//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void reheatingMustWorkOnLargeNumberOfPages() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ReheatingMustWorkOnLargeNumberOfPages()
{
int maxPagesInMemory = 1_000;
int[] pageIds = RandomSortedPageIds(maxPagesInMemory);
string pageCacheMemory = (maxPagesInMemory * ByteUnit.kibiBytes(9)).ToString();
using (PageCache pageCache = _pageCacheRule.getPageCache(_fs, _cfg.withMemory(pageCacheMemory)), PagedFile pf = pageCache.Map(_file, pageCache.PageSize(), StandardOpenOption.CREATE))
{
using (PageCursor writer = pf.Io(0, Org.Neo4j.Io.pagecache.PagedFile_Fields.PfSharedWriteLock))
{
foreach (int pageId in pageIds)
{
assertTrue(writer.Next(pageId));
}
}
pf.FlushAndForce();
PageCacheWarmer warmer = new PageCacheWarmer(_fs, pageCache, _scheduler, _testDirectory.databaseDir());
warmer.Profile();
}
long initialFaults = _cacheTracer.faults();
ClearTracerCounts();
using (PageCache pageCache = _pageCacheRule.getPageCache(_fs, _cfg), PagedFile pf = pageCache.Map(_file, pageCache.PageSize()))
{
PageCacheWarmer warmer = new PageCacheWarmer(_fs, pageCache, _scheduler, _testDirectory.databaseDir());
warmer.Start();
warmer.Reheat();
pageCache.ReportEvents();
assertThat(_cacheTracer.faults(), @is(initialFaults + pageIds.Length));
using (PageCursor reader = pf.Io(0, Org.Neo4j.Io.pagecache.PagedFile_Fields.PF_SHARED_READ_LOCK))
{
foreach (int pageId in pageIds)
{
assertTrue(reader.Next(pageId));
}
}
// No additional faults must have been reported.
pageCache.ReportEvents();
assertThat(_cacheTracer.faults(), @is(initialFaults + pageIds.Length));
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test void growEphemeralFileBuffer()
internal virtual void GrowEphemeralFileBuffer()
{
EphemeralFileSystemAbstraction.DynamicByteBuffer byteBuffer = new EphemeralFileSystemAbstraction.DynamicByteBuffer();
sbyte[] testBytes = new sbyte[] { 1, 2, 3, 4 };
int length = testBytes.Length;
byteBuffer.Put(0, testBytes, 0, length);
assertEquals(( int )ByteUnit.kibiBytes(1), byteBuffer.Buf().capacity());
byteBuffer.Put(( int )(ByteUnit.kibiBytes(1) + 2), testBytes, 0, length);
assertEquals(( int )ByteUnit.kibiBytes(2), byteBuffer.Buf().capacity());
byteBuffer.Put(( int )(ByteUnit.kibiBytes(5) + 2), testBytes, 0, length);
assertEquals(( int )ByteUnit.kibiBytes(8), byteBuffer.Buf().capacity());
byteBuffer.Put(( int )(ByteUnit.mebiBytes(2) + 2), testBytes, 0, length);
assertEquals(( int )ByteUnit.mebiBytes(4), byteBuffer.Buf().capacity());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test void veryLargePageListsMustBeFullyAccessible()
internal virtual void VeryLargePageListsMustBeFullyAccessible()
{
// We need roughly 2 GiBs of memory for the meta-data here, which is why this is an IT and not a Test.
// We add one extra page worth of data to the size here, to avoid ending up on a "convenient" boundary.
int pageSize = ( int )ByteUnit.kibiBytes(8);
long pageCacheSize = ByteUnit.gibiBytes(513) + pageSize;
int pages = Math.toIntExact(pageCacheSize / pageSize);
MemoryAllocator mman = MemoryAllocator.createAllocator("2 GiB", GlobalMemoryTracker.INSTANCE);
SwapperSet swappers = new SwapperSet();
long victimPage = VictimPageReference.GetVictimPage(pageSize, GlobalMemoryTracker.INSTANCE);
PageList pageList = new PageList(pages, pageSize, mman, swappers, victimPage, Long.BYTES);
// Verify we end up with the correct number of pages.
assertThat(pageList.PageCount, @is(pages));
// Spot-check the accessibility in the bulk of the pages.
IntStream.range(0, pages / 32).parallel().forEach(id => verifyPageMetaDataIsAccessible(pageList, id * 32));
// Thoroughly check the accessibility around the tail end of the page list.
IntStream.range(pages - 2000, pages).parallel().forEach(id => verifyPageMetaDataIsAccessible(pageList, id));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @BeforeEach public void setUp()
public virtual void SetUp()
{
_tracer = new DefaultPageCacheTracer();
_swapper = new DummyPageSwapper("filename", ( int )ByteUnit.kibiBytes(8));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @BeforeEach void setUp()
internal virtual void SetUp()
{
_cacheTracer = new DefaultPageCacheTracer();
_pageCursorTracer = CreateTracer();
_swapper = new DummyPageSwapper("filename", ( int )ByteUnit.kibiBytes(8));
}
public FixedLinkedStubPageCursorAnonymousInnerClass() : base(0, (int)ByteUnit.kibiBytes(4))
{
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Before public void setUp()
public virtual void SetUp()
{
_recordFormat = new RelationshipGroupRecordFormat();
_pageCursor = new FixedLinkedStubPageCursor(0, ( int )ByteUnit.kibiBytes(8));
_idSequence = new ConstantIdSequence();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @VisibleForTesting public CachingOffHeapBlockAllocator()
public CachingOffHeapBlockAllocator() : this(ByteUnit.kibiBytes(512), 128)
{
}