sql-servermirth

Get space used by Mirth per channel in SQL Server


How can I tell how much disk space each channel uses for message and metadata storage with my Mirth Server using SQL Server as the backing database?


Solution

  • You can use the following query to identify offending channels and metadata tables:

    SELECT 
        COALESCE(c.NAME, s.Name + '.' + t.Name) as Name,
        MAX(p.rows) AS RowCounts,
        CAST(ROUND(((SUM(a.total_pages) * 8) / 1024.00), 2) AS NUMERIC(36, 2)) AS TotalSpaceMB,
        CAST(ROUND(((SUM(a.used_pages) * 8) / 1024.00), 2) AS NUMERIC(36, 2)) AS UsedSpaceMB, 
        CAST(ROUND(((SUM(a.total_pages) - SUM(a.used_pages)) * 8) / 1024.00, 2) AS NUMERIC(36, 2)) AS UnusedSpaceMB
    FROM sys.tables t
    INNER JOIN sys.indexes i ON t.OBJECT_ID = i.object_id
    INNER JOIN sys.partitions p ON i.object_id = p.OBJECT_ID AND i.index_id = p.index_id
    INNER JOIN sys.allocation_units a ON p.partition_id = a.container_id
    LEFT OUTER JOIN sys.schemas s ON t.schema_id = s.schema_id
    LEFT OUTER JOIN D_CHANNELS dc on TRY_CAST(SUBSTRING(t.name, PATINDEX('%[0-9]%', t.name), 10) as bigint) = dc.LOCAL_CHANNEL_ID
    LEFT OUTER JOIN CHANNEL c on c.ID = dc.CHANNEL_ID
    WHERE t.NAME NOT LIKE 'dt%' 
        AND t.is_ms_shipped = 0
        AND i.OBJECT_ID > 255
    GROUP BY COALESCE(c.NAME, s.Name + '.' + t.Name)
    ORDER BY TotalSpaceMB DESC