public static CellarSize EstimateSize(Tx tx)
{
var chunkCount = 0;
var diskSize = 0L;
var byteSize = 0L;
var records = 0L;
foreach (var pair in Lmdb.ListChunks(tx))
{
chunkCount += 1;
var dto = pair.Value;
diskSize += dto.GetCompressedDiskSize();
byteSize += dto.GetUncompressedByteSize();
records += dto.GetChunkRecords();
}
var buffer = Lmdb.GetBuffer(tx, 0);
if (buffer != null)
{
diskSize += buffer.GetBufferMaxBytes();
byteSize += buffer.GetBufferPos();
records += buffer.GetBufferRecords();
}
return(new CellarSize(chunkCount, diskSize, byteSize, records));
}
void LoadData()
{
if (!Directory.Exists(_folder))
{
return;
}
using (var env = LmdbEnv.CreateDb(_folder, 1024 * 1024, EnvironmentOpenFlags.ReadOnly)) {
using (var tx = env.Read()) {
_chunks = Lmdb.ListChunks(tx).Select(c => c.Value).ToArray();
_buffer = Lmdb.GetBuffer(tx, 0);
_cellar = Lmdb.GetCellarMeta(tx, 0, new Lmdb.CellarDto());
ByteSize = Cellar.EstimateSize(tx).ByteSize;
}
}
_maxKeySize = _cellar.GetCellarMaxKeySize();
_maxValueSize = _cellar.GetCellarMaxValSize();
}
