public virtual void TestCorruptionAfterDiskFullDuringMerge()
{
MockDirectoryWrapper dir = NewMockDirectory();
//IndexWriter w = new IndexWriter(dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).setReaderPooling(true));
IndexWriter w = new IndexWriter(dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random())).SetMergeScheduler(new SerialMergeScheduler()).SetReaderPooling(true).SetMergePolicy(NewLogMergePolicy(2)));
// we can do this because we add/delete/add (and dont merge to "nothing")
w.KeepFullyDeletedSegments = true;
Document doc = new Document();
doc.Add(NewTextField("f", "doctor who", Field.Store.NO));
w.AddDocument(doc);
w.Commit();
w.DeleteDocuments(new Term("f", "who"));
w.AddDocument(doc);
// disk fills up!
FailTwiceDuringMerge ftdm = new FailTwiceDuringMerge();
ftdm.SetDoFail();
dir.FailOn(ftdm);
try
{
w.Commit();
Assert.Fail("fake disk full IOExceptions not hit");
}
#pragma warning disable 168
catch (IOException ioe)
#pragma warning restore 168
{
// expected
Assert.IsTrue(ftdm.DidFail1 || ftdm.DidFail2);
}
TestUtil.CheckIndex(dir);
ftdm.ClearDoFail();
w.AddDocument(doc);
w.Dispose();
dir.Dispose();
}
public virtual void TestCorruptionAfterDiskFullDuringMerge()
{
MockDirectoryWrapper dir = NewMockDirectory();
//IndexWriter w = new IndexWriter(dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).setReaderPooling(true));
IndexWriter w = new IndexWriter(dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random())).SetMergeScheduler(new SerialMergeScheduler()).SetReaderPooling(true).SetMergePolicy(NewLogMergePolicy(2)));
// we can do this because we add/delete/add (and dont merge to "nothing")
w.KeepFullyDeletedSegments = true;
Document doc = new Document();
doc.Add(NewTextField("f", "doctor who", Field.Store.NO));
w.AddDocument(doc);
w.Commit();
w.DeleteDocuments(new Term("f", "who"));
w.AddDocument(doc);
// disk fills up!
FailTwiceDuringMerge ftdm = new FailTwiceDuringMerge();
ftdm.SetDoFail();
dir.FailOn(ftdm);
try
{
w.Commit();
Assert.Fail("fake disk full IOExceptions not hit");
}
catch (IOException ioe)
{
// expected
Assert.IsTrue(ftdm.DidFail1 || ftdm.DidFail2);
}
TestUtil.CheckIndex(dir);
ftdm.ClearDoFail();
w.AddDocument(doc);
w.Dispose();
dir.Dispose();
}
public void TestCorruptionAfterDiskFullDuringMerge()
{
MockRAMDirectory dir = new MockRAMDirectory();
dir.SetPreventDoubleWrite(false);
IndexWriter w = new IndexWriter(dir, new WhitespaceAnalyzer(), IndexWriter.MaxFieldLength.UNLIMITED);
w.SetMergeScheduler(new SerialMergeScheduler());
((LogMergePolicy)w.GetMergePolicy()).SetMergeFactor(2);
Document doc = new Document();
doc.Add(new Field("f", "doctor who", Field.Store.YES, Field.Index.ANALYZED));
w.AddDocument(doc);
w.Commit();
w.DeleteDocuments(new Term("f", "who"));
w.AddDocument(doc);
// disk fills up!
FailTwiceDuringMerge ftdm = new FailTwiceDuringMerge();
ftdm.SetDoFail();
dir.FailOn(ftdm);
try
{
w.Commit();
Assert.Fail("fake disk full IOExceptions not hit");
}
catch (System.IO.IOException ioe)
{
// expected
Assert.IsTrue(ftdm.didFail1 || ftdm.didFail2);
}
_TestUtil.CheckIndex(dir);
ftdm.ClearDoFail();
w.AddDocument(doc);
w.Close();
_TestUtil.CheckIndex(dir);
dir.Close();
}
