public async Task ExecScan()
{
var sc = new ScanCall(Program.Table, "", "g")
{
// Families = Program.Family,
// TimeRange = new TimeRange
// {
// From = new DateTime(2018, 1, 1).ToUnixU13(),
// To = new DateTime(2019, 1, 2).ToUnixU13()
// },
NumberOfRows = 100000,
};
using var scanner = _client.Scan(sc);
var scanResults = new List <Result>();
while (scanner.CanContinueNext)
{
var per = await scanner.Next();
if (true != per?.Any())
{
continue;
}
scanResults.AddRange(per);
}
Log.Information($"scan result count:{scanResults.Count}");
}
public async Task ExecScan()
{
var sc = new ScanCall(Program.Table, "", "g")
{
// Families = Program.Family,
// TimeRange = new TimeRange
// {
// From = new DateTime(2018, 1, 1).ToUnixU13(),
// To = new DateTime(2019, 1, 2).ToUnixU13()
// },
NumberOfRows = 100000,
};
using var scanner = _client.Scan(sc);
var scanResults = new List <Student>();
var sth = Stopwatch.StartNew();
var convertCache = new ConvertCache().BuildCache <Student>(EndianBitConverter.BigEndian);
while (scanner.CanContinueNext)
{
sth.Restart();
var per = await scanner.Next();
var reqSpan = sth.Elapsed;
if (true != per?.Any())
{
continue;
}
sth.Restart();
var stus = HBaseConvert.Instance.ConvertToCustom <Student>(per, convertCache);
Debug.WriteLine($"scanner count:{per.Count}, elapesd: {reqSpan}, convert elapesad: {sth.Elapsed}.");
scanResults.AddRange(stus);
}
Log.Information($"scan 'student' count:{scanResults.Count}");
}
