//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void mustDoNothingWhenReheatingUnprofiledPageCache() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void MustDoNothingWhenReheatingUnprofiledPageCache()
{
using (PageCache pageCache = _pageCacheRule.getPageCache(_fs, _cfg), PagedFile ignore = pageCache.Map(_file, pageCache.PageSize(), StandardOpenOption.CREATE))
{
PageCacheWarmer warmer = new PageCacheWarmer(_fs, pageCache, _scheduler, _testDirectory.databaseDir());
warmer.Reheat();
}
_cursorTracer.get().reportEvents();
assertThat(_cacheTracer.faults(), @is(0L));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void doNotReheatAfterStop() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void DoNotReheatAfterStop()
{
using (PageCache pageCache = _pageCacheRule.getPageCache(_fs, _cfg), PagedFile ignore = pageCache.Map(_file, pageCache.PageSize(), StandardOpenOption.CREATE))
{
PageCacheWarmer warmer = new PageCacheWarmer(_fs, pageCache, _scheduler, _testDirectory.databaseDir());
warmer.Start();
warmer.Stop();
assertSame(long?.empty(), warmer.Reheat());
}
}
//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 public void profileAndReheatAfterRestart() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ProfileAndReheatAfterRestart()
{
using (PageCache pageCache = _pageCacheRule.getPageCache(_fs, _cfg), PagedFile pf = pageCache.Map(_file, pageCache.PageSize(), StandardOpenOption.CREATE))
{
PageCacheWarmer warmer = new PageCacheWarmer(_fs, pageCache, _scheduler, _testDirectory.databaseDir());
warmer.Start();
warmer.Stop();
warmer.Start();
using (PageCursor writer = pf.Io(0, Org.Neo4j.Io.pagecache.PagedFile_Fields.PfSharedWriteLock))
{
assertTrue(writer.Next(1));
assertTrue(writer.Next(3));
}
warmer.Profile();
assertNotSame(long?.empty(), warmer.Reheat());
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void mustReheatProfiledPageCache() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void MustReheatProfiledPageCache()
{
using (PageCache pageCache = _pageCacheRule.getPageCache(_fs, _cfg), PagedFile pf = pageCache.Map(_file, pageCache.PageSize(), StandardOpenOption.CREATE))
{
using (PageCursor writer = pf.Io(0, Org.Neo4j.Io.pagecache.PagedFile_Fields.PfSharedWriteLock))
{
assertTrue(writer.Next(1));
assertTrue(writer.Next(3));
}
pf.FlushAndForce();
PageCacheWarmer warmer = new PageCacheWarmer(_fs, pageCache, _scheduler, _testDirectory.databaseDir());
warmer.Start();
warmer.Profile();
}
ClearTracerCounts();
long initialFaults = _cacheTracer.faults();
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 + 2L));
using (PageCursor reader = pf.Io(0, Org.Neo4j.Io.pagecache.PagedFile_Fields.PF_SHARED_READ_LOCK))
{
assertTrue(reader.Next(1));
assertTrue(reader.Next(3));
}
// No additional faults must have been reported.
pageCache.ReportEvents();
assertThat(_cacheTracer.faults(), @is(initialFaults + 2L));
}
}
