我有一个包含超过 300000 条记录的主帐户文件。此文件具有 Office、FA、UUID 字段以及其他字段。我们有一个 web 服务，它返回当前注册的试点办公室。
我需要从属于 Pilot 的主帐户文件中生成具有唯一 UUID 的输出文件。以下是我的代码。
public class Job
{
static Dictionary<string, string> UUIDOfficeFA = new Dictionary<string, string>();
static Dictionary<string, string> UUIDs = new Dictionary<string, string>();
static string PilotOfficeList = string.Empty;
/// <summary>
///
/// </summary>
public void RunJob()
{
try
{
DirectoryInfo directoryInfo = new DirectoryInfo(ConfigurationSettings.AppSettings["AccountFileFolder"]);
if (directoryInfo != null || directoryInfo.Exists == false)
{
FileInfo[] files = directoryInfo.GetFiles();
DateTime lastWrite = DateTime.MinValue;
FileInfo lastWritenFile = null;
foreach (FileInfo file in files)
{
if (file.LastWriteTime > lastWrite)
{
lastWrite = file.LastWriteTime;
lastWritenFile = file;
}
}
if (lastWritenFile != null)
{
if (RetrieveUUIDs(lastWritenFile))
{
WriteFile();
}
}
else
{
throw new Exception("No matching account file found for processing");
}
}
}
catch (Exception ex)
{
throw ex;
}
}
static void WriteFile()
{
try
{
string FileName = "Testfile_" + System.DateTime.Now.ToString("yyyyMMddHHmmss") + ".txt";
string Path = ConfigurationSettings.AppSettings["TestFolder"] + @"\" + FileName;
StringBuilder sb = new StringBuilder();
foreach (KeyValuePair<string, string> kvp in UUIDs)
{
sb.AppendLine(kvp.Value);
}
using (StreamWriter writer = File.AppendText(Path))
{
writer.Write(sb.ToString());
writer.Flush();
}
}
catch (Exception ex)
{
throw ex;
}
}
static bool RetrieveUUIDs(FileInfo file)
{
try
{
using (StreamReader sr = file.OpenText())
{
string accountFileData = null;
accountFileData = sr.ReadToEnd();
string[] str = accountFileData.Trim().Split(new string[] { "\n" }, StringSplitOptions.None);
List<string> AccountInfo = new List<string>(str);
if (AccountInfo.Count > 0)
{
TestWebservice client = new TestWebservice();
GetBrancheListRequest request = new GetBrancheListRequest();
GetBrancheListResponse response =client.GetBrancheList(request);
if (response != null)
{
PilotOfficeList = response.GetBrancheListResult;
if (string.IsNullOrEmpty(PilotOfficeList))
{
throw new Exception("No branch is enrolled for pilot");
}
}
}
foreach (string accountInfo in AccountInfo)
{
RetrieveUUID(accountInfo);
}
}
}
catch (Exception ex)
{
throw ex;
}
return true;
}
private static void RetrieveUUID(string line)
{
try
{
string UUID = line.Substring(2, 50).Trim();
string Office = line.Substring(444, 3).Trim();
string FA = line.Substring(447, 3).Trim();
if (!string.IsNullOrEmpty(PilotOfficeList))
{
if (!string.IsNullOrEmpty(UUID) || !string.IsNullOrEmpty(Office))
{
if (PilotOfficeList.IndexOf(Office) > -1)
{
if (!UUIDOfficeFA.ContainsKey(UUID + Office + FA))
{
UUIDOfficeFA.Add(UUID + Office + FA, UUID + Office + FA);
if (!UUIDs.ContainsKey(UUID))
{
UUIDs.Add(UUID, UUID);
}
}
}
}
}
}
catch (Exception ex)
{
throw ex;
}
}
}
问题是当这个程序运行时 CPU 利用率达到 100%。虽然整个工作在 2 分钟内完成，但我不能在服务器上移动它，因为它可能会导致其他应用程序出现问题。请建议我如何优化它以使 CPU 不会达到 100%。
非常感谢您之前的帮助。
注意 - 以下是几个主要的 CPU 利用率点
1-
accountFileData = sr.ReadToEnd();
2-
string[] str = accountFileData.Trim().Split(new string[] { "\n" }, StringSplitOptions.None);
3-
foreach (string accountInfo in AccountInfo)
{
RetrieveUUID(accountInfo);
}