Script to indentifty big replication transactions

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Sometimes replication slows down when a transaction has a large number of row changes. This script helps you identify those transactions (more that 10,000 rows affected) . Should be executed in distribution database .

SELECT 
      mt.entry_time, mt.xact_seqno [XACT NO],
      COUNT(mr.xact_seqno)  [# Commands]

FROM MSrepl_transactions mt WITH(NOLOCK) 
JOIN MSrepl_commands mr WITH(NOLOCK) 
      ON mt.xact_seqno = mr.xact_seqno 
GROUP BY
      mt.entry_time, mt.xact_seqno 
having  count(1)  > 10000
ORDER BY 1

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