Ngone51 commented on code in PR #36200:
URL: https://github.com/apache/spark/pull/36200#discussion_r955679181
##########
common/network-shuffle/src/main/java/org/apache/spark/network/shuffle/ExternalShuffleBlockResolver.java:
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@@ -124,7 +125,15 @@ public ShuffleIndexInformation load(String filePath)
throws IOException {
.weigher((Weigher<String, ShuffleIndexInformation>)
(filePath, indexInfo) -> indexInfo.getRetainedMemorySize())
.build(indexCacheLoader);
- db = LevelDBProvider.initLevelDB(this.registeredExecutorFile,
CURRENT_VERSION, mapper);
+ DBBackend dbBackend = null;
+ if (registeredExecutorFile != null) {
+ String dbBackendName =
+ conf.get(Constants.SHUFFLE_SERVICE_DB_BACKEND,
DBBackend.LEVELDB.name());
+ dbBackend = DBBackend.byName(dbBackendName);
+ logger.info("Configured {} as {} and actually used value {}",
+ Constants.SHUFFLE_SERVICE_DB_BACKEND, dbBackendName, dbBackend);
+ }
+ db = DBProvider.initDB(dbBackend, this.registeredExecutorFile,
CURRENT_VERSION, mapper);
Review Comment:
If so, I think `if (registeredExecutorFile != null)` is actually useless
here..
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