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distribution log retation - log is huge!

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Hi,

I have 26 publishers with transactional replication to a central subscriber.

All the distributor properties and publication properties in these publishers are the same.

5 of these 26 publishers (publisher/distributor in the same server) have huge distribution log files (up to 100GB) and the log space used is over 90%, even using recovery model simple.

I already tried to configure the distribution retention and the publication retention, already checked the cleanup jobs and even executed the cleanup procedures myself, but the % space used in the huge logs are still over 90%.

I can understand a log retention in the publication database because the log reader agent needs to read the log and send the information to the distributor, but I can't understant this retention in the distributor database. As far I know, the information in the distributor database is inside the system tables, the cleanup jobs delete old information in these tables, but why I still have this problem in the distribution log and only 5 of 26 distributors with this problem ?

How can I shrink the distribution log in this case ? The database is already in simple recovery model, I'm not understanding the log retention.

Thank you !


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