klion26 closed pull request #7421: [FLINK-11167][runtime] Optimize
RocksDBListState#Put by removing the clear before put operation when input is
not empty
URL: https://github.com/apache/flink/pull/7421
This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:
As this is a foreign pull request (from a fork), the diff is supplied
below (as it won't show otherwise due to GitHub magic):
diff --git
a/flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/RocksDBListState.java
b/flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/RocksDBListState.java
index 13f5559405e..8ac6649771e 100644
---
a/flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/RocksDBListState.java
+++
b/flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/RocksDBListState.java
@@ -210,8 +210,6 @@ public void update(List<V> valueToStore) {
public void updateInternal(List<V> values) {
Preconditions.checkNotNull(values, "List of values to add
cannot be null.");
- clear();
-
if (!values.isEmpty()) {
try {
backend.db.put(
@@ -222,6 +220,8 @@ public void updateInternal(List<V> values) {
} catch (IOException | RocksDBException e) {
throw new FlinkRuntimeException("Error while
updating data to RocksDB", e);
}
+ } else {
+ clear();
}
}
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