public VarLenServer(string folderName, string address = "127.0.0.1", int port = 33278)
{
this.folderName = folderName;
GetSettings(folderName, out var logSettings, out var checkpointSettings, out var indexSize);
store = new FasterKV <SpanByte, SpanByte>(indexSize, logSettings, checkpointSettings);
// Create session provider for VarLen
provider = new SpanByteFasterKVProvider(store);
server = new FasterServer(address, port);
server.Register(WireFormat.DefaultVarLenKV, provider);
server.Start();
}
public FixedLenServer(string folderName, Func <Value, Value, Value> merger, string address = "127.0.0.1", int port = 33278)
{
this.folderName = folderName;
GetSettings(folderName, out var logSettings, out var checkpointSettings, out var indexSize);
// We use blittable structs Key and Value to construct a costomized server for fixed-length types
store = new FasterKV <Key, Value>(indexSize, logSettings, checkpointSettings);
// Create session provider for FixedLen
var provider = new FasterKVProvider <Key, Value, Value, Value, FixedLenServerFunctions <Key, Value>, FixedLenSerializer <Key, Value, Value, Value> >(store, e => new FixedLenServerFunctions <Key, Value>(merger));
server = new FasterServer(address, port);
server.Register(WireFormat.DefaultFixedLenKV, provider);
server.Start();
}
static void FixedLenServer(string[] args)
{
Console.WriteLine("FASTER fixed-length (binary) KV server");
ParserResult <Options> result = Parser.Default.ParseArguments <Options>(args);
if (result.Tag == ParserResultType.NotParsed)
{
return;
}
var opts = result.MapResult(o => o, xs => new Options());
opts.GetSettings(out var logSettings, out var checkpointSettings, out var indexSize);
// We use blittable structs Key and Value to construct a customized server for fixed-length types
var store = new FasterKV <Key, Value>(indexSize, logSettings, checkpointSettings);
if (opts.Recover)
{
store.Recover();
}
// This fixed-length session provider can be used with compatible clients such as FixedLenClient and FASTER.benchmark
// Uses FixedLenSerializer as our in-built serializer for blittable (fixed length) types
var provider = new FasterKVProvider <Key, Value, Input, Output, Functions, FixedLenSerializer <Key, Value, Input, Output> >(store, e => new Functions());
// Create server
var server = new FasterServer(opts.Address, opts.Port);
// Register session provider for WireFormat.DefaultFixedLenKV
// You can register multiple session providers with the same server, with different wire protocol specifications
server.Register(WireFormat.DefaultFixedLenKV, provider);
// Start server
server.Start();
Console.WriteLine("Started server");
Thread.Sleep(Timeout.Infinite);
}
static void VarLenServer(string[] args)
{
Console.WriteLine("FASTER variable-length KV server");
ParserResult <Options> result = Parser.Default.ParseArguments <Options>(args);
if (result.Tag == ParserResultType.NotParsed)
{
return;
}
var opts = result.MapResult(o => o, xs => new Options());
opts.GetSettings(out var logSettings, out var checkpointSettings, out var indexSize);
// Create a new instance of the FasterKV, customized for variable-length blittable data (represented by SpanByte)
// With SpanByte, keys and values are stored inline in the FASTER log as [ 4 byte length | payload ]
var store = new FasterKV <SpanByte, SpanByte>(indexSize, logSettings, checkpointSettings);
if (opts.Recover)
{
store.Recover();
}
// This variable-length session provider can be used with compatible clients such as VarLenClient
var provider = new SpanByteFasterKVProvider(store);
// Create server
var server = new FasterServer(opts.Address, opts.Port);
// Register provider as backend provider for WireFormat.DefaultFixedLenKV
// You can register multiple providers with the same server, with different wire protocol specifications
server.Register(WireFormat.DefaultVarLenKV, provider);
// Start server
server.Start();
Console.WriteLine("Started server");
Thread.Sleep(Timeout.Infinite);
}
