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Posted to derby-dev@db.apache.org by "Kanagaraj (JIRA)" <ji...@apache.org> on 2010/12/31 07:51:46 UTC

[jira] Created: (DERBY-4953) Getting slow in fetching the results (NetworkServer is in Windows, derbyclient.jar in Linux)

Getting slow in fetching the results (NetworkServer is in Windows, derbyclient.jar in Linux)
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                 Key: DERBY-4953
                 URL: https://issues.apache.org/jira/browse/DERBY-4953
             Project: Derby
          Issue Type: Bug
          Components: Network Client, Network Server
    Affects Versions: 10.5.3.0
         Environment: Windows & Linux
            Reporter: Kanagaraj


The Network Server is started in Windows. 
A java program which is running in Linux trying to access the DB in Windows (using derbyclient.jar). Taking too much time to fetch the records.

Vice versa also

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[jira] Commented: (DERBY-4953) Getting slow in fetching the results (NetworkServer is in Windows, derbyclient.jar in Linux)

Posted by "Knut Anders Hatlen (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/DERBY-4953?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12976740#action_12976740 ] 

Knut Anders Hatlen commented on DERBY-4953:
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If someone is going to investigate this issue, they will need more information. For example: What kind of query is slow? What kind of data is being fetched? How big are the tables? What's "too much time"? (seconds? minutes?) Is it only slow when running in mixed Windows/Linux environments, or is it also slow when running Windows<->Windows or Linux<->Linux?

> Getting slow in fetching the results (NetworkServer is in Windows, derbyclient.jar in Linux)
> --------------------------------------------------------------------------------------------
>
>                 Key: DERBY-4953
>                 URL: https://issues.apache.org/jira/browse/DERBY-4953
>             Project: Derby
>          Issue Type: Bug
>          Components: Network Client, Network Server
>    Affects Versions: 10.5.3.0
>         Environment: Windows & Linux
>            Reporter: Kanagaraj
>
> The Network Server is started in Windows. 
> A java program which is running in Linux trying to access the DB in Windows (using derbyclient.jar). Taking too much time to fetch the records.
> Vice versa also

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[jira] Commented: (DERBY-4953) Getting slow in fetching the results (NetworkServer is in Windows, derbyclient.jar in Linux)

Posted by "Kanagaraj (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/DERBY-4953?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12977137#action_12977137 ] 

Kanagaraj commented on DERBY-4953:
----------------------------------

Its getting  slow only when running in mixed Windows/Linux environments.

Nearly 3 to 4 seconds spent on connection establishment.

After that a select statement in a table (having 1000 records) taking 3 to 5 seconds

> Getting slow in fetching the results (NetworkServer is in Windows, derbyclient.jar in Linux)
> --------------------------------------------------------------------------------------------
>
>                 Key: DERBY-4953
>                 URL: https://issues.apache.org/jira/browse/DERBY-4953
>             Project: Derby
>          Issue Type: Bug
>          Components: Network Client, Network Server
>    Affects Versions: 10.5.3.0
>         Environment: Windows & Linux
>            Reporter: Kanagaraj
>
> The Network Server is started in Windows. 
> A java program which is running in Linux trying to access the DB in Windows (using derbyclient.jar). Taking too much time to fetch the records.
> Vice versa also

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You can reply to this email to add a comment to the issue online.


[jira] [Commented] (DERBY-4953) Getting slow in fetching the results (NetworkServer is in Windows, derbyclient.jar in Linux)

Posted by "Kathey Marsden (Commented) (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/DERBY-4953?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13212132#comment-13212132 ] 

Kathey Marsden commented on DERBY-4953:
---------------------------------------

Kanagaraj, do you have some more information or a reproduction for this issue? Otherwise I think we should close it cannot reproduce.


                
> Getting slow in fetching the results (NetworkServer is in Windows, derbyclient.jar in Linux)
> --------------------------------------------------------------------------------------------
>
>                 Key: DERBY-4953
>                 URL: https://issues.apache.org/jira/browse/DERBY-4953
>             Project: Derby
>          Issue Type: Bug
>          Components: Network Client, Network Server
>    Affects Versions: 10.5.3.0
>         Environment: Windows & Linux
>            Reporter: Kanagaraj
>              Labels: derby_triage10_5_2
>
> The Network Server is started in Windows. 
> A java program which is running in Linux trying to access the DB in Windows (using derbyclient.jar). Taking too much time to fetch the records.
> Vice versa also

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