LuciferYang commented on code in PR #38567:
URL: https://github.com/apache/spark/pull/38567#discussion_r1027625306
##########
core/src/main/scala/org/apache/spark/status/KVUtils.scala:
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@@ -80,6 +89,44 @@ private[spark] object KVUtils extends Logging {
db
}
+ def createKVStore(
+ storePath: Option[File],
+ diskBackend: HybridStoreDiskBackend.Value,
+ conf: SparkConf): KVStore = {
+ storePath.map { path =>
+ val dir = diskBackend match {
+ case LEVELDB => "listing.ldb"
+ case ROCKSDB => "listing.rdb"
+ }
+
+ val dbPath = Files.createDirectories(new File(path,
dir).toPath()).toFile()
+ Utils.chmod700(dbPath)
+
+
+ val metadata = FsHistoryProviderMetadata(
+ FsHistoryProvider.CURRENT_LISTING_VERSION,
+ AppStatusStore.CURRENT_VERSION,
+ conf.get(History.HISTORY_LOG_DIR))
+
+ try {
+ open(dbPath, metadata, conf, Some(diskBackend))
+ } catch {
Review Comment:
If unexpected data cleaning doesn't occur in the live UI scenario, I think
it is OK
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