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Posted to reviews@iotdb.apache.org by GitBox <gi...@apache.org> on 2021/01/07 09:50:56 UTC

[GitHub] [iotdb] wshao08 opened a new pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

wshao08 opened a new pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445


   


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[GitHub] [iotdb] SilverNarcissus commented on a change in pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
SilverNarcissus commented on a change in pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#discussion_r555537914



##########
File path: server/src/main/java/org/apache/iotdb/db/utils/QueryUtils.java
##########
@@ -48,7 +48,7 @@ public static void modifyChunkMetaData(List<ChunkMetadata> chunkMetaData,
     for (int metaIndex = 0; metaIndex < chunkMetaData.size(); metaIndex++) {
       ChunkMetadata metaData = chunkMetaData.get(metaIndex);
       for (Modification modification : modifications) {
-        if (modification.getVersionNum() > metaData.getVersion()) {
+        if (modification.getFileOffset() > metaData.getOffsetOfChunkHeader()) {

Review comment:
       You can also check sonar code smell. There is an unused parameter.




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[GitHub] [iotdb] wshao08 commented on a change in pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
wshao08 commented on a change in pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#discussion_r556221627



##########
File path: server/src/main/java/org/apache/iotdb/db/engine/flush/MemTableFlushTask.java
##########
@@ -67,8 +67,7 @@ public MemTableFlushTask(IMemTable memTable, RestorableTsFileIOWriter writer, St
     this.storageGroup = storageGroup;
     this.encodingTaskFuture = subTaskPoolManager.submit(encodingTask);
     this.ioTaskFuture = subTaskPoolManager.submit(ioTask);
-    logger.debug("flush task of Storage group {} memtable {} is created ",
-        storageGroup, memTable.getVersion());
+    logger.debug("flush task of Storage group {} memtable is created ", storageGroup);

Review comment:
       Fixed




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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-756019238


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[GitHub] [iotdb] wshao08 commented on a change in pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
wshao08 commented on a change in pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#discussion_r555504318



##########
File path: server/src/main/java/org/apache/iotdb/db/utils/QueryUtils.java
##########
@@ -48,7 +48,7 @@ public static void modifyChunkMetaData(List<ChunkMetadata> chunkMetaData,
     for (int metaIndex = 0; metaIndex < chunkMetaData.size(); metaIndex++) {
       ChunkMetadata metaData = chunkMetaData.get(metaIndex);
       for (Modification modification : modifications) {
-        if (modification.getVersionNum() > metaData.getVersion()) {
+        if (modification.getFileOffset() > metaData.getOffsetOfChunkHeader()) {

Review comment:
       1. metaData.getOffsetOfChunkHeader() marks the byte offset of this chunk header.
   2. modification.getFileOffset() returns the offset of any chunk in the file after the chunk has been flushed. 
   So I consider it could be guaranteed that if any chunk is successfully flushed, offset in (2) > (1).
   Thats why I didn't add the equality condition.
   
   




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[GitHub] [iotdb] wshao08 commented on a change in pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
wshao08 commented on a change in pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#discussion_r556221550



##########
File path: server/src/main/java/org/apache/iotdb/db/utils/QueryUtils.java
##########
@@ -48,7 +48,7 @@ public static void modifyChunkMetaData(List<ChunkMetadata> chunkMetaData,
     for (int metaIndex = 0; metaIndex < chunkMetaData.size(); metaIndex++) {
       ChunkMetadata metaData = chunkMetaData.get(metaIndex);
       for (Modification modification : modifications) {
-        if (modification.getVersionNum() > metaData.getVersion()) {
+        if (modification.getFileOffset() > metaData.getOffsetOfChunkHeader()) {

Review comment:
       Thanks, I'll add some more test scenarios.




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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-757612606


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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-756668730


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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] removed a comment on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-759175779


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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-760079272


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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

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URL: https://github.com/apache/iotdb/pull/2445#issuecomment-756087344


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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
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URL: https://github.com/apache/iotdb/pull/2445#issuecomment-759226493


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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

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[GitHub] [iotdb] SilverNarcissus commented on a change in pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
SilverNarcissus commented on a change in pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#discussion_r555536637



##########
File path: server/src/main/java/org/apache/iotdb/db/utils/QueryUtils.java
##########
@@ -48,7 +48,7 @@ public static void modifyChunkMetaData(List<ChunkMetadata> chunkMetaData,
     for (int metaIndex = 0; metaIndex < chunkMetaData.size(); metaIndex++) {
       ChunkMetadata metaData = chunkMetaData.get(metaIndex);
       for (Modification modification : modifications) {
-        if (modification.getVersionNum() > metaData.getVersion()) {
+        if (modification.getFileOffset() > metaData.getOffsetOfChunkHeader()) {

Review comment:
       Reasonable! So just add some comment here and add test which I said above.




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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-756066941


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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] removed a comment on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-760052453


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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] removed a comment on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-757597767


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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-756729277


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[GitHub] [iotdb] HTHou merged pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
HTHou merged pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445


   


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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] removed a comment on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-756087344


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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-759175779


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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-760052453


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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
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URL: https://github.com/apache/iotdb/pull/2445#issuecomment-758352279


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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] removed a comment on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-757590066


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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
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URL: https://github.com/apache/iotdb/pull/2445#issuecomment-760071677


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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] removed a comment on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-756019238


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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-757597767


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[GitHub] [iotdb] HTHou commented on a change in pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
HTHou commented on a change in pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#discussion_r555481211



##########
File path: server/src/main/java/org/apache/iotdb/db/engine/flush/MemTableFlushTask.java
##########
@@ -97,8 +96,8 @@ public void syncFlushMemTable()
     }
     noMoreEncodingTask = true;
     logger.debug(
-        "Storage group {} memtable {}, flushing into disk: data sort time cost {} ms.",
-        storageGroup, memTable.getVersion(), sortTime);
+        "Storage group {} memtable flushing into disk: data sort time cost {} ms.",

Review comment:
       Same as above.

##########
File path: server/src/main/java/org/apache/iotdb/db/engine/flush/MemTableFlushTask.java
##########
@@ -180,8 +177,8 @@ public void run() {
           try {
             TimeUnit.MILLISECONDS.sleep(10);
           } catch (@SuppressWarnings("squid:S2142") InterruptedException e) {
-            logger.error("Storage group {} memtable {}, encoding task is interrupted.",
-                storageGroup, memTable.getVersion(), e);
+            logger.error("Storage group {} memtable encoding task is interrupted.",

Review comment:
       Same as above.

##########
File path: server/src/main/java/org/apache/iotdb/db/engine/flush/MemTableFlushTask.java
##########
@@ -241,15 +237,14 @@ public void run() {
             this.writer.endChunkGroup();
           }
         } catch (IOException e) {
-          logger.error("Storage group {} memtable {}, io task meets error.", storageGroup,
-              memTable.getVersion(), e);
+          logger.error("Storage group {} memtable io task meets error.", storageGroup, e);

Review comment:
       Same

##########
File path: server/src/main/java/org/apache/iotdb/db/engine/flush/MemTableFlushTask.java
##########
@@ -67,8 +67,7 @@ public MemTableFlushTask(IMemTable memTable, RestorableTsFileIOWriter writer, St
     this.storageGroup = storageGroup;
     this.encodingTaskFuture = subTaskPoolManager.submit(encodingTask);
     this.ioTaskFuture = subTaskPoolManager.submit(ioTask);
-    logger.debug("flush task of Storage group {} memtable {} is created ",
-        storageGroup, memTable.getVersion());
+    logger.debug("flush task of Storage group {} memtable is created ", storageGroup);

Review comment:
       What about add a file name?
   ```suggestion
       logger.debug("flush task of Storage group {} memtable of file {} is created ", storageGroup, writer.getFile().getName());
   ```

##########
File path: server/src/main/java/org/apache/iotdb/db/engine/flush/MemTableFlushTask.java
##########
@@ -199,17 +196,17 @@ public void run() {
         }
       }
       noMoreIOTask = true;
-      logger.debug("Storage group {}, flushing memtable {} into disk: Encoding data cost "
+      logger.debug("Storage group {}, flushing memtable into disk: Encoding data cost "
               + "{} ms.",
-          storageGroup, memTable.getVersion(), memSerializeTime);
+          storageGroup, memSerializeTime);
     }
   };
 
   @SuppressWarnings("squid:S135")
   private Runnable ioTask = () -> {
     long ioTime = 0;
     boolean returnWhenNoTask = false;
-    logger.debug("Storage group {} memtable {}, start io.", storageGroup, memTable.getVersion());
+    logger.debug("Storage group {} memtable start io.", storageGroup);

Review comment:
       Same

##########
File path: server/src/main/java/org/apache/iotdb/db/engine/flush/MemTableFlushTask.java
##########
@@ -241,15 +237,14 @@ public void run() {
             this.writer.endChunkGroup();
           }
         } catch (IOException e) {
-          logger.error("Storage group {} memtable {}, io task meets error.", storageGroup,
-              memTable.getVersion(), e);
+          logger.error("Storage group {} memtable io task meets error.", storageGroup, e);
           throw new FlushRunTimeException(e);
         }
         ioTime += System.currentTimeMillis() - starTime;
       }
     }
-    logger.debug("flushing a memtable {} in storage group {}, io cost {}ms", memTable.getVersion(),
-        storageGroup, ioTime);
+    logger.debug("flushing a memtable in storage group {}, io cost {}ms",

Review comment:
       Same

##########
File path: server/src/main/java/org/apache/iotdb/db/engine/flush/MemTableFlushTask.java
##########
@@ -199,17 +196,17 @@ public void run() {
         }
       }
       noMoreIOTask = true;
-      logger.debug("Storage group {}, flushing memtable {} into disk: Encoding data cost "
+      logger.debug("Storage group {}, flushing memtable into disk: Encoding data cost "

Review comment:
       Same

##########
File path: server/src/main/java/org/apache/iotdb/db/engine/flush/MemTableFlushTask.java
##########
@@ -166,8 +164,7 @@ private void writeOneSeries(TVList tvPairs, IChunkWriter seriesWriterImpl,
     public void run() {
       long memSerializeTime = 0;
       boolean noMoreMessages = false;
-      logger.debug("Storage group {} memtable {}, starts to encoding data.", storageGroup,
-          memTable.getVersion());
+      logger.debug("Storage group {} memtable starts to encoding data.", storageGroup);

Review comment:
       Same as above.

##########
File path: server/src/main/java/org/apache/iotdb/db/engine/flush/MemTableFlushTask.java
##########
@@ -222,8 +219,7 @@ public void run() {
         try {
           TimeUnit.MILLISECONDS.sleep(10);
         } catch (@SuppressWarnings("squid:S2142") InterruptedException e) {
-          logger.error("Storage group {} memtable {}, io task is interrupted.", storageGroup
-              , memTable.getVersion());
+          logger.error("Storage group {} memtable io task is interrupted.", storageGroup);

Review comment:
       Same




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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-758352279


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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-756499850


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[GitHub] [iotdb] SilverNarcissus commented on a change in pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
SilverNarcissus commented on a change in pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#discussion_r555455351



##########
File path: server/src/main/java/org/apache/iotdb/db/utils/QueryUtils.java
##########
@@ -48,7 +48,7 @@ public static void modifyChunkMetaData(List<ChunkMetadata> chunkMetaData,
     for (int metaIndex = 0; metaIndex < chunkMetaData.size(); metaIndex++) {
       ChunkMetadata metaData = chunkMetaData.get(metaIndex);
       for (Modification modification : modifications) {
-        if (modification.getVersionNum() > metaData.getVersion()) {
+        if (modification.getFileOffset() > metaData.getOffsetOfChunkHeader()) {

Review comment:
       Can modification.getFileOffset() == metaData.getOffsetOfChunkHeader() ?   What should we do in this condition




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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-760071677


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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
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URL: https://github.com/apache/iotdb/pull/2445#issuecomment-757612606


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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] removed a comment on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-756729277


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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] removed a comment on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-756066941


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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] removed a comment on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-756526848


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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-759169060


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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-759187243


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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-757590066


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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] removed a comment on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-759226493


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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] removed a comment on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-756668730


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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-756668730






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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] removed a comment on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-759187243


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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-756526848


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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-758364996


   Kudos, SonarCloud Quality Gate passed!
   
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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2445: Remove versionInfo in Tsfile and get rid of versions in memtable

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2445:
URL: https://github.com/apache/iotdb/pull/2445#issuecomment-756681527


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