private JobHandle _jobHandle; // Guarded by `this`.
internal WarmupAvailabilityListener(JobScheduler scheduler, PageCacheWarmer pageCacheWarmer, Config config, Log log, PageCacheWarmerMonitor monitor)
{
this._scheduler = scheduler;
this._pageCacheWarmer = pageCacheWarmer;
this._config = config;
this._log = log;
this._monitor = monitor;
}
internal PageCacheWarmerKernelExtension(JobScheduler scheduler, DatabaseAvailabilityGuard databaseAvailabilityGuard, PageCache pageCache, FileSystemAbstraction fs, NeoStoreDataSource dataSource, Log log, PageCacheWarmerMonitor monitor, Config config)
{
this._databaseAvailabilityGuard = databaseAvailabilityGuard;
this._dataSource = dataSource;
this._config = config;
_pageCacheWarmer = new PageCacheWarmer(fs, pageCache, scheduler, dataSource.DatabaseLayout.databaseDirectory());
_availabilityListener = new WarmupAvailabilityListener(scheduler, _pageCacheWarmer, config, log, monitor);
}
//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 doNoProfileAfterStop() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void DoNoProfileAfterStop()
{
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.Profile());
}
}
//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: @SuppressWarnings("unused") @Test public void profileMustNotDeleteFilesCurrentlyExposedViaFileListing() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ProfileMustNotDeleteFilesCurrentlyExposedViaFileListing()
{
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();
warmer.Profile();
warmer.Profile();
IList <StoreFileMetadata> fileListing = new List <StoreFileMetadata>();
using (Resource firstListing = warmer.AddFilesTo(fileListing))
{
warmer.Profile();
warmer.Profile();
// The files in the file listing cannot be deleted while the listing is in use.
assertThat(fileListing.Count, greaterThan(0));
AssertFilesExists(fileListing);
warmer.Profile();
using (Resource secondListing = warmer.AddFilesTo(new List <StoreFileMetadata>()))
{
warmer.Profile();
// This must hold even when there are file listings overlapping in time.
AssertFilesExists(fileListing);
}
warmer.Profile();
// And continue to hold after other overlapping listing finishes.
AssertFilesExists(fileListing);
}
// Once we are done with the file listing, profile should remove those files.
warmer.Profile();
warmer.Stop();
AssertFilesNotExists(fileListing);
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void listOnlyDatabaseRelaterFilesInListOfMetadata() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ListOnlyDatabaseRelaterFilesInListOfMetadata()
{
File ignoredFile = new File(_testDirectory.storeDir(), "b");
using (PageCache pageCache = _pageCacheRule.getPageCache(_fs, _cfg), PagedFile include = pageCache.Map(_file, pageCache.PageSize(), StandardOpenOption.CREATE), PagedFile ignore = pageCache.Map(ignoredFile, pageCache.PageSize(), StandardOpenOption.CREATE))
{
PageCacheWarmer warmer = new PageCacheWarmer(_fs, pageCache, _scheduler, _testDirectory.databaseDir());
warmer.Start();
warmer.Profile();
List <StoreFileMetadata> filesMetadata = new List <StoreFileMetadata>();
warmer.AddFilesTo(filesMetadata);
assertThat(filesMetadata, hasSize(1));
assertTrue(filesMetadata[0].File().Name.StartsWith(_file.Name));
warmer.Stop();
assertSame(long?.empty(), warmer.Profile());
}
}
//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));
}
}