private const int FlushPageInterval = 32; // max 65536 pages to write resulting in 2048 flushes per chunk
public TFChunkScavenger(TFChunkDb db, ITFChunkScavengerLog scavengerLog, ITableIndex tableIndex,
IReadIndex readIndex, long?maxChunkDataSize = null,
bool unsafeIgnoreHardDeletes = false, int threads = 1)
{
Ensure.NotNull(db, "db");
Ensure.NotNull(scavengerLog, "scavengerLog");
Ensure.NotNull(tableIndex, "tableIndex");
Ensure.NotNull(readIndex, "readIndex");
Ensure.Positive(threads, "threads");
if (threads > MaxThreadCount)
{
Log.Warning(
"{numThreads} scavenging threads not allowed. Max threads allowed for scavenging is {maxThreadCount}. Capping.",
threads, MaxThreadCount);
threads = MaxThreadCount;
}
_db = db;
_scavengerLog = scavengerLog;
_tableIndex = tableIndex;
_readIndex = readIndex;
_maxChunkDataSize = maxChunkDataSize ?? db.Config.ChunkSize;
_unsafeIgnoreHardDeletes = unsafeIgnoreHardDeletes;
_threads = threads;
}
public TFChunkScavenger(TFChunkDb db, ITFChunkScavengerLog scavengerLog, ITableIndex tableIndex, IReadIndex readIndex, long? maxChunkDataSize = null, bool unsafeIgnoreHardDeletes=false)
{
Ensure.NotNull(db, "db");
Ensure.NotNull(scavengerLog, "scavengerLog");
Ensure.NotNull(tableIndex, "tableIndex");
Ensure.NotNull(readIndex, "readIndex");
_db = db;
_scavengerLog = scavengerLog;
_tableIndex = tableIndex;
_readIndex = readIndex;
_maxChunkDataSize = maxChunkDataSize ?? db.Config.ChunkSize;
_unsafeIgnoreHardDeletes = unsafeIgnoreHardDeletes;
}
