anishshri-db commented on code in PR #47850:
URL: https://github.com/apache/spark/pull/47850#discussion_r1728068970
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sql/core/src/test/scala/org/apache/spark/sql/execution/streaming/state/RocksDBSuite.scala:
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@@ -1736,6 +1737,84 @@ class RocksDBSuite extends
AlsoTestWithChangelogCheckpointingEnabled with Shared
}
}
+ testWithChangelogCheckpointingEnabled("load the same version of pending
snapshot uploading") {
+ val remoteDir = Utils.createTempDir().toString
+ val conf = dbConf.copy(minDeltasForSnapshot = 2, compactOnCommit = false)
+ new File(remoteDir).delete() // to make sure that the directory gets
created
+ withDB(remoteDir, conf = conf) { db =>
+ db.load(0)
+ db.put("foo", "bar")
+ db.commit()
+
+ db.load(1)
+ db.put("foo", "bar")
+ db.commit()
+ db.doMaintenance()
+
+ db.load(1)
+ db.put("foo", "bar")
+ db.commit()
+
+ db.load(2)
+ db.put("foo", "bar")
+ db.commit()
+
+ db.load(2)
+ db.put("foo", "bar")
+ db.commit()
+
+ db.doMaintenance()
+
+ db.load(2)
+ db.put("foo", "bar")
+ db.commit()
+ }
+ }
+
+ for (random_seed <- 1 to 16) {
+ testWithChangelogCheckpointingEnabled(s"randomized snapshotting
$random_seed") {
+ val remoteDir = Utils.createTempDir().toString
+ val conf = dbConf.copy(minDeltasForSnapshot = 3, compactOnCommit = false)
+ new File(remoteDir).delete() // to make sure that the directory gets
created
+ withDB(remoteDir, conf = conf) { db =>
+ val random = new Random(random_seed)
+ var curVer: Int = 0
+ for (i <- 1 to 100) {
+ db.load(curVer)
+ db.put("foo", "bar")
+ db.commit()
+ if (random.nextInt(5) == 0) {
+ db.doMaintenance()
+ }
+ if (random.nextInt(2) == 0) {
+ curVer = curVer + 1
+ }
+ }
+ }
+ }
+ }
+
+ testWithChangelogCheckpointingEnabled(s"simulate ForEachBatch") {
Review Comment:
from the test - this might not be clear. should we explain the issue in more
detail around `foreachbatch` and not persisting the dataframe
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