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Posted to commits@iotdb.apache.org by ja...@apache.org on 2021/01/27 03:52:28 UTC
[iotdb] branch draft_serial_flush_task updated: change to the same
code
This is an automated email from the ASF dual-hosted git repository.
jackietien pushed a commit to branch draft_serial_flush_task
in repository https://gitbox.apache.org/repos/asf/iotdb.git
The following commit(s) were added to refs/heads/draft_serial_flush_task by this push:
new 04fb695 change to the same code
04fb695 is described below
commit 04fb6951743bf53f96eff16352e540ba5f2450f0
Author: JackieTien97 <Ja...@foxmail.com>
AuthorDate: Wed Jan 27 11:52:07 2021 +0800
change to the same code
---
.../java/org/apache/iotdb/db/engine/flush/MemTableFlushTask.java | 2 ++
.../java/org/apache/iotdb/tsfile/write/chunk/ChunkWriterImpl.java | 7 ++++++-
.../java/org/apache/iotdb/tsfile/write/chunk/IChunkWriter.java | 3 ++-
3 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/server/src/main/java/org/apache/iotdb/db/engine/flush/MemTableFlushTask.java b/server/src/main/java/org/apache/iotdb/db/engine/flush/MemTableFlushTask.java
index 155110d..22360ff 100644
--- a/server/src/main/java/org/apache/iotdb/db/engine/flush/MemTableFlushTask.java
+++ b/server/src/main/java/org/apache/iotdb/db/engine/flush/MemTableFlushTask.java
@@ -96,6 +96,8 @@ public class MemTableFlushTask {
//start flush
IChunkWriter seriesWriter = new ChunkWriterImpl(desc);
writeOneSeries(tvList, seriesWriter, desc.getType());
+ seriesWriter.sealCurrentPage();
+ seriesWriter.clearPageWriter();
seriesWriter.writeToFileWriter(this.writer);
}
this.writer.setMinPlanIndex(memTable.getMinPlanIndex());
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 5977155..d441962 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
@@ -320,6 +320,7 @@ public class ChunkWriterImpl implements IChunkWriter {
// reinit this chunk writer
pageBuffer.reset();
+ numOfPages = 0;
this.statistics = Statistics.getStatsByType(measurementSchema.getType());
}
@@ -339,11 +340,15 @@ public class ChunkWriterImpl implements IChunkWriter {
@Override
public void sealCurrentPage() {
- if (pageWriter.getPointNumber() > 0) {
+ if (pageWriter != null && pageWriter.getPointNumber() > 0) {
writePageToPageBuffer();
}
}
+ public void clearPageWriter() {
+ pageWriter = null;
+ }
+
@Override
public int getNumOfPages() {
return numOfPages;
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/IChunkWriter.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/IChunkWriter.java
index 6f1ab46..38e1119 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/IChunkWriter.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/IChunkWriter.java
@@ -19,7 +19,6 @@
package org.apache.iotdb.tsfile.write.chunk;
import java.io.IOException;
-import java.math.BigDecimal;
import java.nio.ByteBuffer;
import org.apache.iotdb.tsfile.exception.write.PageException;
import org.apache.iotdb.tsfile.file.header.PageHeader;
@@ -116,6 +115,8 @@ public interface IChunkWriter {
*/
void sealCurrentPage();
+ void clearPageWriter();
+
int getNumOfPages();
TSDataType getDataType();