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Posted to commits@iotdb.apache.org by ja...@apache.org on 2022/01/27 00:58:34 UTC
[iotdb] branch rel/0.12 updated: [IOTDB-2499] Fix division by zero error when recovering merge
This is an automated email from the ASF dual-hosted git repository.
jackietien pushed a commit to branch rel/0.12
in repository https://gitbox.apache.org/repos/asf/iotdb.git
The following commit(s) were added to refs/heads/rel/0.12 by this push:
new 792f035 [IOTDB-2499] Fix division by zero error when recovering merge
792f035 is described below
commit 792f035c84bf7ac8d11c7e875b7718c56366a60d
Author: Liu Xuxin <37...@users.noreply.github.com>
AuthorDate: Thu Jan 27 08:57:58 2022 +0800
[IOTDB-2499] Fix division by zero error when recovering merge
---
.../java/org/apache/iotdb/db/engine/merge/task/RecoverMergeTask.java | 3 +++
1 file changed, 3 insertions(+)
diff --git a/server/src/main/java/org/apache/iotdb/db/engine/merge/task/RecoverMergeTask.java b/server/src/main/java/org/apache/iotdb/db/engine/merge/task/RecoverMergeTask.java
index b629645..4c7cd44 100644
--- a/server/src/main/java/org/apache/iotdb/db/engine/merge/task/RecoverMergeTask.java
+++ b/server/src/main/java/org/apache/iotdb/db/engine/merge/task/RecoverMergeTask.java
@@ -178,6 +178,9 @@ public class RecoverMergeTask extends MergeTask {
MergeUtils.findTotalAndLargestSeriesChunkNum(seqFile, resource.getFileReader(seqFile));
long totalChunkNum = chunkNums[0];
long maxChunkNum = chunkNums[1];
+ if (totalChunkNum == 0) {
+ continue;
+ }
long fileMetaSize = MergeUtils.getFileMetaSize(seqFile, resource.getFileReader(seqFile));
long newSingleSeriesSeqReadCost = fileMetaSize * maxChunkNum / totalChunkNum;
singleSeriesSeqReadCost = Math.max(newSingleSeriesSeqReadCost, singleSeriesSeqReadCost);