public void TestSetConcurrent(int concurrency)
{
int j = 0;
using (var db = new PlaneDB(new DirectoryInfo("testdb"), FileMode.CreateNew,
planeDBOptions.UsingTableSpace(concurrency.ToString()))) {
void Adder()
{
int i;
while ((i = Interlocked.Increment(ref j)) < COUNT)
{
var k = Encoding.UTF8.GetBytes(i.ToString());
var v = Encoding.UTF8.GetBytes(i.ToString() + i + i + i + i);
db[k] = v;
}
}
var threads = Enumerable.Range(0, concurrency).Select(_ => new Thread(Adder)).ToArray();
foreach (var thread in threads)
{
thread.Start();
}
foreach (var thread in threads)
{
thread.Join();
}
}
j = 0;
using (var db = new PlaneDB(new DirectoryInfo("testdb"), FileMode.Open,
planeDBOptions.UsingTableSpace(concurrency.ToString()))) {
void Reader()
{
int i;
while ((i = Interlocked.Increment(ref j)) < COUNT)
{
var k = Encoding.UTF8.GetBytes(i.ToString());
var v = Encoding.UTF8.GetString(db[k]);
Assert.AreEqual(v, i.ToString() + i + i + i + i);
}
}
var threads = Enumerable.Range(0, concurrency).Select(_ => new Thread(Reader)).ToArray();
foreach (var thread in threads)
{
thread.Start();
}
foreach (var thread in threads)
{
thread.Join();
}
}
}
public override void Execute()
{
var popts = new PlaneDBOptions().DisableJournal().WithBlockCacheCapacity(2_048);
if (!string.IsNullOrEmpty(Owner.Passphrase))
{
popts = popts.EnableEncryption(Owner.Passphrase);
}
else if (Owner.Compressed)
{
popts = popts.EnableCompression();
}
if (DB == null || DB.Length != 1)
{
throw new GetOptException("No database specified");
}
var db = DB[0];
if (!string.IsNullOrEmpty(Owner.Tablespace))
{
InfoOne(db, popts.UsingTableSpace(Owner.Tablespace));
}
else if (AllTablespaces)
{
foreach (var tableSpace in Options.GetTableSpaces(db))
{
InfoOne(db, popts.UsingTableSpace(tableSpace));
}
}
else
{
InfoOne(db, popts);
}
}
public override void Execute()
{
var popts = new PlaneDBOptions().DisableJournal();
if (!string.IsNullOrEmpty(Owner.Passphrase))
{
popts = popts.EnableEncryption(Owner.Passphrase);
}
else if (Owner.Compressed)
{
popts = popts.EnableCompression();
}
if (!string.IsNullOrEmpty(Owner.Tablespace))
{
popts = popts.UsingTableSpace(Owner.Tablespace);
}
if (From == null)
{
throw new GetOptException("No from");
}
if (To == null)
{
throw new GetOptException("No to");
}
using var rocks = RocksDb.OpenReadOnly(new DbOptions(), From.FullName, false);
using var plane = new PlaneDB(To, FileMode.OpenOrCreate, popts);
plane.OnFlushMemoryTable += (_, __) => Console.WriteLine("Flushed memory table");
plane.OnMergedTables += (_, __) => Console.WriteLine("Merged tables");
plane.Clear();
var iter = rocks.NewIterator();
plane.MassInsert(() => CopyFromRocks(plane, iter));
Console.WriteLine($"{copyCount:N0} entries copied in total");
}
