public ScavengeResult Scavenge <TStreamId>(Guid toScavenge, CancellationToken ct,
Func <TStreamId, ulong, ulong> upgradeHash,
Func <IndexEntry, bool> existsAt,
Func <IndexEntry, Tuple <TStreamId, bool> > recordExistsAt,
IIndexFilenameProvider filenameProvider,
byte version,
int indexCacheDepth = 16,
bool skipIndexVerify = false,
bool useBloomFilter = true,
int lruCacheSize = 1_000_000)
{
var scavengedMap = CopyFrom(_map);
for (int level = 0; level < scavengedMap.Count; level++)
{
for (int i = 0; i < scavengedMap[level].Count; i++)
{
if (scavengedMap[level][i].Id == toScavenge)
{
long spaceSaved;
var filename = filenameProvider.GetFilenameNewTable();
var oldTable = scavengedMap[level][i];
PTable scavenged = PTable.Scavenged(oldTable, filename, upgradeHash, existsAt, recordExistsAt,
version, out spaceSaved, ESConsts.PTableInitialReaderCount, _pTableMaxReaderCount, indexCacheDepth, skipIndexVerify, useBloomFilter, lruCacheSize, ct);
if (scavenged == null)
{
return(ScavengeResult.Failed(oldTable, level, i));
}
scavengedMap[level][i] = scavenged;
var indexMap = new IndexMap(Version, scavengedMap, PrepareCheckpoint, CommitCheckpoint,
_maxTablesPerLevel, _maxTableLevelsForAutomaticMerge, _pTableMaxReaderCount);
return(ScavengeResult.Success(indexMap, oldTable, scavenged, spaceSaved, level, i));
}
}
}
throw new ArgumentException("Unable to find table in map.", nameof(toScavenge));
}
public ScavengeResult Scavenge(Guid toScavenge, CancellationToken ct,
Func <string, ulong, ulong> upgradeHash,
Func <IndexEntry, bool> existsAt,
Func <IndexEntry, Tuple <string, bool> > recordExistsAt,
IIndexFilenameProvider filenameProvider,
byte version,
int indexCacheDepth = 16,
bool skipIndexVerify = false)
{
var scavengedMap = CopyFrom(_map);
for (int level = 0; level < scavengedMap.Count; level++)
{
for (int i = 0; i < scavengedMap[level].Count; i++)
{
if (scavengedMap[level][i].Id == toScavenge)
{
long spaceSaved;
var filename = filenameProvider.GetFilenameNewTable();
var oldTable = scavengedMap[level][i];
PTable scavenged = PTable.Scavenged(oldTable, filename, upgradeHash, existsAt, recordExistsAt, version, out spaceSaved, indexCacheDepth, skipIndexVerify, ct);
if (scavenged == null)
{
return(ScavengeResult.Failed(oldTable, level, i));
}
scavengedMap[level][i] = scavenged;
var indexMap = new IndexMap(Version, scavengedMap, PrepareCheckpoint, CommitCheckpoint, _maxTablesPerLevel);
return(ScavengeResult.Success(indexMap, oldTable, scavenged, spaceSaved, level, i));
}
}
}
throw new ArgumentException("Unable to find table in map.", nameof(toScavenge));
}
