vanzin commented on a change in pull request #24616: [SPARK-27726] [Core] Fix
performance of ElementTrackingStore deletes when using InMemoryStore under high
loads
URL: https://github.com/apache/spark/pull/24616#discussion_r285753585
##########
File path:
common/kvstore/src/test/java/org/apache/spark/util/kvstore/InMemoryStoreSuite.java
##########
@@ -132,6 +133,48 @@ public void testArrayIndices() throws Exception {
assertEquals(o,
store.view(ArrayKeyIndexType.class).index("id").first(o.id).iterator().next());
}
+ @Test
+ public void testRemoveAll() throws Exception {
+ KVStore store = new InMemoryStore();
+
+ for (int i = 0; i < 2; i++) {
+ for (int j = 0; j < 2; j++) {
+ ArrayKeyIndexType o = new ArrayKeyIndexType();
+ o.key = new int[] { i, j, 0 };
+ o.id = new String[] { "things" };
+ store.write(o);
+
+ o = new ArrayKeyIndexType();
+ o.key = new int[] { i, j, 1 };
+ o.id = new String[] { "more things" };
+ store.write(o);
+ }
+ }
+
+ ArrayKeyIndexType o = new ArrayKeyIndexType();
+ o.key = new int[] { 2, 2, 2 };
+ o.id = new String[] { "things" };
+ store.write(o);
+
+ assertEquals(9, store.count(ArrayKeyIndexType.class));
+
+ HashSet set = new HashSet();
Review comment:
Add generic type.
Or you could use `ImmutableSet` and not need this local variable (and avoid
re-using it for different types and avoid the warnings from javac at the same
time).
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