How can I get timespend in a statement?
Is there any way to get by any timesten tool or command where I could get the timespend that a statemente took in execution? Or how can i meassure the statement execution time on a execution time... Is there any log where I could get information about timespend for statement.
If you think there is some performance problem with inserts (or updates/deletes) specifically then this could arise from the following causes:
1. Lock contention. If during the period of 'delay' you see the columns LOCK_TIMEOUTS or LOCK_GRANTS_WAIT in SYS.MONITOR increasing much faster than usual then lock contention could be the issue. You can investigate this in more details using ttXactAdmin to show locks that are help, by whom and who is waiting for them.
2. I/O. Check to see if SYS.MONITOR.LOG_BUFFER_WAITS increases during a period of poor performance. Normally this column should be zero (best) or at least should increase very slowly (sometimes acceptable). if this value is increasing significantly this means you have a log I/O issue. Also, check to see if the reduced performance coincides with a TimesTen checkpoint occurring as this will cause increased I/O load on the system.
3. Latch contention. You can use ttXactAdmin -latchstats to gather latch statistics for maybe 1 munite when performance is 'normal' and then do the same for 1 minute when performance is poor and compare the two to see if there is any major difference in latch usage.
4. Lack of CPU resource. What is the normal CPU loading on the system? How does this change during times of poor performance? Maybe the system is becoming saturated?
5. Number of concurrent connections. How many concurrent connecxtions do you have to the datastore? Does this number change over time? What is the value of the ODBC attribute 'Connections' set to? If Connections is less that the maximum number of concurrent connections then you will very likely experience performance problems. Ensure that Connections is set to a larger value than the maximum possible number of concurrent connections you will have.
There are lots of other things outside of TimesTen that could cause poor performance such as the application etc. so if you draw a blank on 1-5 above then the problem is probably elsewhere than TimesTen.
Chris
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sult
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What i get is only the directories and files that in other nodes. But i have also files on the root directory and i never
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You can see two directories from the root but no files on the root it self. And in my ftp server host i have files in the root direcory.
This is the method i'm using to get the directory listing:
public IEnumerable<FTPListDetail> GetDirectoryListing(string rootUri)
var CurrentRemoteDirectory = rootUri;
var result = new StringBuilder();
var request = GetWebRequest(WebRequestMethods.Ftp.ListDirectoryDetails, CurrentRemoteDirectory);
using (var response = request.GetResponse())
using (var reader = new StreamReader(response.GetResponseStream()))
string line = reader.ReadLine();
while (line != null)
result.Append(line);
result.Append("\n");
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string regex =
@"^" + //# Start of line
@"(?<dir>[\-ld])" + //# File size
@"(?<permission>[\-rwx]{9})" + //# Whitespace \n
@"\s+" + //# Whitespace \n
@"(?<filecode>\d+)" +
@"\s+" + //# Whitespace \n
@"(?<owner>\w+)" +
@"\s+" + //# Whitespace \n
@"(?<group>\w+)" +
@"\s+" + //# Whitespace \n
@"(?<size>\d+)" +
@"\s+" + //# Whitespace \n
@"(?<month>\w{3})" + //# Month (3 letters) \n
@"\s+" + //# Whitespace \n
@"(?<day>\d{1,2})" + //# Day (1 or 2 digits) \n
@"\s+" + //# Whitespace \n
@"(?<timeyear>[\d:]{4,5})" + //# Time or year \n
@"\s+" + //# Whitespace \n
@"(?<filename>(.*))" + //# Filename \n
@"$"; //# End of line
var myresult = new List<FTPListDetail>();
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.Match(parsed);
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var owner = split.Groups["owner"].ToString();
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var size = split.Groups["size"].Length;
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Filecode = filecode,
Group = group,
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return myresult;
And then this method to loop over and listing :
private int total_dirs;
private int searched_until_now_dirs;
private int max_percentage;
private TreeNode directories_real_time;
private string SummaryText;
private TreeNode CreateDirectoryNode(string path, string name , int recursive_levl )
var directoryNode = new TreeNode(name);
var directoryListing = GetDirectoryListing(path);
var directories = directoryListing.Where(d => d.IsDirectory);
var files = directoryListing.Where(d => !d.IsDirectory);
total_dirs += directories.Count<FTPListDetail>();
searched_until_now_dirs++;
int percentage = 0;
foreach (var dir in directories)
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if (recursive_levl == 1)
TreeNode temp_tn = (TreeNode)directoryNode.Clone();
this.BeginInvoke(new MethodInvoker( delegate
UpdateList(temp_tn);
percentage = (searched_until_now_dirs * 100) / total_dirs;
if (percentage > max_percentage)
SummaryText = String.Format("Searched dirs {0} / Total dirs {1}", searched_until_now_dirs, total_dirs);
max_percentage = percentage;
backgroundWorker1.ReportProgress(percentage, SummaryText);
percentage = (searched_until_now_dirs * 100) / total_dirs;
if (percentage > max_percentage)
SummaryText = String.Format("Searched dirs {0} / Total dirs {1}", searched_until_now_dirs, total_dirs);
max_percentage = percentage;
backgroundWorker1.ReportProgress(percentage, SummaryText);
foreach (var file in files)
TreeNode file_tree_node = new TreeNode(file.Name);
file_tree_node.Tag = "file" ;
directoryNode.Nodes.Add(file_tree_node);
numberOfFiles.Add(file.FullPath);
return directoryNode;
Then updating the treeView:
DateTime last_update;
private void UpdateList(TreeNode tn_rt)
TimeSpan ts = DateTime.Now - last_update;
if (ts.TotalMilliseconds > 200)
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treeViewMS1.BeginUpdate();
treeViewMS1.Nodes.Clear();
treeViewMS1.Nodes.Add(tn_rt);
ExpandToLevel(treeViewMS1.Nodes, 1);
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And inside a backgroundworker do work how i'm using it:
var root = Convert.ToString(e.Argument);
var dirNode = CreateDirectoryNode(root, "root", 1);
e.Result = dirNode;
And last the FTPListDetail class:
public class FTPListDetail
public bool IsDirectory
get
return !string.IsNullOrWhiteSpace(Dir) && Dir.ToLower().Equals("d");
internal string Dir { get; set; }
public string Permission { get; set; }
public string Filecode { get; set; }
public string Owner { get; set; }
public string Group { get; set; }
public string Name { get; set; }
public string FullPath { get; set; }
Now the main problem is that when i list the files and directories and display them in the treeView it dosen't get/display
the files in the root directory. Only in the sub nodes.
I will see the files inside hello and stats but i need also to see the files in the root directory.
1. How can i get and list/display the files of the root directory ?
2. For the test i tried to add to a List<string> the items in var files to see if i get the root files at all.
This is what i tried in the CreateDirectoryNode before it i added:
private List<string> testfiles = new List<string>();
Then after var files i did:
testfiles.Add(files.ToList()
But this is wrong. I just wanted to see in testfiles what items i'm getting in var files in the end of the process.
Both var files and directoryListing are IEnumerable<FTPListDetail> type.
The most important is to make the number 1 i mentioned and then to do number 2.Risa no.
What i mean is this. This is a screenshot of my ftp server at my host(ipage.com).
Now this is a screenshot of my program and you can see that in my program i have only the directories hello stats test but i don't have the files in the root: htaccess.config swp txt 1.txt 2.png....all this files i don't have it on my treeView.
What i want it to be is that on my program on the treeView i will also display the files like in my ftp server.
I see in my program only the directories and the files in the directories but i don't see the files on the root directory/node.
I need it to be like in my ftp server i need to see in my program the htaccess 1.txt 2.png and so on.
So what i wrote in my main question is that in the var files i see this files of the root directory i just don't know to add and display them in my treeView(my treeView is treeViewMS1).
I know i checked in my program in the method CreateDirectoryNode i see in the first iteration of the recursive that var files contain this root files i just dont know how to add and display them in my treeView.
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493991 224 1265-D30 DRUG INTERACTION ABC TX
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