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https://issues.apache.org/jira/browse/FLINK-9981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16565789#comment-16565789
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ASF GitHub Bot commented on FLINK-9981:
---------------------------------------
azagrebin commented on a change in pull request #6438: [FLINK-9981] Tune
performance of RocksDB implementation
URL: https://github.com/apache/flink/pull/6438#discussion_r206983891
##########
File path:
flink-state-backends/flink-statebackend-rocksdb/src/test/java/org/apache/flink/contrib/streaming/state/KeyGroupPartitionedPriorityQueueWithRocksDBStoreTest.java
##########
@@ -18,36 +18,54 @@
package org.apache.flink.contrib.streaming.state;
-import org.apache.flink.runtime.state.heap.CachingInternalPriorityQueueSet;
+import org.apache.flink.core.memory.ByteArrayInputStreamWithPos;
+import org.apache.flink.core.memory.ByteArrayOutputStreamWithPos;
+import org.apache.flink.runtime.state.InternalPriorityQueue;
+import org.apache.flink.runtime.state.InternalPriorityQueueTestBase;
import org.apache.flink.runtime.state.heap.KeyGroupPartitionedPriorityQueue;
-import
org.apache.flink.runtime.state.heap.KeyGroupPartitionedPriorityQueueTest;
-import org.apache.flink.runtime.state.heap.TreeOrderedSetCache;
import org.junit.Rule;
/**
- * Test of {@link KeyGroupPartitionedPriorityQueue} powered by a {@link
RocksDBOrderedSetStore}.
+ * Test of {@link KeyGroupPartitionedPriorityQueue} powered by a {@link
RocksDBCachingPriorityQueueSet}.
*/
-public class KeyGroupPartitionedPriorityQueueWithRocksDBStoreTest extends
KeyGroupPartitionedPriorityQueueTest {
+public class KeyGroupPartitionedPriorityQueueWithRocksDBStoreTest extends
InternalPriorityQueueTestBase {
@Rule
public final RocksDBResource rocksDBResource = new RocksDBResource();
@Override
- protected KeyGroupPartitionedPriorityQueue.PartitionQueueSetFactory<
- TestElement,
CachingInternalPriorityQueueSet<TestElement>> newFactory(
- int initialCapacity) {
-
- return (keyGroupId, numKeyGroups, elementComparator) -> {
-
CachingInternalPriorityQueueSet.OrderedSetCache<TestElement> cache =
- new
TreeOrderedSetCache<>(TEST_ELEMENT_COMPARATOR, 32);
-
CachingInternalPriorityQueueSet.OrderedSetStore<TestElement> store =
-
RocksDBOrderedSetStoreTest.createRocksDBOrderedStore(
- rocksDBResource,
- TestElementSerializer.INSTANCE,
- keyGroupId,
- numKeyGroups);
- return new CachingInternalPriorityQueueSet<>(cache,
store);
+ protected InternalPriorityQueue<TestElement> newPriorityQueue(int
initialCapacity) {
+ return new KeyGroupPartitionedPriorityQueue<>(
+ KEY_EXTRACTOR_FUNCTION,
+ TEST_ELEMENT_PRIORITY_COMPARATOR,
+ newFactory(initialCapacity),
+ KEY_GROUP_RANGE,
KEY_GROUP_RANGE.getNumberOfKeyGroups());
+ }
+
+ @Override
+ protected boolean testSetSemanticsAgainstDuplicateElements() {
+ return true;
+ }
+
+ private KeyGroupPartitionedPriorityQueue.PartitionQueueSetFactory<
+ TestElement, RocksDBCachingPriorityQueueSet<TestElement>>
newFactory(int initialCapacity) {
Review comment:
Do we want this currently unused `initialCapacity` parameter?
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> Tune performance of RocksDB implementation
> ------------------------------------------
>
> Key: FLINK-9981
> URL: https://issues.apache.org/jira/browse/FLINK-9981
> Project: Flink
> Issue Type: Sub-task
> Components: State Backends, Checkpointing
> Affects Versions: 1.6.0
> Reporter: Stefan Richter
> Assignee: Stefan Richter
> Priority: Major
> Labels: pull-request-available
>
> General performance tuning/polishing for the RocksDB implementation. We can
> figure out how caching/seeking can be improved.
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