jackjlli commented on a change in pull request #5764:
URL: https://github.com/apache/incubator-pinot/pull/5764#discussion_r461924349
##########
File path:
pinot-server/src/main/java/org/apache/pinot/server/starter/helix/SegmentFetcherAndLoader.java
##########
@@ -184,39 +185,44 @@ private boolean isNewSegmentMetadata(String
tableNameWithType, OfflineSegmentZKM
private String downloadSegmentToLocal(String uri, PinotCrypter crypter,
String tableName, String segmentName)
throws Exception {
- File tempDir = new File(new
File(_instanceDataManager.getSegmentFileDirectory(), tableName),
- "tmp-" + segmentName + "-" + UUID.randomUUID());
- FileUtils.forceMkdir(tempDir);
- File tempDownloadFile = new File(tempDir, segmentName + ENCODED_SUFFIX);
- File tempTarFile = new File(tempDir, segmentName + TAR_GZ_SUFFIX);
- File tempSegmentDir = new File(tempDir, segmentName);
- try {
- SegmentFetcherFactory.fetchSegmentToLocal(uri, tempDownloadFile);
- if (crypter != null) {
- crypter.decrypt(tempDownloadFile, tempTarFile);
- } else {
- tempTarFile = tempDownloadFile;
- }
-
- LOGGER
- .info("Downloaded tarred segment: {} for table: {} from: {} to: {},
file length: {}", segmentName, tableName,
- uri, tempTarFile, tempTarFile.length());
+ // Even if the tar file has been downloaded successfully, the file itself
could be corrupted during the transmission.
+ // Thus, we should re-download it again.
+ RetryPolicies.fixedDelayRetryPolicy(5, 5_000L).attempt(() -> {
+ File tempDir = new File(new
File(_instanceDataManager.getSegmentFileDirectory(), tableName),
+ "tmp-" + segmentName + "-" + UUID.randomUUID());
+ FileUtils.forceMkdir(tempDir);
+ File tempDownloadFile = new File(tempDir, segmentName + ENCODED_SUFFIX);
+ File tempTarFile = new File(tempDir, segmentName + TAR_GZ_SUFFIX);
+ File tempSegmentDir = new File(tempDir, segmentName);
+ try {
+ SegmentFetcherFactory.fetchSegmentToLocal(uri, tempDownloadFile);
Review comment:
Comment added.
I also added the catch block to check whether `AttemptsExceededException` is
thrown from `SegmentFetcherFactory.fetchSegmentToLocal(uri, tempDownloadFile)`.
If so, exit the outer retry.
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