public void StorageRecoveryShouldWorkWhenThereAreCommitedAndUncommitedTransactions2()
{
using (var env = new StorageEnvironment(StorageEnvironmentOptions.ForPath(DataDir)))
{
using (var tx = env.WriteTransaction())
{
tx.CreateTree("atree");
tx.CreateTree("btree");
tx.Commit();
}
using (var tx = env.WriteTransaction())
{
for (var i = 0; i < 10000; i++)
{
tx.CreateTree("atree").Add("a" + i, new MemoryStream());
tx.CreateTree("btree").MultiAdd("a" + i, "a" + i);
}
}
}
using (var env = new StorageEnvironment(StorageEnvironmentOptions.ForPath(DataDir)))
{
}
}
public void DataIsKeptAfterRestart_OnDisk()
{
using (var pager = StorageEnvironmentOptions.ForPath(DataDir))
{
pager.OwnsPagers = false;
using (var env = new StorageEnvironment(pager))
{
using (var tx = env.WriteTransaction())
{
var tree = tx.CreateTree("foo");
tree.Add("test/1", new MemoryStream());
tx.Commit();
}
using (var tx = env.WriteTransaction())
{
var tree = tx.CreateTree("foo");
tree.Add("test/2", new MemoryStream());
tx.Commit();
}
}
using (var env = new StorageEnvironment(pager))
{
using (var tx = env.ReadTransaction())
{
var tree = tx.CreateTree("foo");
Assert.NotNull(tree.Read("test/1"));
Assert.NotNull(tree.Read("test/2"));
tx.Commit();
}
}
}
}
public void IterationShouldNotFindAnyRecordsAndShouldNotThrowWhenNumberOfEntriesOnPageIs1AndKeyDoesNotMatch()
{
using (var env = new StorageEnvironment(StorageEnvironmentOptions.CreateMemoryOnly()))
{
using (var tx = env.WriteTransaction())
{
tx.CreateTree("tree");
tx.Commit();
}
using (var tx = env.WriteTransaction())
{
var tree = tx.ReadTree("tree");
tree.Add(@"Raven\Database\1", StreamFor("123"));
tx.Commit();
}
using (var snapshot = env.ReadTransaction())
using (var iterator = snapshot.ReadTree("tree").Iterate(false))
{
Slice v;
Slice.From(snapshot.Allocator, @"Raven\Filesystem\", out v);
Assert.False(iterator.Seek(v));
}
}
}
public void AllScratchPagesShouldBeReleased()
{
var options = StorageEnvironmentOptions.CreateMemoryOnly();
options.ManualFlushing = true;
using (var env = new StorageEnvironment(options))
{
using (var txw = env.WriteTransaction())
{
txw.CreateTree("test");
txw.Commit();
}
using (var txw = env.WriteTransaction())
{
var tree = txw.CreateTree("test");
tree.Add("key/1", new MemoryStream(new byte[100]));
tree.Add("key/1", new MemoryStream(new byte[200]));
txw.Commit();
}
env.FlushLogToDataFile(); // non read nor write transactions, so it should flush and release everything from scratch
// we keep track of the pages in scratch for one additional transaction, to avoid race
// condition with FlushLogToDataFile concurrently with new read transactions
Assert.Equal(2, env.ScratchBufferPool.GetNumberOfAllocations(0));
}
}
public void ShouldNotThrowChecksumMismatch()
{
var random = new Random(1);
var buffer = new byte[100];
random.NextBytes(buffer);
for (int i = 0; i < 100; i++)
{
buffer[i] = 13;
}
var options = StorageEnvironmentOptions.ForPath(DataDir);
using (var env = new StorageEnvironment(options))
{
using (var tx = env.WriteTransaction())
{
var tree = tx.CreateTree("foo");
for (int i = 0; i < 50; i++)
{
tree.Add("items/" + i, new MemoryStream(buffer));
}
tx.Commit();
}
using (var tx = env.WriteTransaction())
{
var tree = tx.CreateTree("foo");
for (int i = 50; i < 100; i++)
{
tree.Add("items/" + i, new MemoryStream(buffer));
}
tx.Commit();
}
}
options = StorageEnvironmentOptions.ForPath(DataDir);
using (var env = new StorageEnvironment(options))
{
using (var tx = env.ReadTransaction())
{
var tree = tx.CreateTree("foo");
for (int i = 0; i < 100; i++)
{
var readResult = tree.Read("items/" + i);
Assert.NotNull(readResult);
var memoryStream = new MemoryStream();
readResult.Reader.CopyTo(memoryStream);
Assert.Equal(memoryStream.ToArray(), buffer);
}
}
}
}
public void StorageRecoveryShouldWorkWhenThereAreMultipleCommitedTransactions2()
{
using (var env = new StorageEnvironment(StorageEnvironmentOptions.ForPath(DataDir)))
{
using (var tx = env.WriteTransaction())
{
var tree = tx.CreateTree("atree");
for (var i = 0; i < 1000; i++)
{
tree.Add("key" + i, new MemoryStream());
}
tx.Commit();
}
using (var tx = env.WriteTransaction())
{
var tree = tx.CreateTree("btree");
for (var i = 0; i < 5; i++)
{
tree.Add("key" + i, new MemoryStream());
}
tx.Commit();
}
}
using (var env = new StorageEnvironment(StorageEnvironmentOptions.ForPath(DataDir)))
{
using (var tx = env.WriteTransaction())
{
tx.CreateTree("atree");
tx.CreateTree("btree");
tx.Commit();
}
using (var tx = env.ReadTransaction())
{
var aTree = tx.CreateTree("atree");
var bTree = tx.CreateTree("btree");
for (var i = 0; i < 1000; i++)
{
Assert.NotNull(aTree.Read("key" + i));
}
for (var i = 0; i < 5; i++)
{
Assert.NotNull(bTree.Read("key" + i));
}
}
}
}
public void Initialize()
{
var transactionPersistentContext = new TransactionPersistentContext();
using (var tx = _environment.WriteTransaction(transactionPersistentContext))
{
tx.CreateTree(SubscriptionSchema.IdsTree);
_subscriptionsSchema.Create(tx, SubscriptionSchema.SubsTree, 16);
tx.Commit();
}
}
public void ShouldBeAbleToWriteValuesGreaterThanLogAndRecoverThem()
{
var random = new Random(1234);
var buffer = new byte[1024 * 512];
random.NextBytes(buffer);
var options = StorageEnvironmentOptions.ForPath(DataDir);
options.MaxLogFileSize = 10 * Constants.Storage.PageSize;
using (var env = new StorageEnvironment(options))
{
using (var tx = env.WriteTransaction())
{
tx.CreateTree("tree");
tx.Commit();
}
using (var tx = env.WriteTransaction())
{
tx.CreateTree("tree").Add("key1", new MemoryStream(buffer));
tx.Commit();
}
}
options = StorageEnvironmentOptions.ForPath(DataDir);
options.MaxLogFileSize = 10 * Constants.Storage.PageSize;
using (var env = new StorageEnvironment(options))
{
using (var tx = env.WriteTransaction())
{
tx.CreateTree("tree");
tx.Commit();
}
using (var tx = env.ReadTransaction())
{
var read = tx.CreateTree("tree").Read("key1");
Assert.NotNull(read);
{
Assert.Equal(buffer.Length, read.Reader.Length);
var bytes = read.Reader.ReadBytes(read.Reader.Length);
Assert.Equal(buffer, bytes.Array.Skip(bytes.Offset).Take(bytes.Count).ToArray());
}
}
}
}
public void ShouldOccupyLessSpace(int seed)
{
var r = new Random(seed);
var storageEnvironmentOptions = StorageEnvironmentOptions.ForPath(DataDir);
storageEnvironmentOptions.ManualFlushing = true;
using (var env = new StorageEnvironment(storageEnvironmentOptions))
{
using (var tx = env.WriteTransaction())
{
var tree = tx.CreateTree("records");
for (int i = 0; i < 100; i++)
{
var bytes = new byte[r.Next(10, 2 * 1024 * 1024)];
r.NextBytes(bytes);
tree.Add("record/" + i, bytes);
}
tx.Commit();
}
using (var tx = env.WriteTransaction())
{
var tree = tx.CreateTree("records");
for (int i = 0; i < 50; i++)
{
tree.Delete("record/" + r.Next(0, 100));
}
tx.Commit();
}
env.FlushLogToDataFile();
}
var oldSize = GetDirSize(new DirectoryInfo(DataDir));
storageEnvironmentOptions = StorageEnvironmentOptions.ForPath(DataDir);
storageEnvironmentOptions.ManualFlushing = true;
var compactedData = Path.Combine(DataDir, "Compacted");
StorageCompaction.Execute(storageEnvironmentOptions,
(StorageEnvironmentOptions.DirectoryStorageEnvironmentOptions)StorageEnvironmentOptions.ForPath(compactedData));
var newSize = GetDirSize(new DirectoryInfo(compactedData));
Assert.True(newSize < oldSize, string.Format("Old size: {0:#,#;;0} MB, new size {1:#,#;;0} MB", oldSize / 1024 / 1024, newSize / 1024 / 1024));
}
private void CreateAndPopulateTree(bool startWithBigTx)
{
using (var env = new StorageEnvironment(ModifyOptions(StorageEnvironmentOptions.ForPath(DataDir), manualFlushing: true)))
{
using (var tx = env.WriteTransaction())
{
tx.CreateTree("items");
tx.Commit();
}
if (startWithBigTx)
{
// tx with size bigger than MaxLogFileSize
using (var tx = env.WriteTransaction())
{
var bytes = new byte[9 * 1024 * 1024];
new Random().NextBytes(bytes);
var tree = tx.ReadTree("items");
tree.Add("items/" + 0, bytes);
tx.Commit();
}
}
using (var tx = env.WriteTransaction())
{
var bytes = new byte[1024];
new Random().NextBytes(bytes);
var tree = tx.ReadTree("items");
tree.Add("items/" + 1, bytes);
tx.Commit();
}
// tx with size bigger than MaxLogFileSize
using (var tx = env.WriteTransaction())
{
var bytes = new byte[9 * 1024 * 1024];
new Random().NextBytes(bytes);
var tree = tx.ReadTree("items");
tree.Add("items/" + 322, bytes);
tx.Commit();
}
}
}
public unsafe void ShouldNotHappen()
{
using (var env = new StorageEnvironment(StorageEnvironmentOptions.CreateMemoryOnly()))
{
using (var tx = env.WriteTransaction())
{
tx.CreateTree("Fields");
tx.CreateTree("Options");
_entriesSchema.Create(tx, "IndexEntries", 16);
tx.Commit();
}
using (var tx = env.WriteTransaction())
{
var options = tx.CreateTree("Options");
var entries = tx.OpenTable(_entriesSchema, "IndexEntries");
for (int i = 0; i < 10; i++)
{
var assembly = typeof(DuplicatePageUsage).GetTypeInfo().Assembly;
fixed(byte *buffer = new byte[1024])
using (var fs = assembly.GetManifestResourceStream("SlowTests.Data.places.txt"))
using (var reader = new StreamReader(fs))
{
string readLine;
while ((readLine = reader.ReadLine()) != null)
{
var strings = readLine.Split(',');
var id = long.Parse(strings[0]);
var size = int.Parse(strings[1]);
entries.Set(new TableValueBuilder
{
{ (byte *)&id, sizeof(int) },
{ buffer, size }
});
//Console.WriteLine($"{id} {readLine.Length + 55}");
}
}
}
var val = long.MaxValue / 2;
Slice key, v;
Slice.From(tx.Allocator, "LastEntryId", out key);
Slice.From(tx.Allocator, (byte *)&val, sizeof(long), out v);
options.Add(key, v);
tx.Commit();
}
}
}
public void PageSplitterShouldCalculateSeparatorKeyCorrectly2()
{
var ids = ReadIds("data2.txt");
StorageEnvironmentOptions storageEnvironmentOptions = StorageEnvironmentOptions.CreateMemoryOnly();
storageEnvironmentOptions.MaxScratchBufferSize *= 2;
using (var env = new StorageEnvironment(storageEnvironmentOptions))
{
var rand = new Random();
var testBuffer = new byte[69];
rand.NextBytes(testBuffer);
var trees = CreateTrees(env, 1, "tree");
foreach (var id in ids)
{
using (var tx = env.WriteTransaction())
{
foreach (var treeName in trees)
{
var tree = tx.CreateTree(treeName);
tree.Add(id, new MemoryStream(testBuffer));
}
tx.Commit();
}
}
ValidateRecords(env, trees, ids);
}
}
public void Cleanup()
{
if (_recycleArea.Count == 0 && _scratchBuffers.Count == 1)
{
return;
}
long txIdAllowingToReleaseOldScratches = -1;
// ReSharper disable once LoopCanBeConvertedToQuery
foreach (var scratchBufferItem in _scratchBuffers)
{
if (scratchBufferItem.Value == _current)
{
continue;
}
txIdAllowingToReleaseOldScratches = Math.Max(txIdAllowingToReleaseOldScratches,
scratchBufferItem.Value.File.TxIdAfterWhichLatestFreePagesBecomeAvailable);
}
while (_env.CurrentReadTransactionId <= txIdAllowingToReleaseOldScratches)
{
// we've just flushed and had no more writes after that, let us bump id of next read transactions to ensure
// that nobody will attempt to read old scratches so we will be able to release more files
try
{
using (var tx = _env.NewLowLevelTransaction(new TransactionPersistentContext(),
TransactionFlags.ReadWrite, timeout: TimeSpan.FromMilliseconds(500)))
{
tx.ModifyPage(0);
tx.Commit();
}
}
catch (TimeoutException)
{
break;
}
catch (DiskFullException)
{
break;
}
}
// we need to ensure that no access to _recycleArea and _scratchBuffers will take place in the same time
// and only methods that access this are used within write transaction
try
{
using (_env.WriteTransaction())
{
RemoveInactiveScratches(_current);
RemoveInactiveRecycledScratches();
}
}
catch (TimeoutException)
{
}
}
public void Initialize(StorageEnvironment environment)
{
if (_initialized)
{
throw new InvalidOperationException();
}
TempFileCache = new TempFileCache(environment.Options);
environment.NewTransactionCreated += SetStreamCacheInTx;
using (var tx = environment.WriteTransaction())
{
InitializeMainIndexStorage(tx, environment);
InitializeSuggestionsIndexStorage(tx, environment);
BuildStreamCacheAfterTx(tx);
// force tx commit so it will bump tx counter and just created searcher holder will have valid tx id
tx.LowLevelTransaction.ModifyPage(0);
tx.Commit();
}
_initialized = true;
}
public void Initialize(StorageEnvironment environment)
{
if (_initialized)
{
throw new InvalidOperationException();
}
_directory = new LuceneVoronDirectory(environment);
using (var tx = environment.WriteTransaction())
{
using (_directory.SetTransaction(tx))
{
CreateIndexStructure();
RecreateSearcher(tx);
// force tx commit so it will bump tx counter and just created searcher holder will have valid tx id
tx.LowLevelTransaction.ModifyPage(0);
}
tx.Commit();
}
_initialized = true;
}
public void CannotCompactStorageIfIncrementalBackupEnabled()
{
var envOptions = StorageEnvironmentOptions.ForPath(DataDir);
envOptions.IncrementalBackupEnabled = true;
using (var env = new StorageEnvironment(envOptions))
{
using (var tx = env.WriteTransaction())
{
var tree = tx.CreateTree("records");
tree.Add("record/1", new byte[9]);
tree.Add("record/2", new byte[9]);
tx.Commit();
}
}
var srcOptions = StorageEnvironmentOptions.ForPath(DataDir);
srcOptions.IncrementalBackupEnabled = true;
var invalidOperationException = Assert.Throws <InvalidOperationException>(() => StorageCompaction.Execute(srcOptions,
(StorageEnvironmentOptions.DirectoryStorageEnvironmentOptions)StorageEnvironmentOptions.ForPath(Path.Combine(DataDir, "Compacted"))));
Assert.Equal(StorageCompaction.CannotCompactBecauseOfIncrementalBackup, invalidOperationException.Message);
}
public void ShouldNotReuseRecycledJournalIfItExceedMaxLogFileSizeOnBigTxSize()
{
CreateAndPopulateTree(startWithBigTx: true);
// restart
using (var env = new StorageEnvironment(ModifyOptions(StorageEnvironmentOptions.ForPath(DataDir), manualFlushing: false)))
{
var journalPath = env.Options.JournalPath.FullPath;
var journalsCount = new DirectoryInfo(journalPath).GetFiles().Length;
Assert.True(SpinWait.SpinUntil(() => new DirectoryInfo(journalPath).GetFiles($"{StorageEnvironmentOptions.RecyclableJournalFileNamePrefix}*").Length == journalsCount,
TimeSpan.FromSeconds(30)));
using (var tx = env.WriteTransaction())
{
var bytes = new byte[8 * 1024 * 1024];
new Random().NextBytes(bytes);
var tree = tx.ReadTree("items");
tree.Add("items/" + 2, bytes);
tx.Commit();
}
Assert.True(SpinWait.SpinUntil(() => new DirectoryInfo(journalPath).GetFiles($"{StorageEnvironmentOptions.RecyclableJournalFileNamePrefix}*").Length == 2,
TimeSpan.FromSeconds(30)));
Assert.Equal(1, new DirectoryInfo(journalPath).GetFiles("000000000000000000*.journal").Length);
Assert.Equal(3, new DirectoryInfo(journalPath).GetFiles().Length);
}
}
public void ShouldWork()
{
using (var env = new StorageEnvironment(StorageEnvironmentOptions.CreateMemoryOnly()))
{
using (var tx = env.WriteTransaction())
{
var s = new string('0', 500);
var tree = tx.CreateTree("data");
for (int i = 0; i < 10; i++)
{
tree.Add("users-" + i + "-" + s, new byte[0]);
}
tx.Commit();
}
using (var tx = env.ReadTransaction())
{
var tree = tx.ReadTree("data");
using (var it = tree.Iterate(false))
{
Slice key;
Slice.From(tx.Allocator, "users-7", out key);
Assert.True(it.Seek(key));
for (int i = 0; i < 10; i++)
{
Slice.From(tx.Allocator, "users-" + i, out key);
Assert.True(it.Seek(key), i.ToString());
}
}
}
}
}
private static long CopyFixedSizeTrees(StorageEnvironment compactedEnv, Action <StorageCompactionProgress> progressReport, Transaction txr,
TreeIterator rootIterator, string treeName, long copiedTrees, long totalTreesCount, TransactionPersistentContext context, CancellationToken token)
{
var treeNameSlice = rootIterator.CurrentKey.Clone(txr.Allocator);
var header = (FixedSizeTreeHeader.Embedded *)txr.LowLevelTransaction.RootObjects.DirectRead(treeNameSlice);
var fst = txr.FixedTreeFor(treeNameSlice, header->ValueSize);
Report(copiedTrees, totalTreesCount, 0, fst.NumberOfEntries, progressReport, $"Copying fixed size tree '{treeName}'. Progress: 0/{fst.NumberOfEntries} entries.", treeName);
using (var it = fst.Iterate())
{
var copiedEntries = 0L;
if (it.Seek(Int64.MinValue) == false)
{
return(copiedTrees);
}
do
{
token.ThrowIfCancellationRequested();
using (var txw = compactedEnv.WriteTransaction(context))
{
var snd = txw.FixedTreeFor(treeNameSlice, header->ValueSize);
var transactionSize = 0L;
do
{
token.ThrowIfCancellationRequested();
Slice val;
using (it.Value(out val))
snd.Add(it.CurrentKey, val);
transactionSize += fst.ValueSize + sizeof(long);
copiedEntries++;
var reportRate = fst.NumberOfEntries / 33 + 1;
if (copiedEntries % reportRate == 0)
{
Report(copiedTrees, totalTreesCount, copiedEntries, fst.NumberOfEntries, progressReport, $"Copying fixed size tree '{treeName}'. Progress: {copiedEntries}/{fst.NumberOfEntries} entries.", treeName);
}
} while (transactionSize < compactedEnv.Options.MaxScratchBufferSize / 2 && it.MoveNext());
txw.Commit();
}
if (fst.NumberOfEntries == copiedEntries)
{
copiedTrees++;
Report(copiedTrees, totalTreesCount, copiedEntries, fst.NumberOfEntries, progressReport, $"Finished copying fixed size tree '{treeName}'. Progress: {copiedEntries}/{fst.NumberOfEntries} entries.", treeName);
}
compactedEnv.FlushLogToDataFile();
} while (it.MoveNext());
}
return(copiedTrees);
}
public void OldestActiveTransactionShouldBeCalculatedProperly()
{
using (var options = StorageEnvironmentOptions.CreateMemoryOnly())
{
options.ManualFlushing = true;
using (var env = new StorageEnvironment(options))
{
var trees = CreateTrees(env, 1, "tree");
var transactions = new List <Transaction>();
for (int a = 0; a < 100; a++)
{
var random = new Random(1337);
var buffer = new byte[random.Next(100, 1000)];
random.NextBytes(buffer);
using (var tx = env.WriteTransaction())
{
for (int i = 0; i < 100; i++)
{
foreach (var tree in trees)
{
tx.CreateTree(tree).Add(string.Format("key/{0}/{1}", a, i), new MemoryStream(buffer));
}
}
var txr = env.ReadTransaction();
transactions.Add(txr);
tx.Commit();
}
env.FlushLogToDataFile();
}
Assert.Equal(transactions.OrderBy(x => x.LowLevelTransaction.Id).First().LowLevelTransaction.Id, env.ActiveTransactions.OldestTransaction);
foreach (var tx in transactions)
{
foreach (var tree in trees)
{
using (var iterator = tx.CreateTree(tree).Iterate(false))
{
if (!iterator.Seek(Slices.BeforeAllKeys))
{
continue;
}
do
{
Assert.Contains("key/", iterator.CurrentKey.ToString());
} while (iterator.MoveNext());
}
}
}
}
}
}
public void MultiAdds_And_MultiDeletes_After_Causing_PageSplit_DoNot_Fail(int size)
{
using (var Env = new StorageEnvironment(StorageEnvironmentOptions.CreateMemoryOnly()))
{
var inputData = new List <byte[]>();
for (int i = 0; i < size; i++)
{
inputData.Add(Encoding.UTF8.GetBytes(RandomString(1024)));
}
using (var tx = Env.WriteTransaction())
{
tx.CreateTree("foo");
tx.Commit();
}
using (var tx = Env.WriteTransaction())
{
var tree = tx.CreateTree("foo");
foreach (var buffer in inputData)
{
Slice key;
Slice.From(tx.Allocator, buffer, out key);
tree.MultiAdd("ChildTreeKey", key);
}
tx.Commit();
}
using (var tx = Env.WriteTransaction())
{
var tree = tx.CreateTree("foo");
for (int i = 0; i < inputData.Count; i++)
{
var buffer = inputData[i];
Slice key;
Slice.From(tx.Allocator, buffer, out key);
tree.MultiDelete("ChildTreeKey", key);
}
tx.Commit();
}
}
}
public void MultipleTxPagesCanPointToOnePageNumberWhichShouldNotBeCausingIssuesDuringFlushing()
{
var options = StorageEnvironmentOptions.CreateMemoryOnly();
options.ManualFlushing = true;
using (var env = new StorageEnvironment(options))
{
var trees = CreateTrees(env, 2, "tree");
var tree1 = trees[0];
var tree2 = trees[1];
using (var tx = env.WriteTransaction())
{
var t1 = tx.ReadTree(tree1);
t1.MultiAdd("key", "value/1");
t1.MultiAdd("key", "value/2");
tx.Commit();
}
using (var tx = env.WriteTransaction())
{
var t1 = tx.ReadTree(tree1);
var t2 = tx.ReadTree(tree2);
var buffer = new byte[1000];
t1.MultiDelete("key", "value/1");
t1.MultiDelete("key", "value/2");
t2.Add("key/1", new MemoryStream(buffer));
t2.Add("key/2", new MemoryStream(buffer));
t2.Add("key/3", new MemoryStream(buffer));
t2.Add("key/4", new MemoryStream(buffer));
t2.Add("key/5", new MemoryStream(buffer));
tx.Commit();
}
env.FlushLogToDataFile();
}
}
public LuceneVoronDirectory(StorageEnvironment environment)
{
_environment = environment;
base.SetLockFactory(NoLockFactory.Instance);
using (var tx = _environment.WriteTransaction())
{
tx.CreateTree("Files");
tx.Commit();
}
}
public void SurviveRestart()
{
using (var options = StorageEnvironmentOptions.CreateMemoryOnly())
{
options.OwnsPagers = false;
using (var env = new StorageEnvironment(options))
{
using (var tx = env.WriteTransaction())
{
tx.CreateTree("events");
tx.Commit();
}
using (var tx = env.WriteTransaction())
{
tx.CreateTree("events").Add("test", new MemoryStream(0));
tx.Commit();
}
}
using (var env = new StorageEnvironment(options))
{
using (var tx = env.WriteTransaction())
{
tx.CreateTree("events");
tx.Commit();
}
using (var tx = env.WriteTransaction())
{
var tree = tx.CreateTree("events");
var readResult = tree.Read("test");
Assert.NotNull(readResult);
tx.Commit();
}
}
}
}
private static string Write(StorageEnvironment env, int i)
{
using (var txw = env.WriteTransaction())
{
var key = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + i.ToString("D2");
txw.ReadTree("tree0").MultiAdd("key/1", key);
txw.Commit();
return(key);
}
}
public void ShouldReportProgress()
{
using (var env = new StorageEnvironment(StorageEnvironmentOptions.ForPath(DataDir)))
{
using (var tx = env.WriteTransaction())
{
var tree = tx.CreateTree("fruits");
tree.Add("apple", new byte[123]);
tree.Add("orange", new byte[99]);
var tree2 = tx.CreateTree("vegetables");
tree2.Add("carrot", new byte[123]);
tree2.Add("potato", new byte[99]);
var tree3 = tx.CreateTree("multi");
tree3.MultiAdd("fruits", "apple");
tree3.MultiAdd("fruits", "orange");
tree3.MultiAdd("vegetables", "carrot");
tree3.MultiAdd("vegetables", "carrot");
tx.Commit();
}
}
var progressReport = new List <string>();
StorageCompaction.Execute(StorageEnvironmentOptions.ForPath(DataDir),
(StorageEnvironmentOptions.DirectoryStorageEnvironmentOptions)StorageEnvironmentOptions.ForPath(Path.Combine(DataDir, "Compacted")),
x => progressReport.Add($"Copied {x.ObjectProgress} of {x.ObjectTotal} records in '{x.ObjectName}' tree. Copied {x.GlobalProgress} of {x.GlobalTotal} trees."));
Assert.NotEmpty(progressReport);
var lines = new[]
{
"Copied 0 of 2 records in '$Database-Metadata' tree. Copied 0 of 4 trees.",
"Copied 2 of 2 records in '$Database-Metadata' tree. Copied 1 of 4 trees.",
"Copied 0 of 2 records in 'fruits' tree. Copied 1 of 4 trees.",
"Copied 2 of 2 records in 'fruits' tree. Copied 2 of 4 trees.",
"Copied 0 of 2 records in 'multi' tree. Copied 2 of 4 trees.",
"Copied 2 of 2 records in 'multi' tree. Copied 3 of 4 trees.",
"Copied 0 of 2 records in 'vegetables' tree. Copied 3 of 4 trees.",
"Copied 2 of 2 records in 'vegetables' tree. Copied 4 of 4 trees."
};
foreach (var line in lines)
{
Assert.Contains(line, lines);
}
}
public void ShouldReportProgress()
{
using (var env = new StorageEnvironment(StorageEnvironmentOptions.ForPath(DataDir)))
{
using (var tx = env.WriteTransaction())
{
var tree = tx.CreateTree("fruits");
tree.Add("apple", new byte[123]);
tree.Add("orange", new byte[99]);
var tree2 = tx.CreateTree("vegetables");
tree2.Add("carrot", new byte[123]);
tree2.Add("potato", new byte[99]);
var tree3 = tx.CreateTree("multi");
tree3.MultiAdd("fruits", "apple");
tree3.MultiAdd("fruits", "orange");
tree3.MultiAdd("vegetables", "carrot");
tree3.MultiAdd("vegetables", "carrot");
tx.Commit();
}
}
var progressReport = new List <string>();
StorageCompaction.Execute(StorageEnvironmentOptions.ForPath(DataDir),
(StorageEnvironmentOptions.DirectoryStorageEnvironmentOptions)StorageEnvironmentOptions.ForPath(Path.Combine(DataDir, "Compacted")),
x => progressReport.Add($"{x.Message} ({x.TreeName} - {x.TreeProgress}/{x.TreeTotal}). Copied {x.GlobalProgress} of {x.GlobalTotal} trees."));
Assert.NotEmpty(progressReport);
var lines = new[]
{
"Copying variable size tree ($Database-Metadata - 0/2). Copied 0 of 4 trees.",
"Copied variable size tree ($Database-Metadata - 2/2). Copied 1 of 4 trees.",
"Copying variable size tree (fruits - 0/2). Copied 1 of 4 trees.",
"Copied variable size tree (fruits - 2/2). Copied 2 of 4 trees.",
"Copying variable size tree (multi - 0/2). Copied 2 of 4 trees.",
"Copied variable size tree (multi - 2/2). Copied 3 of 4 trees.",
"Copying variable size tree (vegetables - 0/2). Copied 3 of 4 trees.",
"Copied variable size tree (vegetables - 2/2). Copied 4 of 4 trees."
};
foreach (var line in lines)
{
Assert.Contains(line, progressReport);
}
}
public void Initialize(StorageEnvironment environment, TransactionContextPool contextPool)
{
_environment = environment;
_contextPool = contextPool;
using (_contextPool.AllocateOperationContext(out TransactionOperationContext context))
using (var tx = _environment.WriteTransaction(context.PersistentContext))
{
tx.CreateTree(OperationsTree);
tx.Commit();
}
}
public void DataIsKeptAfterRestartForSubTrees()
{
using (var pureMemoryPager = StorageEnvironmentOptions.CreateMemoryOnly())
{
pureMemoryPager.OwnsPagers = false;
using (var env = new StorageEnvironment(pureMemoryPager))
{
using (var tx = env.WriteTransaction())
{
tx.CreateTree("test");
tx.Commit();
}
using (var tx = env.WriteTransaction())
{
var tree = tx.CreateTree("test");
tree.Add("test", Stream.Null);
tx.Commit();
Assert.NotNull(tree.Read("test"));
}
}
using (var env = new StorageEnvironment(pureMemoryPager))
{
using (var tx = env.WriteTransaction())
{
var tree = tx.CreateTree("test");
tx.Commit();
}
using (var tx = env.ReadTransaction())
{
var tree = tx.CreateTree("test");
Assert.NotNull(tree.Read("test"));
tx.Commit();
}
}
}
}
public void Initialize(StorageEnvironment environment, TransactionContextPool contextPool)
{
_environment = environment;
_contextPool = contextPool;
using (contextPool.AllocateOperationContext(out TransactionOperationContext context))
using (var tx = _environment.WriteTransaction(context.PersistentContext))
{
_databaseInfoSchema.Create(tx, DatabaseInfoSchema.DatabaseInfoTree, 16);
tx.Commit();
}
}
