news:1135245112.318450.235410@g14g2000cwa.googlegroups.com...
> Hello developers,
>
>   I have created an executable(system tray application) in VS.net 2003
> using VB.net. My app was taking 30 MB memory(since some web services
> call are there which happens for each 10 sec checking internet is
> available or not). Inorder to reduce huge memory consumption, what i
> used is
>
> Public Class MemoryManagement
>    Private Declare Function SetProcessWorkingSetSize Lib
> "kernel32.dll" ( _
>              ByVal process As IntPtr, _
>              ByVal minimumWorkingSetSize As Integer, _
>              ByVal maximumWorkingSetSize As Integer) As Integer
>
>    Public Shared Sub FlushMemory()
>        GC.Collect()
>        GC.WaitForPendingFinalizers()
>        If (Environment.OSVersion.Platform = PlatformID.Win32NT) Then
>
> SetProcessWorkingSetSize(Process.GetCurrentProcess().Handle, -1, -1)
>        End If
>    End Sub
> End Class
>
> Now i call FlushMemory on every 10 secs.
>
> Now the memory consumption got reduced  to 2 MB..But the problem is
> after running this application for several days continously(say 1 week)
> i got .net memory leak exception. I heard that .net memory exception
> comes only if your application doesnot leave memory when other apps
> need it. Can anyone guide me correctly...
>
> Any help in this regard is greatly appreciated......
>
> Regards,
>
> Anand. A.V
>

"Zvonko Keber" wrote:
>SetProcessWorkingSetSize does not solve your memory consumption. It
only
>trims the part of memory that process' once occupied.
>You don't need the SetProcessWorkingSetSize at all.
>
>You are probably watching the "Memory Usage" column in task manager.
You
>should be watching "VM size" column, which is hidden by default. This
is
>your application's allocated private bytes (total amount of memory
allocated
>by the process).
>
>You need to make sure you dispose every object you create. If the
object
>doesn't implement a Dispose method, you should make sure that all
references
>to the object are lost (every time you associate a variable with the
object,
>reference is added and you need to set those variables to Nothing).
>
>
><anandav2***@gmail.com> wrote in message
>news:1135245112.318450.235410@g14g2000cwa.googlegroups.com...
>> Hello developers,
>>
>>   I have created an executable(system tray application) in VS.net
2003
>> using VB.net. My app was taking 30 MB memory(since some web services
>> call are there which happens for each 10 sec checking internet is
>> available or not). Inorder to reduce huge memory consumption, what i
>> used is
>>
>> Public Class MemoryManagement
>>    Private Declare Function SetProcessWorkingSetSize Lib
>> "kernel32.dll" ( _
>>              ByVal process As IntPtr, _
>>              ByVal minimumWorkingSetSize As Integer, _
>>              ByVal maximumWorkingSetSize As Integer) As Integer
>>
>>    Public Shared Sub FlushMemory()
>>        GC.Collect()
>>        GC.WaitForPendingFinalizers()
>>        If (Environment.OSVersion.Platform = PlatformID.Win32NT) Then
>>
>> SetProcessWorkingSetSize(Process.GetCurrentProcess().Handle, -1, -1)
>>        End If
>>    End Sub
>> End Class
>>
>> Now i call FlushMemory on every 10 secs.
>>
>> Now the memory consumption got reduced  to 2 MB..But the problem is
>> after running this application for several days continously(say 1
week)
>> i got .net memory leak exception. I heard that .net memory exception
>> comes only if your application doesnot leave memory when other apps
>> need it. Can anyone guide me correctly...
>>
>> Any help in this regard is greatly appreciated......
>>
>> Regards,
>>
>> Anand. A.V
>>
>
>

"Anand" <an***@trellisys.net> wrote in message
news:%23zyd0duBGHA.1180@TK2MSFTNGP09.phx.gbl...
> Hello,
>
>   Thanx for ur reply. All my objects are in a shared class...and that
> too shared properties. On looping (say each 10 sec) i assign what all
> values i get from database to these variables. (App is something like
> displaying alerts if new activity is there).I need those values till
> next looping. So i think i cant make it nothing. ...Any performance
> problem if i used shared property in my apps. Also any other reason for
> net memory leak..
>
> Regards ,
>
> Anand
>
>
> "Zvonko Keber" wrote:
>>SetProcessWorkingSetSize does not solve your memory consumption. It
> only
>>trims the part of memory that process' once occupied.
>>You don't need the SetProcessWorkingSetSize at all.
>>
>>You are probably watching the "Memory Usage" column in task manager.
> You
>>should be watching "VM size" column, which is hidden by default. This
> is
>>your application's allocated private bytes (total amount of memory
> allocated
>>by the process).
>>
>>You need to make sure you dispose every object you create. If the
> object
>>doesn't implement a Dispose method, you should make sure that all
> references
>>to the object are lost (every time you associate a variable with the
> object,
>>reference is added and you need to set those variables to Nothing).
>>
>>
>><anandav2***@gmail.com> wrote in message
>>news:1135245112.318450.235410@g14g2000cwa.googlegroups.com...
>>> Hello developers,
>>>
>>>   I have created an executable(system tray application) in VS.net
> 2003
>>> using VB.net. My app was taking 30 MB memory(since some web services
>>> call are there which happens for each 10 sec checking internet is
>>> available or not). Inorder to reduce huge memory consumption, what i
>>> used is
>>>
>>> Public Class MemoryManagement
>>>    Private Declare Function SetProcessWorkingSetSize Lib
>>> "kernel32.dll" ( _
>>>              ByVal process As IntPtr, _
>>>              ByVal minimumWorkingSetSize As Integer, _
>>>              ByVal maximumWorkingSetSize As Integer) As Integer
>>>
>>>    Public Shared Sub FlushMemory()
>>>        GC.Collect()
>>>        GC.WaitForPendingFinalizers()
>>>        If (Environment.OSVersion.Platform = PlatformID.Win32NT) Then
>>>
>>> SetProcessWorkingSetSize(Process.GetCurrentProcess().Handle, -1, -1)
>>>        End If
>>>    End Sub
>>> End Class
>>>
>>> Now i call FlushMemory on every 10 secs.
>>>
>>> Now the memory consumption got reduced  to 2 MB..But the problem is
>>> after running this application for several days continously(say 1
> week)
>>> i got .net memory leak exception. I heard that .net memory exception
>>> comes only if your application doesnot leave memory when other apps
>>> need it. Can anyone guide me correctly...
>>>
>>> Any help in this regard is greatly appreciated......
>>>
>>> Regards,
>>>
>>> Anand. A.V
>>>
>>
>>
>
>
>
> --
> Sent via .NET Newsgroups
> http://www.dotnetnewsgroups.com

"Zvonko Keber" wrote:
>Check if you create a new object inside your loop (with "new"), and if
you
>do, call it's Dispose every time you're finished with it. Otherwise,
create
>the object only once, and dispose it only once. If you need the object
for
>future reference, try saving it to disk.
>
>
>"Anand" <an***@trellisys.net> wrote in message
>news:%23zyd0duBGHA.1180@TK2MSFTNGP09.phx.gbl...
>> Hello,
>>
>>   Thanx for ur reply. All my objects are in a shared class...and that
>> too shared properties. On looping (say each 10 sec) i assign what all
>> values i get from database to these variables. (App is something like
>> displaying alerts if new activity is there).I need those values till
>> next looping. So i think i cant make it nothing. ...Any performance
>> problem if i used shared property in my apps. Also any other reason
for
>> net memory leak..
>>
>> Regards ,
>>
>> Anand
>>
>>
>> "Zvonko Keber" wrote:
>>>SetProcessWorkingSetSize does not solve your memory consumption. It
>> only
>>>trims the part of memory that process' once occupied.
>>>You don't need the SetProcessWorkingSetSize at all.
>>>
>>>You are probably watching the "Memory Usage" column in task manager.
>> You
>>>should be watching "VM size" column, which is hidden by default. This
>> is
>>>your application's allocated private bytes (total amount of memory
>> allocated
>>>by the process).
>>>
>>>You need to make sure you dispose every object you create. If the
>> object
>>>doesn't implement a Dispose method, you should make sure that all
>> references
>>>to the object are lost (every time you associate a variable with the
>> object,
>>>reference is added and you need to set those variables to Nothing).
>>>
>>>
>>><anandav2***@gmail.com> wrote in message
>>>news:1135245112.318450.235410@g14g2000cwa.googlegroups.com...
>>>> Hello developers,
>>>>
>>>>   I have created an executable(system tray application) in VS.net
>> 2003
>>>> using VB.net. My app was taking 30 MB memory(since some web
services
>>>> call are there which happens for each 10 sec checking internet is
>>>> available or not). Inorder to reduce huge memory consumption, what
i
>>>> used is
>>>>
>>>> Public Class MemoryManagement
>>>>    Private Declare Function SetProcessWorkingSetSize Lib
>>>> "kernel32.dll" ( _
>>>>              ByVal process As IntPtr, _
>>>>              ByVal minimumWorkingSetSize As Integer, _
>>>>              ByVal maximumWorkingSetSize As Integer) As Integer
>>>>
>>>>    Public Shared Sub FlushMemory()
>>>>        GC.Collect()
>>>>        GC.WaitForPendingFinalizers()
>>>>        If (Environment.OSVersion.Platform = PlatformID.Win32NT)
Then
>>>>
>>>> SetProcessWorkingSetSize(Process.GetCurrentProcess().Handle, -1,
-1)
>>>>        End If
>>>>    End Sub
>>>> End Class
>>>>
>>>> Now i call FlushMemory on every 10 secs.
>>>>
>>>> Now the memory consumption got reduced  to 2 MB..But the problem is
>>>> after running this application for several days continously(say 1
>> week)
>>>> i got .net memory leak exception. I heard that .net memory
exception
>>>> comes only if your application doesnot leave memory when other apps
>>>> need it. Can anyone guide me correctly...
>>>>
>>>> Any help in this regard is greatly appreciated......
>>>>
>>>> Regards,
>>>>
>>>> Anand. A.V
>>>>
>>>
>>>
>>
>>
>>
>> --
>> Sent via .NET Newsgroups
>> http://www.dotnetnewsgroups.com
>
>

"Anand" <an***@trellisys.net> wrote in message
news:uAI$CxvBGHA.3572@TK2MSFTNGP14.phx.gbl...
> Hello,
>
>   I didnt create any new object inside the loop..Also i cant set the
> object to nothing, we cannot save it to disk as i need to update
> variables, i assign it to the variables for future use..ie. if user
> clicks the form that is being popuped by system tray app, i need to take
> him to our website. He can click the link at any time..and .net leak
> happens only after running several days...I ran it for 48 hrs
> continously and i worked without any problems...
>
> What i am doing in a timer tick is
>
> dsAlerts = objWebService.GetDesktopAlerts(SharedClass.EmailID)
>
> For x As Integer = 0 To dsAlerts.Tables(0).Rows.Count - 1
>
> SharedClass.aDocId(iarray) = dsAlerts.Tables(0).Rows(x).Item(2)
> SharedClass.aDocName(iarray) =
> dsAlerts.Tables(0).Rows(x).Item(3)SharedClass.aTime(iarray) =
> SharedClass.DateFormat(dsAlerts.Table(0).Rows(x).Item(7), True)
> SharedClass.aEmailId(iarray) = dsAlerts.Tables(0).Rows(x).Item(5)
> SharedClass.aName(iarray) = dsAlerts.Tables(0).Rows(x).Item(4)
> SharedClass.aIpAddress(iarray) = dsAlerts.Tables(0).Rows(x).Item(6)
> SharedClass.aIpAddress(iarray) = dsAlerts.Tables(0).Rows(x).Item(6)
> SharedClass.aTransCode(iarray) = dsAlerts.Tables(0).Rows(x).Item(8)
> SharedClass.aDocType(iarray) = dsAlerts.Tables(0).Rows(0).Item(12)
>
> ReDim Preserve SharedClass.aDocId(SharedClass.aDocId.Length)
> ReDim Preserve SharedClass.aDocName(SharedClass.aDocName.Length)
> ReDim Preserve SharedClass.aTime(SharedClass.aTime.Length)
> ReDim Preserve SharedClass.aEmailId(SharedClass.aEmailId.Length)
> ReDim Preserve SharedClass.aIpAddress(SharedClass.aIpAddress.Length)
> ReDim Preserve SharedClass.aTransCode(SharedClass.aTransCode.Length)
> ReDim Preserve SharedClass.aDocType(SharedClass.aDocType.Length)
>
>
> sDocId = dsAlerts.Tables(0).Rows(x).Item(2)
> sDocName = dsAlerts.Tables(0).Rows(x).Item(3)
> sTime = SharedClass.DateFormat(dsAlerts.Tables(0).Rows(x).Item(7),True)
> sEmailId = dsAlerts.Tables(0).Rows(x).Item(5)
> sName = dsAlerts.Tables(0).Rows(x).Item(4)
> sIpAddress = dsAlerts.Tables(0).Rows(x).Item(6)
> sTransCode = dsAlerts.Tables(0).Rows(x).Item(8)
> bOfflineAlert = dsAlerts.Tables(0).Rows(x).Item(10)
> sDocType = dsAlerts.Tables(0).Rows(0).Item(12)
> Next
>
>
> where dsAlerts  is a dataset declared on class level...
> objWebService is webservice object on class level...
> iarray is integer
>
> SharedClass.aDocId(iarray) etc...is declared as
>
>     Public Shared aDocId(0) As String
>      in sharedClass.vb
> sDocId etc are declared as
>
> Dim sDocId  as String in class level...
>
>
> Please go thru it and guide me in right direction...
>
>
> Regards,
>
> Anand
>
> "Zvonko Keber" wrote:
>>Check if you create a new object inside your loop (with "new"), and if
> you
>>do, call it's Dispose every time you're finished with it. Otherwise,
> create
>>the object only once, and dispose it only once. If you need the object
> for
>>future reference, try saving it to disk.
>>
>>
>>"Anand" <an***@trellisys.net> wrote in message
>>news:%23zyd0duBGHA.1180@TK2MSFTNGP09.phx.gbl...
>>> Hello,
>>>
>>>   Thanx for ur reply. All my objects are in a shared class...and that
>>> too shared properties. On looping (say each 10 sec) i assign what all
>>> values i get from database to these variables. (App is something like
>>> displaying alerts if new activity is there).I need those values till
>>> next looping. So i think i cant make it nothing. ...Any performance
>>> problem if i used shared property in my apps. Also any other reason
> for
>>> net memory leak..
>>>
>>> Regards ,
>>>
>>> Anand
>>>
>>>
>>> "Zvonko Keber" wrote:
>>>>SetProcessWorkingSetSize does not solve your memory consumption. It
>>> only
>>>>trims the part of memory that process' once occupied.
>>>>You don't need the SetProcessWorkingSetSize at all.
>>>>
>>>>You are probably watching the "Memory Usage" column in task manager.
>>> You
>>>>should be watching "VM size" column, which is hidden by default. This
>>> is
>>>>your application's allocated private bytes (total amount of memory
>>> allocated
>>>>by the process).
>>>>
>>>>You need to make sure you dispose every object you create. If the
>>> object
>>>>doesn't implement a Dispose method, you should make sure that all
>>> references
>>>>to the object are lost (every time you associate a variable with the
>>> object,
>>>>reference is added and you need to set those variables to Nothing).
>>>>
>>>>
>>>><anandav2***@gmail.com> wrote in message
>>>>news:1135245112.318450.235410@g14g2000cwa.googlegroups.com...
>>>>> Hello developers,
>>>>>
>>>>>   I have created an executable(system tray application) in VS.net
>>> 2003
>>>>> using VB.net. My app was taking 30 MB memory(since some web
> services
>>>>> call are there which happens for each 10 sec checking internet is
>>>>> available or not). Inorder to reduce huge memory consumption, what
> i
>>>>> used is
>>>>>
>>>>> Public Class MemoryManagement
>>>>>    Private Declare Function SetProcessWorkingSetSize Lib
>>>>> "kernel32.dll" ( _
>>>>>              ByVal process As IntPtr, _
>>>>>              ByVal minimumWorkingSetSize As Integer, _
>>>>>              ByVal maximumWorkingSetSize As Integer) As Integer
>>>>>
>>>>>    Public Shared Sub FlushMemory()
>>>>>        GC.Collect()
>>>>>        GC.WaitForPendingFinalizers()
>>>>>        If (Environment.OSVersion.Platform = PlatformID.Win32NT)
> Then
>>>>>
>>>>> SetProcessWorkingSetSize(Process.GetCurrentProcess().Handle, -1,
> -1)
>>>>>        End If
>>>>>    End Sub
>>>>> End Class
>>>>>
>>>>> Now i call FlushMemory on every 10 secs.
>>>>>
>>>>> Now the memory consumption got reduced  to 2 MB..But the problem is
>>>>> after running this application for several days continously(say 1
>>> week)
>>>>> i got .net memory leak exception. I heard that .net memory
> exception
>>>>> comes only if your application doesnot leave memory when other apps
>>>>> need it. Can anyone guide me correctly...
>>>>>
>>>>> Any help in this regard is greatly appreciated......
>>>>>
>>>>> Regards,
>>>>>
>>>>> Anand. A.V
>>>>>
>>>>
>>>>
>>>
>>>
>>>
>>> --
>>> Sent via .NET Newsgroups
>>> http://www.dotnetnewsgroups.com
>>
>>
>
>
>
> --
> Sent via .NET Newsgroups
> http://www.dotnetnewsgroups.com

"Anand" <an***@trellisys.net> wrote in message
news:uIcRqhwBGHA.3292@TK2MSFTNGP09.phx.gbl...
> Hello zvkeber,
>
>  Thanx for the support what you are giving..
>
>  Think like this..This app is like a messenger(yahoo) which actually
> popups ur email alerts. Even if u miss alerts(u may be away) you can see
> it later all alerts that have been pop up until you clear it yourself.
> SO i cnt think of clearing it...
>
>
> Also any problem with my code..
>
> Regards,
>
> Anand
>
> --
> Sent via .NET Newsgroups
> http://www.dotnetnewsgroups.com

"Zvonko Keber" <zvke***@yahoo.com> wrote in message
news:eQIJl0wBGHA.3984@TK2MSFTNGP14.phx.gbl...
> Once after the user reads the message, your application still holds that
> in the memory, right?
> Is that necessary?
>
> "Anand" <an***@trellisys.net> wrote in message
> news:uIcRqhwBGHA.3292@TK2MSFTNGP09.phx.gbl...
>> Hello zvkeber,
>>
>>  Thanx for the support what you are giving..
>>
>>  Think like this..This app is like a messenger(yahoo) which actually
>> popups ur email alerts. Even if u miss alerts(u may be away) you can see
>> it later all alerts that have been pop up until you clear it yourself.
>> SO i cnt think of clearing it...
>>
>>
>> Also any problem with my code..
>>
>> Regards,
>>
>> Anand
>>
>> --
>> Sent via .NET Newsgroups
>> http://www.dotnetnewsgroups.com
>
>