Joget Workflow v6 RC Released

Check out the latest Joget Workflow v6 RC for many new features and improvements in user experience (UX), app maintainability and performance.

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In development server, due to the fact that process design will always get updated and developed, there will be more and more XPDLs cached in the memory. In the long run, this may cause "java.lang.OutOfMemoryError" exception during runtime or server startup. To solve this issue, we will need to clean up the unused XPDLs with following steps. The following example queries are written in MySQL and MSSQL syntax.

 

Note
titleNote

1. Please shutdown your application server.

2. Please do a full database backup before proceeding to the following steps.

 


1. Check existing count of XPDLs

...

Code Block
languagesql
titleMSSQL
EXEC sp_MSforeachtable "ALTER TABLE ? NOCHECK CONSTRAINT all"

delete xd from SHKXPDLData as xd
left join SHKXPDLS as x on x.oid= xd.XPDL
where concat(x.XPDLId, x.XPDLVersion) not in (
    select concat(packageId,packageVersion) as id from (
        select def.PackageId as packageId, def.ProcessDefinitionVersion as packageVersion 
        from SHKActivities act 
        join SHKProcesses pro on act.Process = pro.oid 
        left join SHKProcessDefinitions def on pro.ProcessDefinition = def.oid 
        group by def.PackageId, def.ProcessDefinitionVersion 
        union 
        select packageId, packageVersion from app_package
    ) as used_processes group by packageId, packageVersion
);

delete x from SHKXPDLS as x 
where concat(x.XPDLId, x.XPDLVersion) not in (
    select concat(packageId,packageVersion) as id from (
        select def.PackageId as packageId, def.ProcessDefinitionVersion as packageVersion 
        from SHKActivities act 
        join SHKProcesses pro on act.Process = pro.oid 
        left join SHKProcessDefinitions def on pro.ProcessDefinition = def.oid 
        group by def.PackageId, def.ProcessDefinitionVersion 
        union 
        select packageId, packageVersion from app_package
    ) as used_processes group by packageId, packageVersion
);

EXEC sp_MSforeachtable "ALTER TABLE ? WITH CHECK CHECK CONSTRAINT all"