public WriteLog(int shardId, string databaseDir, MetaStoreOptions options, long directoryEntriesBytes, ILogger logger)
{
this.shardId = shardId;
this.databaseDir = databaseDir;
this.options = options;
this.logger = logger;
this.directoryEntriesBytes = directoryEntriesBytes;
}
public MetaStore(MetaStoreOptions options, HybridCacheOptions cacheOptions, ILogger logger)
{
if (options.Shards <= 0 || options.Shards > 2048)
{
throw new ArgumentException("Shards must be between 1 and 2048");
}
var pathBuilder =
new HashBasedPathBuilder(cacheOptions.PhysicalCacheDir, cacheOptions.Subfolders, '/', ".jpg");
var directoryEntriesBytes = pathBuilder.GetDirectoryEntriesBytesTotal() + CleanupManager.DirectoryEntrySize();
var shardCount = options.Shards;
shards = new Shard[shardCount];
for (var i = 0; i < shardCount; i++)
{
shards[i] = new Shard(i, options, Path.Combine(options.DatabaseDir, "db", i.ToString()), directoryEntriesBytes / shardCount, logger);
}
}
internal Shard(int shardId, MetaStoreOptions options, string databaseDir, long directoryEntriesBytes, ILogger logger)
{
this.shardId = shardId;
this.logger = logger;
writeLog = new WriteLog(shardId, databaseDir, options, directoryEntriesBytes + CleanupManager.DirectoryEntrySize(), logger);
}