| public FreezeGlobalBuffer ( DeleteSlice callerSlice ) : FrozenBufferedUpdates | ||
| callerSlice | DeleteSlice | |
| return | FrozenBufferedUpdates | |
public virtual void TestAnyChanges()
{
DocumentsWriterDeleteQueue queue = new DocumentsWriterDeleteQueue();
int size = 200 + Random().Next(500) * RANDOM_MULTIPLIER;
int termsSinceFreeze = 0;
int queriesSinceFreeze = 0;
for (int i = 0; i < size; i++)
{
Term term = new Term("id", "" + i);
if (Random().Next(10) == 0)
{
queue.AddDelete(new TermQuery(term));
queriesSinceFreeze++;
}
else
{
queue.AddDelete(term);
termsSinceFreeze++;
}
Assert.IsTrue(queue.AnyChanges());
if (Random().Next(5) == 0)
{
FrozenBufferedUpdates freezeGlobalBuffer = queue.FreezeGlobalBuffer(null);
Assert.AreEqual(termsSinceFreeze, freezeGlobalBuffer.TermCount);
Assert.AreEqual(queriesSinceFreeze, ((Query[])freezeGlobalBuffer.Queries_Nunit()).Length);
queriesSinceFreeze = 0;
termsSinceFreeze = 0;
Assert.IsFalse(queue.AnyChanges());
}
}
}
public virtual void TestAnyChanges()
{
DocumentsWriterDeleteQueue queue = new DocumentsWriterDeleteQueue();
int size = 200 + Random.Next(500) * RANDOM_MULTIPLIER;
int termsSinceFreeze = 0;
int queriesSinceFreeze = 0;
for (int i = 0; i < size; i++)
{
Term term = new Term("id", "" + i);
if (Random.Next(10) == 0)
{
queue.AddDelete(new TermQuery(term));
queriesSinceFreeze++;
}
else
{
queue.AddDelete(term);
termsSinceFreeze++;
}
Assert.IsTrue(queue.AnyChanges());
if (Random.Next(5) == 0)
{
FrozenBufferedUpdates freezeGlobalBuffer = queue.FreezeGlobalBuffer(null);
Assert.AreEqual(termsSinceFreeze, freezeGlobalBuffer.termCount);
Assert.AreEqual(queriesSinceFreeze, ((Query[])freezeGlobalBuffer.queries.Clone()).Length);
queriesSinceFreeze = 0;
termsSinceFreeze = 0;
Assert.IsFalse(queue.AnyChanges());
}
}
}
internal virtual void AddDeletes(DocumentsWriterDeleteQueue deleteQueue)
{
UninterruptableMonitor.Enter(this);
try
{
IncTickets(); // first inc the ticket count - freeze opens
// a window for #anyChanges to fail
bool success = false;
try
{
queue.Enqueue(new GlobalDeletesTicket(deleteQueue.FreezeGlobalBuffer(null)));
success = true;
}
finally
{
if (!success)
{
DecTickets();
}
}
}
finally
{
UninterruptableMonitor.Exit(this);
}
}
public virtual void TestUpdateDelteSlices()
{
DocumentsWriterDeleteQueue queue = new DocumentsWriterDeleteQueue();
int size = 200 + Random.Next(500) * RANDOM_MULTIPLIER;
int?[] ids = new int?[size];
for (int i = 0; i < ids.Length; i++)
{
ids[i] = Random.Next();
}
DeleteSlice slice1 = queue.NewSlice();
DeleteSlice slice2 = queue.NewSlice();
BufferedUpdates bd1 = new BufferedUpdates();
BufferedUpdates bd2 = new BufferedUpdates();
int last1 = 0;
int last2 = 0;
ISet <Term> uniqueValues = new JCG.HashSet <Term>();
for (int j = 0; j < ids.Length; j++)
{
int?i = ids[j];
// create an array here since we compare identity below against tailItem
Term[] term = new Term[] { new Term("id", i.ToString()) };
uniqueValues.Add(term[0]);
queue.AddDelete(term);
if (Random.Next(20) == 0 || j == ids.Length - 1)
{
queue.UpdateSlice(slice1);
Assert.IsTrue(slice1.IsTailItem(term));
slice1.Apply(bd1, j);
AssertAllBetween(last1, j, bd1, ids);
last1 = j + 1;
}
if (Random.Next(10) == 5 || j == ids.Length - 1)
{
queue.UpdateSlice(slice2);
Assert.IsTrue(slice2.IsTailItem(term));
slice2.Apply(bd2, j);
AssertAllBetween(last2, j, bd2, ids);
last2 = j + 1;
}
Assert.AreEqual(j + 1, queue.NumGlobalTermDeletes);
}
assertEquals(uniqueValues, new JCG.HashSet <Term>(bd1.terms.Keys));
assertEquals(uniqueValues, new JCG.HashSet <Term>(bd2.terms.Keys));
var frozenSet = new JCG.HashSet <Term>();
foreach (Term t in queue.FreezeGlobalBuffer(null).GetTermsEnumerable())
{
BytesRef bytesRef = new BytesRef();
bytesRef.CopyBytes(t.Bytes);
frozenSet.Add(new Term(t.Field, bytesRef));
}
assertEquals(uniqueValues, frozenSet);
Assert.AreEqual(0, queue.NumGlobalTermDeletes, "num deletes must be 0 after freeze");
}
public virtual void TestUpdateDelteSlices()
{
DocumentsWriterDeleteQueue queue = new DocumentsWriterDeleteQueue();
int size = 200 + Random().Next(500) * RANDOM_MULTIPLIER;
int?[] ids = new int?[size];
for (int i = 0; i < ids.Length; i++)
{
ids[i] = Random().Next();
}
DeleteSlice slice1 = queue.NewSlice();
DeleteSlice slice2 = queue.NewSlice();
BufferedUpdates bd1 = new BufferedUpdates();
BufferedUpdates bd2 = new BufferedUpdates();
int last1 = 0;
int last2 = 0;
HashSet<Term> uniqueValues = new HashSet<Term>();
for (int j = 0; j < ids.Length; j++)
{
int? i = ids[j];
// create an array here since we compare identity below against tailItem
Term[] term = new Term[] { new Term("id", i.ToString()) };
uniqueValues.Add(term[0]);
queue.AddDelete(term);
if (Random().Next(20) == 0 || j == ids.Length - 1)
{
queue.UpdateSlice(slice1);
Assert.IsTrue(slice1.IsTailItem(term));
slice1.Apply(bd1, j);
AssertAllBetween(last1, j, bd1, ids);
last1 = j + 1;
}
if (Random().Next(10) == 5 || j == ids.Length - 1)
{
queue.UpdateSlice(slice2);
Assert.IsTrue(slice2.IsTailItem(term));
slice2.Apply(bd2, j);
AssertAllBetween(last2, j, bd2, ids);
last2 = j + 1;
}
Assert.AreEqual(j + 1, queue.NumGlobalTermDeletes());
}
Assert.AreEqual(uniqueValues, bd1.Terms_Nunit().Keys);
Assert.AreEqual(uniqueValues, bd2.Terms_Nunit().Keys);
HashSet<Term> frozenSet = new HashSet<Term>();
foreach (Term t in queue.FreezeGlobalBuffer(null).TermsIterable())
{
BytesRef bytesRef = new BytesRef();
bytesRef.CopyBytes(t.Bytes());
frozenSet.Add(new Term(t.Field(), bytesRef));
}
Assert.AreEqual(uniqueValues, frozenSet);
Assert.AreEqual(0, queue.NumGlobalTermDeletes(), "num deletes must be 0 after freeze");
}
public virtual void TestStressDeleteQueue()
{
DocumentsWriterDeleteQueue queue = new DocumentsWriterDeleteQueue();
ISet <Term> uniqueValues = new JCG.HashSet <Term>();
int size = 10000 + Random.Next(500) * RANDOM_MULTIPLIER;
int?[] ids = new int?[size];
for (int i = 0; i < ids.Length; i++)
{
ids[i] = Random.Next();
uniqueValues.Add(new Term("id", ids[i].ToString()));
}
CountdownEvent latch = new CountdownEvent(1);
AtomicInt32 index = new AtomicInt32(0);
int numThreads = 2 + Random.Next(5);
UpdateThread[] threads = new UpdateThread[numThreads];
for (int i = 0; i < threads.Length; i++)
{
threads[i] = new UpdateThread(queue, index, ids, latch);
threads[i].Start();
}
latch.Signal();
for (int i = 0; i < threads.Length; i++)
{
threads[i].Join();
}
foreach (UpdateThread updateThread in threads)
{
DeleteSlice slice = updateThread.Slice;
queue.UpdateSlice(slice);
BufferedUpdates deletes = updateThread.Deletes;
slice.Apply(deletes, BufferedUpdates.MAX_INT32);
assertEquals(uniqueValues, new JCG.HashSet <Term>(deletes.terms.Keys));
}
queue.TryApplyGlobalSlice();
ISet <Term> frozenSet = new JCG.HashSet <Term>();
foreach (Term t in queue.FreezeGlobalBuffer(null).GetTermsEnumerable())
{
BytesRef bytesRef = new BytesRef();
bytesRef.CopyBytes(t.Bytes);
frozenSet.Add(new Term(t.Field, bytesRef));
}
Assert.AreEqual(0, queue.NumGlobalTermDeletes, "num deletes must be 0 after freeze");
Assert.AreEqual(uniqueValues.Count, frozenSet.Count);
assertEquals(uniqueValues, frozenSet);
}
public virtual int NumDocsInRAM => numDocsInRAM; // public for FlushPolicy
/// <summary>
/// Prepares this DWPT for flushing. this method will freeze and return the
/// <see cref="DocumentsWriterDeleteQueue"/>s global buffer and apply all pending
/// deletes to this DWPT.
/// </summary>
internal virtual FrozenBufferedUpdates PrepareFlush()
{
Debug.Assert(numDocsInRAM > 0);
FrozenBufferedUpdates globalUpdates = deleteQueue.FreezeGlobalBuffer(deleteSlice);
/* deleteSlice can possibly be null if we have hit non-aborting exceptions during indexing and never succeeded
* adding a document. */
if (deleteSlice != null)
{
// apply all deletes before we flush and release the delete slice
deleteSlice.Apply(pendingUpdates, numDocsInRAM);
Debug.Assert(deleteSlice.IsEmpty);
deleteSlice.Reset();
}
return(globalUpdates);
}
internal virtual void AddDeletes(DocumentsWriterDeleteQueue deleteQueue)
{
lock (this)
{
IncTickets(); // first inc the ticket count - freeze opens
// a window for #anyChanges to fail
bool success = false;
try
{
Queue.AddLast(new GlobalDeletesTicket(deleteQueue.FreezeGlobalBuffer(null)));
success = true;
}
finally
{
if (!success)
{
DecTickets();
}
}
}
}
internal virtual void AddDeletes(DocumentsWriterDeleteQueue deleteQueue)
{
lock (this)
{
IncTickets(); // first inc the ticket count - freeze opens
// a window for #anyChanges to fail
bool success = false;
try
{
Queue.AddLast(new GlobalDeletesTicket(deleteQueue.FreezeGlobalBuffer(null)));
success = true;
}
finally
{
if (!success)
{
DecTickets();
}
}
}
}
public virtual void TestPartiallyAppliedGlobalSlice()
{
DocumentsWriterDeleteQueue queue = new DocumentsWriterDeleteQueue();
System.Reflection.FieldInfo field = typeof(DocumentsWriterDeleteQueue).GetField("globalBufferLock",
BindingFlags.NonPublic | BindingFlags.GetField | BindingFlags.Instance);
ReentrantLock @lock = (ReentrantLock)field.GetValue(queue);
@lock.Lock();
var t = new ThreadAnonymousInnerClassHelper(this, queue);
t.Start();
t.Join();
@lock.Unlock();
Assert.IsTrue(queue.AnyChanges(), "changes in del queue but not in slice yet");
queue.TryApplyGlobalSlice();
Assert.IsTrue(queue.AnyChanges(), "changes in global buffer");
FrozenBufferedUpdates freezeGlobalBuffer = queue.FreezeGlobalBuffer(null);
Assert.IsTrue(freezeGlobalBuffer.Any());
Assert.AreEqual(1, freezeGlobalBuffer.termCount);
Assert.IsFalse(queue.AnyChanges(), "all changes applied");
}
public virtual void TestStressDeleteQueue()
{
DocumentsWriterDeleteQueue queue = new DocumentsWriterDeleteQueue();
HashSet<Term> uniqueValues = new HashSet<Term>();
int size = 10000 + Random().Next(500) * RANDOM_MULTIPLIER;
int?[] ids = new int?[size];
for (int i = 0; i < ids.Length; i++)
{
ids[i] = Random().Next();
uniqueValues.Add(new Term("id", ids[i].ToString()));
}
CountDownLatch latch = new CountDownLatch(1);
AtomicInteger index = new AtomicInteger(0);
int numThreads = 2 + Random().Next(5);
UpdateThread[] threads = new UpdateThread[numThreads];
for (int i = 0; i < threads.Length; i++)
{
threads[i] = new UpdateThread(queue, index, ids, latch);
threads[i].Start();
}
latch.countDown();
for (int i = 0; i < threads.Length; i++)
{
threads[i].Join();
}
foreach (UpdateThread updateThread in threads)
{
DeleteSlice slice = updateThread.Slice;
queue.UpdateSlice(slice);
BufferedUpdates deletes = updateThread.Deletes;
slice.Apply(deletes, BufferedUpdates.MAX_INT);
Assert.AreEqual(uniqueValues, deletes.Terms_Nunit().Keys);
}
queue.TryApplyGlobalSlice();
HashSet<Term> frozenSet = new HashSet<Term>();
foreach (Term t in queue.FreezeGlobalBuffer(null).TermsIterable())
{
BytesRef bytesRef = new BytesRef();
bytesRef.CopyBytes(t.Bytes());
frozenSet.Add(new Term(t.Field(), bytesRef));
}
Assert.AreEqual(0, queue.NumGlobalTermDeletes(), "num deletes must be 0 after freeze");
Assert.AreEqual(uniqueValues.Count, frozenSet.Count);
Assert.AreEqual(uniqueValues, frozenSet);
}
public virtual void TestPartiallyAppliedGlobalSlice()
{
DocumentsWriterDeleteQueue queue = new DocumentsWriterDeleteQueue();
System.Reflection.FieldInfo field = typeof(DocumentsWriterDeleteQueue).GetField("GlobalBufferLock",
BindingFlags.NonPublic | BindingFlags.GetField | BindingFlags.Instance);
ReentrantLock @lock = (ReentrantLock)field.GetValue(queue);
@lock.Lock();
ThreadClass t = new ThreadAnonymousInnerClassHelper(this, queue);
t.Start();
t.Join();
@lock.Unlock();
Assert.IsTrue(queue.AnyChanges(), "changes in del queue but not in slice yet");
queue.TryApplyGlobalSlice();
Assert.IsTrue(queue.AnyChanges(), "changes in global buffer");
FrozenBufferedUpdates freezeGlobalBuffer = queue.FreezeGlobalBuffer(null);
Assert.IsTrue(freezeGlobalBuffer.Any());
Assert.AreEqual(1, freezeGlobalBuffer.TermCount);
Assert.IsFalse(queue.AnyChanges(), "all changes applied");
}