Beispiel #1
0
 public IndexPopulationJob(MultipleIndexPopulator multiPopulator, IndexingService.Monitor monitor, bool verifyBeforeFlipping)
 {
     this._multiPopulator          = multiPopulator;
     this._monitor                 = monitor;
     this._verifyBeforeFlipping    = verifyBeforeFlipping;
     this._memoryAllocationTracker = new ThreadSafePeakMemoryAllocationTracker(GlobalMemoryTracker.INSTANCE);
     this._bufferFactory           = new ByteBufferFactory(() => new UnsafeDirectByteBufferAllocator(_memoryAllocationTracker), parseBlockSize());
 }
Beispiel #2
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldDeallocateAllAllocatedMemoryOnDrop() throws org.neo4j.kernel.api.exceptions.index.IndexEntryConflictException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void ShouldDeallocateAllAllocatedMemoryOnDrop()
        {
            // given
            ThreadSafePeakMemoryAllocationTracker memoryTracker = new ThreadSafePeakMemoryAllocationTracker(new LocalMemoryTracker());
            ByteBufferFactory bufferFactory = new ByteBufferFactory(() => new UnsafeDirectByteBufferAllocator(memoryTracker), 100);
            BlockBasedIndexPopulator <GenericKey, NativeIndexValue> populator = InstantiatePopulator(NO_MONITOR, bufferFactory);
            bool closed = false;

            try
            {
                // when
//JAVA TO C# CONVERTER WARNING: Java wildcard generics have no direct equivalent in .NET:
//ORIGINAL LINE: java.util.Collection<org.neo4j.kernel.api.index.IndexEntryUpdate<?>> updates = batchOfUpdates();
                ICollection <IndexEntryUpdate <object> > updates = BatchOfUpdates();
                populator.Add(updates);
                int nextId = updates.Count;
                ExternalUpdates(populator, nextId, nextId + 10);
                nextId = nextId + 10;
                long memoryBeforeScanCompleted = memoryTracker.UsedDirectMemory();
                populator.ScanCompleted(nullInstance);
                ExternalUpdates(populator, nextId, nextId + 10);

                // then
                assertTrue("expected some memory to have been temporarily allocated in scanCompleted", memoryTracker.PeakMemoryUsage() > memoryBeforeScanCompleted);
                populator.Drop();
                closed = true;
                assertEquals("expected all allocated memory to have been freed on drop", memoryBeforeScanCompleted, memoryTracker.UsedDirectMemory());

                bufferFactory.Close();
                assertEquals(0, memoryTracker.UsedDirectMemory());
            }
            finally
            {
                if (!closed)
                {
                    populator.Close(true);
                }
            }
        }