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Posted to commits@iotdb.apache.org by qi...@apache.org on 2019/06/28 09:06:50 UTC
[incubator-iotdb] 02/03: fix chunkbuffer bug
This is an automated email from the ASF dual-hosted git repository.
qiaojialin pushed a commit to branch feature_async_close_tsfile
in repository https://gitbox.apache.org/repos/asf/incubator-iotdb.git
commit b94b795d72ca8eb3fe54de8f2e2bfa55c72e831e
Author: qiaojialin <64...@qq.com>
AuthorDate: Fri Jun 28 17:04:10 2019 +0800
fix chunkbuffer bug
---
.../iotdb/db/engine/filenodeV2/TsFileResourceV2.java | 2 +-
.../engine/filenodeV2/UnsealedTsFileProcessorV2.java | 17 +++++++++--------
.../db/engine/memtable/MemTableFlushTaskV2.java | 6 +++---
.../iotdb/db/query/control/FileReaderManager.java | 5 +++--
.../db/query/factory/SeriesReaderFactoryImpl.java | 6 +++---
.../apache/iotdb/db/utils/datastructure/TVList.java | 5 ++++-
.../db/engine/memtable/PrimitiveMemTableTest.java | 3 +--
.../db/query/reader/sequence/SeqDataReaderTest.java | 4 ++--
.../query/reader/sequence/UnsealedSeqReaderTest.java | 6 +++---
.../unsequence/UnseqSeriesReaderByTimestampTest.java | 20 ++++++++++----------
.../iotdb/db/utils/datastructure/LongTVListTest.java | 2 +-
.../iotdb/tsfile/write/chunk/ChunkWriterImpl.java | 4 ++++
12 files changed, 44 insertions(+), 36 deletions(-)
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/filenodeV2/TsFileResourceV2.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/filenodeV2/TsFileResourceV2.java
index acbf8c2..a60ccf5 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/filenodeV2/TsFileResourceV2.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/filenodeV2/TsFileResourceV2.java
@@ -60,7 +60,7 @@ public class TsFileResourceV2 {
private transient ModificationFile modFile;
- private boolean closed = false;
+ private volatile boolean closed = false;
/**
* Chunk metadata list of unsealed tsfile
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/filenodeV2/UnsealedTsFileProcessorV2.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/filenodeV2/UnsealedTsFileProcessorV2.java
index b519e9e..81c3cf0 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/filenodeV2/UnsealedTsFileProcessorV2.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/filenodeV2/UnsealedTsFileProcessorV2.java
@@ -358,14 +358,15 @@ public class UnsealedTsFileProcessorV2 {
tsFileResource.serialize();
writer.endFile(fileSchema);
- //FIXME suppose the flush-thread-pool is 2.
- // then if a flush task and a endFile task are running in the same time
- // and the endFile task is faster, then writer == null, and the flush task will throw nullpointer
- // exception. Add "synchronized" keyword on both flush and endFile may solve the issue.
- writer = null;
-
- // remove this processor from Closing list in FileNodeProcessor
- closeUnsealedFileCallback.accept(this);
+
+ flushQueryLock.writeLock().lock();
+ try {
+ // remove this processor from Closing list in FileNodeProcessor, mark the TsFileResource closed, no need writer anymore
+ closeUnsealedFileCallback.accept(this);
+ writer = null;
+ } finally {
+ flushQueryLock.writeLock().unlock();
+ }
// delete the restore for this bufferwrite processor
if (LOGGER.isInfoEnabled()) {
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/MemTableFlushTaskV2.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/MemTableFlushTaskV2.java
index fc96fcf..af54162 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/MemTableFlushTaskV2.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/MemTableFlushTaskV2.java
@@ -152,8 +152,6 @@ public class MemTableFlushTaskV2 {
LOGGER.error("Storage group {} memtable {}, encoding task error.", storageGroup,
memTable.getVersion(), e);
throw new RuntimeException(e);
- } finally {
- FlushTaskPool.getInstance().putBack(chunkBuffer);
}
memSerializeTime += System.currentTimeMillis() - starTime;
}
@@ -200,7 +198,9 @@ public class MemTableFlushTaskV2 {
if (ioMessage instanceof String) {
tsFileIoWriter.startChunkGroup((String) ioMessage);
} else if (ioMessage instanceof IChunkWriter) {
- ((IChunkWriter) ioMessage).writeToFileWriter(tsFileIoWriter);
+ ChunkWriterImpl writer = (ChunkWriterImpl) ioMessage;
+ writer.writeToFileWriter(tsFileIoWriter);
+ FlushTaskPool.getInstance().putBack(writer.getChunkBuffer());
} else {
ChunkGroupIoTask endGroupTask = (ChunkGroupIoTask) ioMessage;
tsFileIoWriter.endChunkGroup(endGroupTask.version);
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/control/FileReaderManager.java b/iotdb/src/main/java/org/apache/iotdb/db/query/control/FileReaderManager.java
index cd33c91..2790a89 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/control/FileReaderManager.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/control/FileReaderManager.java
@@ -101,9 +101,9 @@ public class FileReaderManager implements IService {
Map<String, AtomicInteger> refMap) {
for (Map.Entry<String, TsFileSequenceReader> entry : readerMap.entrySet()) {
TsFileSequenceReader reader = entry.getValue();
- int referenceNum = refMap.get(entry.getKey()).get();
+ AtomicInteger refAtom = refMap.get(entry.getKey());
- if (referenceNum == 0) {
+ if (refAtom != null && refAtom.get() == 0) {
try {
reader.close();
} catch (IOException e) {
@@ -151,6 +151,7 @@ public class FileReaderManager implements IService {
* of a reader equals zero, the reader can be closed and removed.
*/
public synchronized void increaseFileReaderReference(String filePath, boolean isClosed) {
+ // TODO : this should be called in get()
if (!isClosed) {
unclosedReferenceMap.computeIfAbsent(filePath, k -> new AtomicInteger()).getAndIncrement();
} else {
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/factory/SeriesReaderFactoryImpl.java b/iotdb/src/main/java/org/apache/iotdb/db/query/factory/SeriesReaderFactoryImpl.java
index b6c1949..127b06f 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/factory/SeriesReaderFactoryImpl.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/factory/SeriesReaderFactoryImpl.java
@@ -209,10 +209,10 @@ public class SeriesReaderFactoryImpl implements ISeriesReaderFactory {
queryDataSource.getSeqResources(), context);
mergeReaderByTimestamp.addReaderWithPriority(tsFilesReader, 1);
- // reader for unsequence data
- SeriesReaderByTimestamp unseqMergeReader = createUnseqSeriesReaderByTimestamp(path,
+ // reader for unSequence data
+ SeriesReaderByTimestamp unSeqMergeReader = createUnseqSeriesReaderByTimestamp(path,
queryDataSource.getUnseqResources(), context);
- mergeReaderByTimestamp.addReaderWithPriority(unseqMergeReader, 2);
+ mergeReaderByTimestamp.addReaderWithPriority(unSeqMergeReader, 2);
readersOfSelectedSeries.add(mergeReaderByTimestamp);
}
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/utils/datastructure/TVList.java b/iotdb/src/main/java/org/apache/iotdb/db/utils/datastructure/TVList.java
index cc7880f..90779ff 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/utils/datastructure/TVList.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/utils/datastructure/TVList.java
@@ -39,7 +39,7 @@ public abstract class TVList {
protected long[] sortedTimestamps;
protected boolean sorted = false;
- private long timeOffset = -1;
+ private long timeOffset = Long.MIN_VALUE;
protected long pivotTime;
@@ -164,6 +164,9 @@ public abstract class TVList {
}
protected void sort(int lo, int hi) {
+ if (lo == hi) {
+ return;
+ }
if (hi - lo <= SMALL_ARRAY_LENGTH) {
int initRunLen = countRunAndMakeAscending(lo, hi);
binarySort(lo, hi, lo + initRunLen);
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/memtable/PrimitiveMemTableTest.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/memtable/PrimitiveMemTableTest.java
index 12cce43..5fc66f9 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/memtable/PrimitiveMemTableTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/memtable/PrimitiveMemTableTest.java
@@ -91,7 +91,6 @@ public class PrimitiveMemTableTest {
private void write(IMemTable memTable, String deviceId, String sensorId, TSDataType dataType,
int size) {
- int dataSize = 100;
TimeValuePair[] ret = genTimeValuePair(size, dataType);
for (int i = 0; i < ret.length; i++) {
@@ -133,7 +132,7 @@ public class PrimitiveMemTableTest {
IMemTable memTable = new PrimitiveMemTable();
memTable.setTVListAllocator(new TVListAllocator());
String deviceId = "d1";
- int size = 1000000;
+ int size = 100;
write(memTable, deviceId, "s1", TSDataType.FLOAT, size);
}
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/query/reader/sequence/SeqDataReaderTest.java b/iotdb/src/test/java/org/apache/iotdb/db/query/reader/sequence/SeqDataReaderTest.java
index 9731b4c..61f36f7 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/query/reader/sequence/SeqDataReaderTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/query/reader/sequence/SeqDataReaderTest.java
@@ -78,9 +78,9 @@ public class SeqDataReaderTest extends ReaderTestHelper {
}
for (int j = 1010; j <= 1019; j++) {
insertOneRecord(j, j);
- fileNodeProcessorV2.getWorkSequenceTsFileProcessor().asyncFlush();
+ fileNodeProcessorV2.getWorkSequenceTsFileProcessor().syncFlush();
}
- fileNodeProcessorV2.asyncForceClose();
+ fileNodeProcessorV2.syncCloseFileNode();
for (int j = 1020; j <= 3019; j++) {
insertOneRecord(j, j);
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/query/reader/sequence/UnsealedSeqReaderTest.java b/iotdb/src/test/java/org/apache/iotdb/db/query/reader/sequence/UnsealedSeqReaderTest.java
index ffc80d4..f40138c 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/query/reader/sequence/UnsealedSeqReaderTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/query/reader/sequence/UnsealedSeqReaderTest.java
@@ -74,15 +74,15 @@ public class UnsealedSeqReaderTest extends ReaderTestHelper {
for (int j = 1000; j <= 1009; j++) {
insertOneRecord(j, j);
}
- fileNodeProcessorV2.getWorkSequenceTsFileProcessor().asyncFlush();
+ fileNodeProcessorV2.getWorkSequenceTsFileProcessor().syncFlush();
for (int j = 1010; j <= 1019; j++) {
insertOneRecord(j, j);
}
- fileNodeProcessorV2.getWorkSequenceTsFileProcessor().asyncFlush();
+ fileNodeProcessorV2.getWorkSequenceTsFileProcessor().syncFlush();
for (int j = 1020; j <= 3019; j++) {
insertOneRecord(j, j);
}
- fileNodeProcessorV2.getWorkSequenceTsFileProcessor().asyncFlush();
+ fileNodeProcessorV2.getWorkSequenceTsFileProcessor().syncFlush();
for (int j = 3020; j <= 3029; j++) {
insertOneRecord(j, j);
}
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/query/reader/unsequence/UnseqSeriesReaderByTimestampTest.java b/iotdb/src/test/java/org/apache/iotdb/db/query/reader/unsequence/UnseqSeriesReaderByTimestampTest.java
index 7ba5b63..78dfdbf 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/query/reader/unsequence/UnseqSeriesReaderByTimestampTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/query/reader/unsequence/UnseqSeriesReaderByTimestampTest.java
@@ -65,16 +65,16 @@ public class UnseqSeriesReaderByTimestampTest {
FileNodeManagerV2.getInstance().asyncFlushAndSealAllFiles();
}
- for (int j = 10; j >= 1; j--) {
- TSRecord record = new TSRecord(j, deviceId);
- record.addTuple(DataPoint.getDataPoint(TSDataType.INT32, measurementId, String.valueOf(j)));
- FileNodeManagerV2.getInstance().insert(new InsertPlan(record));
- FileNodeManagerV2.getInstance().asyncFlushAndSealAllFiles();
- }
+// for (int j = 10; j >= 1; j--) {
+// TSRecord record = new TSRecord(j, deviceId);
+// record.addTuple(DataPoint.getDataPoint(TSDataType.INT32, measurementId, String.valueOf(j)));
+// FileNodeManagerV2.getInstance().insert(new InsertPlan(record));
+// FileNodeManagerV2.getInstance().asyncFlushAndSealAllFiles();
+// }
TSRecord record = new TSRecord(2, deviceId);
record.addTuple(DataPoint.getDataPoint(TSDataType.INT32, measurementId, String.valueOf(100)));
FileNodeManagerV2.getInstance().insert(new InsertPlan(record));
- FileNodeManagerV2.getInstance().asyncFlushAndSealAllFiles();
+// FileNodeManagerV2.getInstance().asyncFlushAndSealAllFiles();
// query
List<Path> paths = new ArrayList<>();
@@ -86,11 +86,11 @@ public class UnseqSeriesReaderByTimestampTest {
for (long time = 1; time <= 10; time++) {
// NOTE that the timestamps should be in be in strictly increasing order.
- int value = (Integer) reader.getValueInTimestamp(time);
+ Integer value = (Integer) reader.getValueInTimestamp(time);
if (time == 2) {
- Assert.assertEquals(100, value);
+ Assert.assertEquals(100, (int) value);
} else {
- Assert.assertEquals(time, value);
+ Assert.assertEquals(time, (int) value);
}
}
}
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/utils/datastructure/LongTVListTest.java b/iotdb/src/test/java/org/apache/iotdb/db/utils/datastructure/LongTVListTest.java
index ee65a55..f87d28c 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/utils/datastructure/LongTVListTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/utils/datastructure/LongTVListTest.java
@@ -45,7 +45,7 @@ public class LongTVListTest {
Random random = new Random();
LongTVList tvList = new LongTVList();
List<TimeValuePair> inputs = new ArrayList<>();
- for (long i = 0; i < 10000; i++) {
+ for (long i = 0; i < 0; i++) {
long time = random.nextInt(10000);
long value = random.nextInt(10000);
tvList.putLong(time, value);
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/ChunkWriterImpl.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/ChunkWriterImpl.java
index 1aa9932..3f64409 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/ChunkWriterImpl.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/ChunkWriterImpl.java
@@ -289,4 +289,8 @@ public class ChunkWriterImpl implements IChunkWriter {
public int getNumOfPages() {
return chunkBuffer.getNumOfPages();
}
+
+ public ChunkBuffer getChunkBuffer() {
+ return chunkBuffer;
+ }
}