public async Task MergeFiles()
{
var merger = new TableFileMerger(_tableFiles.Select(f => f.GetAsyncEnumerator()).ToArray());
var mWriter = new TableFileMergeWriter(_storageLayer, _cache, loadNewFiles: false);
await mWriter.WriteFromMerger(merger);
}
static async Task Main(string[] args)
{
//var merge = new MergeBenchmark();
//merge.GlobalSetup();
//await merge.MergeFiles();
//return;
var summary = BenchmarkSwitcher.FromAssembly(typeof(Program).Assembly).Run(args);
return;
var dbFolder = "D:\\stress";
var outputFolder = "D:\\stressoutput";
Directory.Delete(outputFolder, true);
Directory.CreateDirectory(outputFolder);
var dbOptions = new TrimDatabaseOptions();
using var blockstore = dbOptions.BlockCache();
var filenames = Directory.GetFiles(dbFolder);
var files = new TableFile[filenames.Length];
for (var i = 0; i < files.Length; i++)
{
var tf = new TableFile(filenames[i], blockstore);
await tf.LoadAsync();
files[i] = tf;
}
var merger = new TableFileMerger(files.Select(f => f.GetAsyncEnumerator()).ToArray());
var storageLayer = new SortedStorageLayer(5, dbFolder, blockstore, 10 * 1024 * 1024, 100);
var mWriter = new TableFileMergeWriter(storageLayer, blockstore);
await mWriter.WriteFromMerger(merger);
}