ searcherFactory,
+ autoFlush);
} else {
Path dir = LuceneVersionManager.getDir(sitePaths, CHANGES, schema);
openIndex =
@@ -223,7 +227,8 @@
dir.resolve(CHANGES_OPEN),
skipFields,
openConfig,
- searcherFactory);
+ searcherFactory,
+ autoFlush);
closedIndex =
new ChangeSubIndex(
schema,
@@ -231,7 +236,8 @@
dir.resolve(CHANGES_CLOSED),
skipFields,
closedConfig,
- searcherFactory);
+ searcherFactory,
+ autoFlush);
}
idField = this.schema.useLegacyNumericFields() ? LEGACY_ID : LEGACY_ID_STR;
diff --git a/java/com/google/gerrit/lucene/LuceneGroupIndex.java b/java/com/google/gerrit/lucene/LuceneGroupIndex.java
index 3d1d471..b61d0fb 100644
--- a/java/com/google/gerrit/lucene/LuceneGroupIndex.java
+++ b/java/com/google/gerrit/lucene/LuceneGroupIndex.java
@@ -31,6 +31,7 @@
import com.google.gerrit.server.config.GerritServerConfig;
import com.google.gerrit.server.config.SitePaths;
import com.google.gerrit.server.group.InternalGroup;
+import com.google.gerrit.server.index.AutoFlush;
import com.google.gerrit.server.index.IndexUtils;
import com.google.gerrit.server.index.group.GroupIndex;
import com.google.inject.Inject;
@@ -84,7 +85,8 @@
@GerritServerConfig Config cfg,
SitePaths sitePaths,
Provider<GroupCache> groupCache,
- @Assisted Schema<InternalGroup> schema)
+ @Assisted Schema<InternalGroup> schema,
+ AutoFlush autoFlush)
throws IOException {
super(
schema,
@@ -94,7 +96,8 @@
ImmutableSet.of(),
null,
new GerritIndexWriterConfig(cfg, GROUPS),
- new SearcherFactory());
+ new SearcherFactory(),
+ autoFlush);
this.groupCache = groupCache;
indexWriterConfig = new GerritIndexWriterConfig(cfg, GROUPS);
diff --git a/java/com/google/gerrit/lucene/LuceneIndexModule.java b/java/com/google/gerrit/lucene/LuceneIndexModule.java
index 302a2da..16fd87f 100644
--- a/java/com/google/gerrit/lucene/LuceneIndexModule.java
+++ b/java/com/google/gerrit/lucene/LuceneIndexModule.java
@@ -14,11 +14,13 @@
package com.google.gerrit.lucene;
+import com.google.common.annotations.VisibleForTesting;
import com.google.common.collect.ImmutableMap;
import com.google.gerrit.index.IndexConfig;
import com.google.gerrit.index.project.ProjectIndex;
import com.google.gerrit.server.config.GerritServerConfig;
import com.google.gerrit.server.index.AbstractIndexModule;
+import com.google.gerrit.server.index.AutoFlush;
import com.google.gerrit.server.index.VersionManager;
import com.google.gerrit.server.index.account.AccountIndex;
import com.google.gerrit.server.index.change.ChangeIndex;
@@ -28,25 +30,42 @@
import org.eclipse.jgit.lib.Config;
public class LuceneIndexModule extends AbstractIndexModule {
- public static LuceneIndexModule singleVersionAllLatest(int threads, boolean slave) {
- return new LuceneIndexModule(ImmutableMap.of(), threads, slave);
+ private final AutoFlush autoFlush;
+
+ public static LuceneIndexModule singleVersionAllLatest(
+ int threads, boolean slave, AutoFlush autoFlush) {
+ return new LuceneIndexModule(ImmutableMap.of(), threads, slave, autoFlush);
+ }
+
+ @VisibleForTesting
+ public static LuceneIndexModule singleVersionWithExplicitVersions(
+ Map<String, Integer> versions, int threads, boolean slave) {
+ return new LuceneIndexModule(versions, threads, slave, AutoFlush.ENABLED);
}
public static LuceneIndexModule singleVersionWithExplicitVersions(
- Map<String, Integer> versions, int threads, boolean slave) {
- return new LuceneIndexModule(versions, threads, slave);
+ Map<String, Integer> versions, int threads, boolean slave, AutoFlush autoFlush) {
+ return new LuceneIndexModule(versions, threads, slave, autoFlush);
}
- public static LuceneIndexModule latestVersion(boolean slave) {
- return new LuceneIndexModule(null, 0, slave);
+ public static LuceneIndexModule latestVersion(boolean slave, AutoFlush autoFlush) {
+ return new LuceneIndexModule(null, 0, slave, autoFlush);
}
static boolean isInMemoryTest(Config cfg) {
return cfg.getBoolean("index", "lucene", "testInmemory", false);
}
- private LuceneIndexModule(Map<String, Integer> singleVersions, int threads, boolean slave) {
+ private LuceneIndexModule(
+ Map<String, Integer> singleVersions, int threads, boolean slave, AutoFlush autoFlush) {
super(singleVersions, threads, slave);
+ this.autoFlush = autoFlush;
+ }
+
+ @Override
+ protected void configure() {
+ super.configure();
+ bind(AutoFlush.class).toInstance(autoFlush);
}
@Override
diff --git a/java/com/google/gerrit/lucene/LuceneProjectIndex.java b/java/com/google/gerrit/lucene/LuceneProjectIndex.java
index 2a418ca..ef6e0fd 100644
--- a/java/com/google/gerrit/lucene/LuceneProjectIndex.java
+++ b/java/com/google/gerrit/lucene/LuceneProjectIndex.java
@@ -31,6 +31,7 @@
import com.google.gerrit.index.query.QueryParseException;
import com.google.gerrit.server.config.GerritServerConfig;
import com.google.gerrit.server.config.SitePaths;
+import com.google.gerrit.server.index.AutoFlush;
import com.google.gerrit.server.index.IndexUtils;
import com.google.gerrit.server.project.ProjectCache;
import com.google.gerrit.server.project.ProjectState;
@@ -84,7 +85,8 @@
@GerritServerConfig Config cfg,
SitePaths sitePaths,
Provider<ProjectCache> projectCache,
- @Assisted Schema<ProjectData> schema)
+ @Assisted Schema<ProjectData> schema,
+ AutoFlush autoFlush)
throws IOException {
super(
schema,
@@ -94,7 +96,8 @@
ImmutableSet.of(),
null,
new GerritIndexWriterConfig(cfg, PROJECTS),
- new SearcherFactory());
+ new SearcherFactory(),
+ autoFlush);
this.projectCache = projectCache;
indexWriterConfig = new GerritIndexWriterConfig(cfg, PROJECTS);
diff --git a/java/com/google/gerrit/pgm/Daemon.java b/java/com/google/gerrit/pgm/Daemon.java
index 0eaf75d..692e2e0 100644
--- a/java/com/google/gerrit/pgm/Daemon.java
+++ b/java/com/google/gerrit/pgm/Daemon.java
@@ -84,6 +84,7 @@
import com.google.gerrit.server.git.SearchingChangeCacheImpl;
import com.google.gerrit.server.git.WorkQueue;
import com.google.gerrit.server.group.PeriodicGroupIndexer;
+import com.google.gerrit.server.index.AutoFlush;
import com.google.gerrit.server.index.IndexModule;
import com.google.gerrit.server.index.OnlineUpgrader;
import com.google.gerrit.server.index.VersionManager;
@@ -513,7 +514,7 @@
return luceneModule;
}
if (indexType.isLucene()) {
- return LuceneIndexModule.latestVersion(replica);
+ return LuceneIndexModule.latestVersion(replica, AutoFlush.ENABLED);
}
if (indexType.isElasticsearch()) {
return ElasticIndexModule.latestVersion(replica);
diff --git a/java/com/google/gerrit/pgm/Reindex.java b/java/com/google/gerrit/pgm/Reindex.java
index 966801f..923406e 100644
--- a/java/com/google/gerrit/pgm/Reindex.java
+++ b/java/com/google/gerrit/pgm/Reindex.java
@@ -31,6 +31,7 @@
import com.google.gerrit.pgm.util.SiteProgram;
import com.google.gerrit.server.change.ChangeResource;
import com.google.gerrit.server.config.GerritServerConfig;
+import com.google.gerrit.server.index.AutoFlush;
import com.google.gerrit.server.index.IndexModule;
import com.google.gerrit.server.index.change.ChangeSchemaDefinitions;
import com.google.gerrit.server.plugins.PluginGuiceEnvironment;
@@ -52,8 +53,10 @@
import org.kohsuke.args4j.Option;
public class Reindex extends SiteProgram {
- @Option(name = "--threads", usage = "Number of threads to use for indexing")
- private int threads = Runtime.getRuntime().availableProcessors();
+ @Option(
+ name = "--threads",
+ usage = "Number of threads to use for indexing. Default is index.batchThreads from config.")
+ private int threads = 0;
@Option(
name = "--changes-schema-version",
@@ -150,7 +153,9 @@
Module indexModule;
IndexType indexType = IndexModule.getIndexType(dbInjector);
if (indexType.isLucene()) {
- indexModule = LuceneIndexModule.singleVersionWithExplicitVersions(versions, threads, replica);
+ indexModule =
+ LuceneIndexModule.singleVersionWithExplicitVersions(
+ versions, threads, replica, AutoFlush.DISABLED);
} else if (indexType.isElasticsearch()) {
indexModule =
ElasticIndexModule.singleVersionWithExplicitVersions(versions, threads, replica);
diff --git a/java/com/google/gerrit/pgm/init/index/lucene/LuceneIndexModuleOnInit.java b/java/com/google/gerrit/pgm/init/index/lucene/LuceneIndexModuleOnInit.java
index 12a44dc..54618a1 100644
--- a/java/com/google/gerrit/pgm/init/index/lucene/LuceneIndexModuleOnInit.java
+++ b/java/com/google/gerrit/pgm/init/index/lucene/LuceneIndexModuleOnInit.java
@@ -17,6 +17,7 @@
import com.google.gerrit.lucene.LuceneAccountIndex;
import com.google.gerrit.lucene.LuceneGroupIndex;
import com.google.gerrit.pgm.init.index.IndexModuleOnInit;
+import com.google.gerrit.server.index.AutoFlush;
import com.google.gerrit.server.index.account.AccountIndex;
import com.google.gerrit.server.index.group.GroupIndex;
import com.google.inject.AbstractModule;
@@ -36,5 +37,7 @@
.build(GroupIndex.Factory.class));
install(new IndexModuleOnInit());
+
+ bind(AutoFlush.class).toInstance(AutoFlush.DISABLED);
}
}
diff --git a/java/com/google/gerrit/server/git/meta/VersionedMetaData.java b/java/com/google/gerrit/server/git/meta/VersionedMetaData.java
index feb038a..c0f11f9 100644
--- a/java/com/google/gerrit/server/git/meta/VersionedMetaData.java
+++ b/java/com/google/gerrit/server/git/meta/VersionedMetaData.java
@@ -217,6 +217,27 @@
}
/**
+ * Update this metadata branch, recording a new commit on its reference. This method mutates its
+ * receiver.
+ *
+ * @param update helper information to define the update that will occur.
+ * @param objInserter Shared object inserter.
+ * @param objReader Shared object reader.
+ * @param revWalk Shared rev walk.
+ * @return the commit that was created
+ * @throws IOException if there is a storage problem and the update cannot be executed as
+ * requested or if it failed because of a concurrent update to the same reference
+ */
+ public RevCommit commit(
+ MetaDataUpdate update, ObjectInserter objInserter, ObjectReader objReader, RevWalk revWalk)
+ throws IOException {
+ try (BatchMetaDataUpdate batch = openUpdate(update, objInserter, objReader, revWalk)) {
+ batch.write(update.getCommitBuilder());
+ return batch.commit();
+ }
+ }
+
+ /**
* Creates a new commit and a new ref based on this commit. This method mutates its receiver.
*
* @param update helper information to define the update that will occur.
@@ -263,11 +284,39 @@
* @throws IOException if the update failed.
*/
public BatchMetaDataUpdate openUpdate(MetaDataUpdate update) throws IOException {
+ return openUpdate(update, null, null, null);
+ }
+
+ /**
+ * Open a batch of updates to the same metadata ref.
+ *
+ * <p>This allows making multiple commits to a single metadata ref, at the end of which is a
+ * single ref update. For batching together updates to multiple refs (each consisting of one or
+ * more commits against their respective refs), create the {@link MetaDataUpdate} with a {@link
+ * BatchRefUpdate}.
+ *
+ * <p>A ref update produced by this {@link BatchMetaDataUpdate} is only committed if there is no
+ * associated {@link BatchRefUpdate}. As a result, the configured ref updated event is not fired
+ * if there is an associated batch.
+ *
+ * <p>If object inserter, reader and revwalk are provided, then the updates are not flushed,
+ * allowing callers the flexibility to flush only once after several updates.
+ *
+ * @param update helper info about the update.
+ * @param objInserter Shared object inserter.
+ * @param objReader Shared object reader.
+ * @param revWalk Shared rev walk.
+ * @throws IOException if the update failed.
+ */
+ public BatchMetaDataUpdate openUpdate(
+ MetaDataUpdate update, ObjectInserter objInserter, ObjectReader objReader, RevWalk revWalk)
+ throws IOException {
final Repository db = update.getRepository();
- inserter = db.newObjectInserter();
- reader = inserter.newReader();
- final RevWalk rw = new RevWalk(reader);
+ inserter = objInserter == null ? db.newObjectInserter() : objInserter;
+ reader = objReader == null ? inserter.newReader() : objReader;
+ final RevWalk rw = revWalk == null ? new RevWalk(reader) : revWalk;
+
final RevTree tree = revision != null ? rw.parseTree(revision) : null;
newTree = readTree(tree);
return new BatchMetaDataUpdate() {
@@ -380,12 +429,12 @@
newTree = null;
rw.close();
- if (inserter != null) {
+ if (objInserter == null && inserter != null) {
inserter.close();
inserter = null;
}
- if (reader != null) {
+ if (objReader == null && reader != null) {
reader.close();
reader = null;
}
@@ -396,7 +445,9 @@
BatchRefUpdate bru = update.getBatch();
if (bru != null) {
bru.addCommand(new ReceiveCommand(oldId.toObjectId(), newId.toObjectId(), refName));
- inserter.flush();
+ if (objInserter == null) {
+ inserter.flush();
+ }
revision = rw.parseCommit(newId);
return revision;
}
diff --git a/java/com/google/gerrit/server/index/AutoFlush.java b/java/com/google/gerrit/server/index/AutoFlush.java
new file mode 100644
index 0000000..3d13110
--- /dev/null
+++ b/java/com/google/gerrit/server/index/AutoFlush.java
@@ -0,0 +1,20 @@
+// Copyright (C) 2021 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.gerrit.server.index;
+
+public enum AutoFlush {
+ ENABLED,
+ DISABLED
+}
diff --git a/java/com/google/gerrit/server/index/IndexModule.java b/java/com/google/gerrit/server/index/IndexModule.java
index 6db00f5..17665c0 100644
--- a/java/com/google/gerrit/server/index/IndexModule.java
+++ b/java/com/google/gerrit/server/index/IndexModule.java
@@ -208,13 +208,14 @@
return interactiveExecutor;
}
int threads = this.threads;
- if (threads < 0) {
- return MoreExecutors.newDirectExecutorService();
- } else if (threads == 0) {
+ if (threads == 0) {
threads =
config.getInt(
"index", null, "threads", Runtime.getRuntime().availableProcessors() / 2 + 1);
}
+ if (threads < 0) {
+ return MoreExecutors.newDirectExecutorService();
+ }
return MoreExecutors.listeningDecorator(
workQueue.createQueue(threads, "Index-Interactive", true));
}
@@ -227,11 +228,13 @@
if (batchExecutor != null) {
return batchExecutor;
}
- int threads = config.getInt("index", null, "batchThreads", 0);
+ int threads = this.threads;
+ if (threads == 0) {
+ threads =
+ config.getInt("index", null, "batchThreads", Runtime.getRuntime().availableProcessors());
+ }
if (threads < 0) {
return MoreExecutors.newDirectExecutorService();
- } else if (threads == 0) {
- threads = Runtime.getRuntime().availableProcessors();
}
return MoreExecutors.listeningDecorator(workQueue.createQueue(threads, "Index-Batch", true));
}
diff --git a/java/com/google/gerrit/server/mail/send/OutgoingEmail.java b/java/com/google/gerrit/server/mail/send/OutgoingEmail.java
index b35bbec..8c56469 100644
--- a/java/com/google/gerrit/server/mail/send/OutgoingEmail.java
+++ b/java/com/google/gerrit/server/mail/send/OutgoingEmail.java
@@ -404,9 +404,13 @@
* username. If no username is set, this function returns null.
*
* @param accountId user to fetch.
- * @return name/email of account, username, or null if unset.
+ * @return name/email of account, username, or null if unset or the accountId is null.
*/
- protected String getUserNameEmailFor(Account.Id accountId) {
+ protected String getUserNameEmailFor(@Nullable Account.Id accountId) {
+ if (accountId == null) {
+ return null;
+ }
+
Optional<AccountState> accountState = args.accountCache.get(accountId);
if (!accountState.isPresent()) {
return null;
