#DataWeekender v3.1 / Virtual Event / 15th of May 2021

#DataWeekender v3.1 / Virtual Event / 15th of May 2021
VIRTUAL EVENT   #DataWeekender is a new online conference that first ran on Saturday 2nd May 2020. Our original intention was to put on an online data platform conference for the community to fill that void left by the cancelling of the in-person events due to Covid-19. We are delighted to announce our 3rd running on the 15th of May. ​ Expect to see more super sessions from a range of new to seasoned speakers on a range of data topics. Topics like PowerBI, Data engine, Azure, Data Factory, performance tuning, dev ops, NoSQL, Logic Apps,...
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SQL Server / Availability Group / Readable Secondary Replica Delay / Parallel Redo Operations

SQL Server / Availability Group / Readable Secondary Replica Delay / Parallel Redo Operations
One of the most common issues with Availability Group and using readable secondary replica is with Parallel REDO operations. On your readable secondary replica, you will notice a few different types of waits commonly related to this, but in this article, I will cover just one of them PARALLEL_REDO_TRAN_TURN PARALLEL_REDO_TRAN_TURN This type of waits happens in readable secondary replica and it is caused by page splits or forwarded records on heap tables triggered by new inserts or updates on primary replica. There are few ways to fix this...
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