[jboss-jira] [JBoss JIRA] Closed: (JBMESSAGING-1162) JBM takes eons to startup with topic persisted messages within db

[Tim Fox (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBMESSAGING-1162?page=all ]

Tim Fox closed JBMESSAGING-1162.
--------------------------------

    Fix Version/s: Unscheduled
                       (was:  1.4.0.SP3.CP04)
       Resolution: Won't Fix

Startup time is dependent on the database being used, and is a non issue anyway in JBM 2.0 where all new feature development is occurring.

> JBM takes eons to startup with topic persisted messages within db
> -----------------------------------------------------------------
>
>                 Key: JBMESSAGING-1162
>                 URL: http://jira.jboss.com/jira/browse/JBMESSAGING-1162
>             Project: JBoss Messaging
>          Issue Type: Bug
>          Components: Messaging Core Persistence
>    Affects Versions: 1.4.0.SP1
>         Environment: Java 1.5.0_14
> JBoss 4.2.2
> Solaris 10, AMD Opteron biprocessor machine
>            Reporter: Gabriele Garuglieri
>         Assigned To: Tim Fox
>            Priority: Critical
>             Fix For: Unscheduled
>
>
> The problem is reproduced as follows:
> 1-Start server
> 2-start a producer that inserts persisted messages (we tried 90.000 messages) in TestTopic topic with default configuration where there are some consumers subscribed but not active
> 3-stop producer and orderly shutdown the server
> 4-start server
> During server startup JBM executes a select to load the persisted messages id's then executes 180 selects loading 500 messages at time.
> With 90.000 messages those 180 selects takes about 10 minutes. The DBMS is Oracle 10g with dedicated instance on a separate machine with no more than 1% cpu load during test and physical db on a very fast NAS.
> While JBM is executing those selects, obviously the server startup hangs until the load is finished.

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