klsince commented on a change in pull request #7969:
URL: https://github.com/apache/pinot/pull/7969#discussion_r781623210
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/data/manager/BaseTableDataManager.java
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@@ -277,49 +282,36 @@ public void addSegmentError(String segmentName,
SegmentErrorInfo segmentErrorInf
public void reloadSegment(String segmentName, IndexLoadingConfig
indexLoadingConfig, SegmentZKMetadata zkMetadata,
SegmentMetadata localMetadata, @Nullable Schema schema, boolean
forceDownload)
throws Exception {
- File indexDir = localMetadata.getIndexDir();
- Preconditions.checkState(indexDir.isDirectory(), "Index directory: %s is
not a directory", indexDir);
-
- File parentFile = indexDir.getParentFile();
- File segmentBackupDir =
- new File(parentFile, indexDir.getName() +
CommonConstants.Segment.SEGMENT_BACKUP_DIR_SUFFIX);
-
+ File indexDir = getSegmentDataDir(segmentName);
try {
- // First rename index directory to segment backup directory so that
original segment have all file descriptors
- // point to the segment backup directory to ensure original segment
serves queries properly
+ // Create backup directory to handle failure of segment reloading.
Review comment:
The detailed comments are moved to method createBackup to explain its
implementation.
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