azagrebin commented on a change in pull request #8459: [FLINK-12476] [State
TTL] Consider setting a default background cleanup strategy in StateTtlConfig
URL: https://github.com/apache/flink/pull/8459#discussion_r287733029
##########
File path:
flink-core/src/main/java/org/apache/flink/api/common/state/StateTtlConfig.java
##########
@@ -376,39 +391,57 @@ public StateTtlConfig build() {
private static final long serialVersionUID =
1373998465131443873L;
}
- final EnumMap<Strategies, CleanupStrategy> strategies = new
EnumMap<>(Strategies.class);
+ private final EnumMap<Strategies, CleanupStrategy> strategies =
new EnumMap<>(Strategies.class);
- public void activate(Strategies strategy) {
+ private void activate(Strategies strategy) {
activate(strategy, EMPTY_STRATEGY);
}
- public void activate(Strategies strategy, CleanupStrategy
config) {
+ private void activate(Strategies strategy, CleanupStrategy
config) {
strategies.put(strategy, config);
}
public boolean inFullSnapshot() {
return
strategies.containsKey(Strategies.FULL_STATE_SCAN_SNAPSHOT);
}
+ public boolean isCleanupInBackground() {
+ return isCleanupInBackground;
+ }
+
+ private void setCleanupInBackground(boolean
cleanupInBackground) {
+ isCleanupInBackground = cleanupInBackground;
+ }
+
@Nullable
public IncrementalCleanupStrategy
getIncrementalCleanupStrategy() {
- return (IncrementalCleanupStrategy)
strategies.get(Strategies.INCREMENTAL_CLEANUP);
+ if (isCleanupInBackground()) {
+ return (IncrementalCleanupStrategy)
strategies.getOrDefault(Strategies.INCREMENTAL_CLEANUP,
DEFAULT_INCREMENTAL_CLEANUP_STRATEGY);
+ } else {
+ return (IncrementalCleanupStrategy)
strategies.get(Strategies.INCREMENTAL_CLEANUP);
+ }
}
public boolean inRocksdbCompactFilter() {
- return
strategies.containsKey(Strategies.ROCKSDB_COMPACTION_FILTER);
+ return getRocksdbCompactFilterCleanupStrategy() != null;
}
@Nullable
public RocksdbCompactFilterCleanupStrategy
getRocksdbCompactFilterCleanupStrategy() {
- return (RocksdbCompactFilterCleanupStrategy)
strategies.get(Strategies.ROCKSDB_COMPACTION_FILTER);
+ if (isCleanupInBackground()) {
+ return (RocksdbCompactFilterCleanupStrategy)
strategies.getOrDefault(Strategies.ROCKSDB_COMPACTION_FILTER,
DEFAULT_ROCKSDB_COMPACT_FILTER_CLEANUP_STRATEGY);
+ } else {
+ return (RocksdbCompactFilterCleanupStrategy)
strategies.get(Strategies.ROCKSDB_COMPACTION_FILTER);
+ }
}
}
/** Configuration of cleanup strategy while taking the full snapshot.
*/
public static class IncrementalCleanupStrategy implements
CleanupStrategies.CleanupStrategy {
private static final long serialVersionUID =
3109278696501988780L;
+ public static final IncrementalCleanupStrategy
DEFAULT_INCREMENTAL_CLEANUP_STRATEGY = new IncrementalCleanupStrategy(10, true);
Review comment:
it can be at least package private.
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