/// <exception cref="System.IO.IOException"/>
protected override void Map(LongWritable key, Text value, Mapper.Context context)
{
StringBuilder sb = new StringBuilder(512);
for (int i = 0; i < 1000; i++)
{
sb.Append("a");
}
context.SetStatus(sb.ToString());
int progressStatusLength = context.GetConfiguration().GetInt(MRConfig.ProgressStatusLenLimitKey
, MRConfig.ProgressStatusLenLimitDefault);
if (context.GetStatus().Length > progressStatusLength)
{
throw new IOException("Status is not truncated");
}
}