chaoqin-li1123 commented on code in PR #41099:
URL: https://github.com/apache/spark/pull/41099#discussion_r1193338104
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/RocksDB.scala:
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@@ -286,44 +329,56 @@ class RocksDB(
*/
def commit(): Long = {
val newVersion = loadedVersion + 1
- val checkpointDir = createTempDir("checkpoint")
- var rocksDBBackgroundThreadPaused = false
try {
- // Make sure the directory does not exist. Native RocksDB fails if the
directory to
- // checkpoint exists.
- Utils.deleteRecursively(checkpointDir)
logInfo(s"Flushing updates for $newVersion")
- val flushTimeMs = timeTakenMs { db.flush(flushOptions) }
-
- val compactTimeMs = if (conf.compactOnCommit) {
- logInfo("Compacting")
- timeTakenMs { db.compactRange() }
- } else 0
-
- logInfo("Pausing background work")
- val pauseTimeMs = timeTakenMs {
- db.pauseBackgroundWork() // To avoid files being changed while
committing
- rocksDBBackgroundThreadPaused = true
- }
- logInfo(s"Creating checkpoint for $newVersion in $checkpointDir")
- val checkpointTimeMs = timeTakenMs {
- val cp = Checkpoint.create(db)
- cp.createCheckpoint(checkpointDir.toString)
+ var compactTimeMs = 0L
+ var flushTimeMs = 0L
+ var checkpointTimeMs = 0L
+ if (shouldCreateSnapshot()) {
+ if (conf.compactOnCommit) {
+ logInfo("Compacting")
+ compactTimeMs = timeTakenMs { db.compactRange() }
+ }
+ // Need to flush the change to disk before creating a checkpoint
+ // because rocksdb wal is disabled.
+ flushTimeMs = timeTakenMs { db.flush(flushOptions) }
+ checkpointTimeMs = timeTakenMs {
Review Comment:
Added back.
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