def test_keyspace_cache(self):
numKeys = 1024 * 256
before = TCMalloc.getBytesUsed()
view = createViewWithNoChannel()
keyspace = SharedState.Keyspace("ComparisonKeyType", json('test'), 1)
keyrange = SharedState.KeyRange(keyspace, 0, None, None, True, True)
cache = SharedStateNative.KeyspaceCache(keyrange, None)
for event in producePartialEvents(view, [keyspace], 'test', numKeys, 1, 8):
cache.addEvent(event)
cache.newMinimumId(numKeys)
view = None
gc.collect()
bytesUsed = TCMalloc.getBytesUsed() - before
self.assertTrue(bytesUsed < 1024 * 16)
def test_null_value_is_deleted(self):
numEvents = 1024 * 64
valueSize = 128
numKeys = numEvents
view = createViewWithNoChannel()
keyspace = SharedState.Keyspace("ComparisonKeyType", json('test'), 1)
keyrange = SharedState.KeyRange(keyspace, 0, None, None, True, True)
cache = SharedStateNative.KeyspaceCache(keyrange, None)
gc.collect()
m0 = TCMalloc.getBytesUsed()
for event in producePartialEvents(view, [keyspace], 'test', numKeys, numKeys, valueSize):
cache.addEvent(event)
cache.addEvent(produceNullifyingEvent(view, event))
cache.newMinimumId(numKeys * 2)
gc.collect()
self.assertLess(TCMalloc.getBytesUsed() - m0, 1024 * 4)
