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reuse version key in an actual operation 

no need to compute the hash several times
This commit is contained in:
Shay Banon 2013-05-15 00:27:48 +02:00
parent 1fb78c53b8
commit 4d357660ca
1 changed files with 11 additions and 9 deletions
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20
src/main/java/org/elasticsearch/index/engine/robin/RobinEngine.java
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@ -384,8 +384,9 @@ public class RobinEngine extends AbstractIndexShardComponent implements Engine {
private void innerCreate(Create create, IndexWriter writer) throws IOException {
synchronized (dirtyLock(create.uid())) {
UidField uidField = create.uidField();
HashedBytesRef versionKey = versionKey(create.uid());
final long currentVersion;
VersionValue versionValue = versionMap.get(versionKey(create.uid()));
VersionValue versionValue = versionMap.get(versionKey);
if (versionValue == null) {
currentVersion = loadCurrentVersionFromIndex(create.uid());
} else {
@ -471,7 +472,7 @@ public class RobinEngine extends AbstractIndexShardComponent implements Engine {
}
Translog.Location translogLocation = translog.add(new Translog.Create(create));
versionMap.put(versionKey(create.uid()), new VersionValue(updatedVersion, false, threadPool.estimatedTimeInMillis(), translogLocation));
versionMap.put(versionKey, new VersionValue(updatedVersion, false, threadPool.estimatedTimeInMillis(), translogLocation));
indexingService.postCreateUnderLock(create);
}
@ -508,8 +509,9 @@ public class RobinEngine extends AbstractIndexShardComponent implements Engine {
private void innerIndex(Index index, IndexWriter writer) throws IOException {
synchronized (dirtyLock(index.uid())) {
UidField uidField = index.uidField();
HashedBytesRef versionKey = versionKey(index.uid());
final long currentVersion;
VersionValue versionValue = versionMap.get(versionKey(index.uid()));
VersionValue versionValue = versionMap.get(versionKey);
if (versionValue == null) {
currentVersion = loadCurrentVersionFromIndex(index.uid());
} else {
@ -585,7 +587,7 @@ public class RobinEngine extends AbstractIndexShardComponent implements Engine {
}
Translog.Location translogLocation = translog.add(new Translog.Index(index));
versionMap.put(versionKey(index.uid()), new VersionValue(updatedVersion, false, threadPool.estimatedTimeInMillis(), translogLocation));
versionMap.put(versionKey, new VersionValue(updatedVersion, false, threadPool.estimatedTimeInMillis(), translogLocation));
indexingService.postIndexUnderLock(index);
}
@ -621,7 +623,8 @@ public class RobinEngine extends AbstractIndexShardComponent implements Engine {
private void innerDelete(Delete delete, IndexWriter writer) throws IOException {
synchronized (dirtyLock(delete.uid())) {
final long currentVersion;
VersionValue versionValue = versionMap.get(versionKey(delete.uid()));
HashedBytesRef versionKey = versionKey(delete.uid());
VersionValue versionValue = versionMap.get(versionKey);
if (versionValue == null) {
currentVersion = loadCurrentVersionFromIndex(delete.uid());
} else {
@ -678,17 +681,17 @@ public class RobinEngine extends AbstractIndexShardComponent implements Engine {
// doc does not exists and no prior deletes
delete.version(updatedVersion).notFound(true);
Translog.Location translogLocation = translog.add(new Translog.Delete(delete));
versionMap.put(versionKey(delete.uid()), new VersionValue(updatedVersion, true, threadPool.estimatedTimeInMillis(), translogLocation));
versionMap.put(versionKey, new VersionValue(updatedVersion, true, threadPool.estimatedTimeInMillis(), translogLocation));
} else if (versionValue != null && versionValue.delete()) {
// a "delete on delete", in this case, we still increment the version, log it, and return that version
delete.version(updatedVersion).notFound(true);
Translog.Location translogLocation = translog.add(new Translog.Delete(delete));
versionMap.put(versionKey(delete.uid()), new VersionValue(updatedVersion, true, threadPool.estimatedTimeInMillis(), translogLocation));
versionMap.put(versionKey, new VersionValue(updatedVersion, true, threadPool.estimatedTimeInMillis(), translogLocation));
} else {
delete.version(updatedVersion);
writer.deleteDocuments(delete.uid());
Translog.Location translogLocation = translog.add(new Translog.Delete(delete));
versionMap.put(versionKey(delete.uid()), new VersionValue(updatedVersion, true, threadPool.estimatedTimeInMillis(), translogLocation));
versionMap.put(versionKey, new VersionValue(updatedVersion, true, threadPool.estimatedTimeInMillis(), translogLocation));
}
indexingService.postDeleteUnderLock(delete);
@ -865,7 +868,6 @@ public class RobinEngine extends AbstractIndexShardComponent implements Engine {
rwl.writeLock().unlock();
}
} else if (flush.type() == Flush.Type.COMMIT_TRANSLOG) {
boolean makeTransientCurrent = false;
rwl.readLock().lock();
try {
if (indexWriter == null) {