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sys.sp_MSdistribution_counters

  No additional text.


Syntax
CREATE PROCEDURE sys.sp_MSdistribution_counters
(
    @publisher sysname      /* publication server name */
)
AS
begin
    set nocount on

    declare @publisher_id smallint
    declare @subscriber_id smallint
    declare @active_status tinyint
    declare @snapshot_bit int
    declare @undelivered_commands int
    declare @delivered_commands int
    declare @delivery_rate float
    declare @delivery_latency int
    declare @xact_seqno varbinary(16)
    declare @agent_id int

    
    -- security check
    -- only db_owner can execute this
    
    if (is_member ('db_owner') != 1)
    begin
        raiserror(14260, 16, -1)
        return (1)
    end

    select @active_status = 2
    select @snapshot_bit = 0x80000000

    -- Make sure publisher is defined on distributor
    
    select @publisher_id = srvid from master.dbo.sysservers where UPPER(srvname) = UPPER(@publisher)
    if @publisher_id is null
       return (1)

    create table #dist_trans (subscriber_id smallint NOT NULL, undelivered_commands int NOT NULL,
        delivered_commands int NOT NULL, delivery_rate float NOT NULL,
        delivery_latency int NOT NULL)

    declare hc CURSOR LOCAL FAST_FORWARD FOR select distinct agent_id
        from dbo.MSsubscriptions
        where
        publisher_id = @publisher_id and
        subscriber_id >= 0 and
        status = 2
        for read only

    open hc
    fetch hc into  @agent_id
    while (@@fetch_status <> -1)
    begin
        -- Get the lastest numbers from distribution_history
        select  @xact_seqno = NULL

        -- Get latest seqno, rate and latency
        select TOP(1) @xact_seqno = xact_seqno,
--              @delivered_commands = delivered_commands,
                @delivery_rate = current_delivery_rate,
                @delivery_latency = current_delivery_latency
            -- from MSdistribution_history with (READPAST)
            from MSdistribution_history
            where
            agent_id = @agent_id and
            xact_seqno <> 0x0
            order by timestamp DESC


        if @xact_seqno IS NULL
            select  @xact_seqno = 0x00,
                    @delivery_rate = 0,
                    @delivery_latency = 0



        select TOP(1) @subscriber_id = subscriber_id FROM dbo.MSsubscriptions
            where agent_id = @agent_id

        -- Get the delivered trans number
        select @delivered_commands = 0
        select @delivered_commands = isnull(count(*), 0)
            from
            -- MSrepl_commands rc with (READPAST), dbo.MSsubscriptions s
            MSrepl_commands rc, dbo.MSsubscriptions s
            where
            /*
            ** Query from sp_MSget_repl_commands
            */
            s.agent_id = @agent_id and
            s.status = @active_status and
            rc.publisher_database_id = s.publisher_database_id and
--          rc.publisher_id = s.publisher_id and
--          rc.publisher_db = s.publisher_db and
            rc.xact_seqno <= @xact_seqno and
            rc.article_id = s.article_id and
            rc.partial_command = 0
            and
            ((rc.xact_seqno >= s.subscription_seqno and (rc.type & @snapshot_bit) <> @snapshot_bit) or
            rc.xact_seqno = s.subscription_seqno)

        -- Get the undelivered trans number
        select @undelivered_commands = 0
        select @undelivered_commands = isnull(count(*), 0)
            from
            -- MSrepl_commands rc with (READPAST), dbo.MSsubscriptions s
            MSrepl_commands rc , dbo.MSsubscriptions s
            where
            /*
            ** Query from sp_MSget_repl_commands
            */
            s.agent_id = @agent_id and
            s.status = @active_status and
            rc.publisher_database_id = s.publisher_database_id and
            rc.xact_seqno > @xact_seqno and
            rc.article_id = s.article_id and
            rc.partial_command = 0
            and
            ((rc.xact_seqno >= s.subscription_seqno and (rc.type & @snapshot_bit) <> @snapshot_bit) or
            rc.xact_seqno = s.subscription_seqno)

        insert into #dist_trans values (@subscriber_id, @undelivered_commands,
            @delivered_commands, @delivery_rate, @delivery_latency)

        fetch hc into  @agent_id
    end

    close hc
    deallocate hc

    select 'subscriber' = srvname,
            'delivered commands' = sum(delivered_commands),
            'undelivered_commands' = sum(undelivered_commands),
            'delivery_rate' = sum(delivery_rate),
            'delivery_latency' = (select isnull(avg(delivery_latency), 0) from #dist_trans, master.dbo.sysservers where
                srvname = s1.srvname and delivery_latency > 0)
        from #dist_trans, master.dbo.sysservers s1
        where subscriber_id = srvid
        group by srvname

    drop table #dist_trans
end

 
Last revision 2008RTM
See also

  sp_distcounters (Procedure)
sp_instdist (Procedure)
       



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