anonymouscodeholic commented on a change in pull request #13688:
URL: https://github.com/apache/flink/pull/13688#discussion_r511598512
##########
File path:
flink-state-backends/flink-statebackend-rocksdb/src/test/java/org/apache/flink/contrib/streaming/state/RocksDBMemoryControllerUtilsTest.java
##########
@@ -91,10 +93,33 @@ public void testCreateSharedResourcesWithExpectedCapacity()
{
long totalMemorySize = 2048L;
double writeBufferRatio = 0.5;
double highPriPoolRatio = 0.1;
-
RocksDBMemoryControllerUtils.allocateRocksDBSharedResources(totalMemorySize,
writeBufferRatio, highPriPoolRatio);
+ RocksDBSharedResources rocksDBSharedResources =
RocksDBMemoryControllerUtils.allocateRocksDBSharedResources(totalMemorySize,
writeBufferRatio, highPriPoolRatio);
long expectedCacheCapacity =
RocksDBMemoryControllerUtils.calculateActualCacheCapacity(totalMemorySize,
writeBufferRatio);
long expectedWbmCapacity =
RocksDBMemoryControllerUtils.calculateWriteBufferManagerCapacity(totalMemorySize,
writeBufferRatio);
+
assertThat(actualCacheCapacity.get(),
is(expectedCacheCapacity));
assertThat(actualWbmCapacity.get(), is(expectedWbmCapacity));
+
assertThat(rocksDBSharedResources.getWriteBufferManagerCapacity(),
is(expectedWbmCapacity));
+ }
+
+ @Test
+ public void testCalculateRocksDBDefaultArenaBlockSize() {
+ long writeBufferSize = 64 * 1024 * 1024;
+ long expectArenaBlockSize = writeBufferSize / 8;
+
assertThat(RocksDBMemoryControllerUtils.calculateRocksDBDefaultArenaBlockSize(writeBufferSize),
is(expectArenaBlockSize));
+ }
+
+ @Test
+ public void testCalculateRocksDBMutableLimit() {
+ long bufferSize = 64 * 1024 * 1024;
+ long limit = bufferSize * 7 / 8;
+
assertThat(RocksDBMemoryControllerUtils.calculateRocksDBMutableLimit(bufferSize),
is(limit));
+ }
+
+ @Test
+ public void testValidateArenaBlockSize() {
+ long arenaBlockSize = 8 * 1024 * 1024;
+
assertFalse(RocksDBMemoryControllerUtils.validateArenaBlockSize(arenaBlockSize,
(long) (arenaBlockSize * 0.5)));
+
assertTrue(RocksDBMemoryControllerUtils.validateArenaBlockSize(arenaBlockSize,
(long) (arenaBlockSize * 1.5)));
}
Review comment:
I added testing the alignment to
`testCalculateRocksDBDefaultArenaBlockSize`.
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