Koen Verbeeck looks at an update to AutoAdjustBufferSize in SSIS 2016 CU1:

Anyway, one of the particular updates that caught my attention was Adds the adjusted buffer size to the BufferSizeTuning event when AutoAdjustBufferSize is enabled in SSIS 2016. In simple terms, it allows you to log  the size of the data flow buffer set automatically by the AutoAdjustBufferSizeproperty. This property basically automatically calculates the buffer size needed to reach the amount of rows in the buffer specified by DefaultBufferMaxRows. Therefore, it ignores  the DefaultBufferSize property. Unfortunately, this new property is set to false by default.

Logging is at the Verbose level, so you won’t use it very often, but for test purposes, it’s interesting to see those changes.

Related Posts

Verifying SSIS Database Connections With ssisUnit

Bartosz Ratajczyk shows how to test project-level connections in SQL Server Integration Services with ssisUnit: Previously we successfully prepared tests for variables and parameters using VariableCommandand and ParameterCommand. Now it’s time to communicate with the database, and for that, I will use connection manager defined on the project level. I know from the ssisUnit tutorials it works perfect with […]

Read More

Optimizing SSIS Throughput With Buffer Properties

Andy Leonard explains how he uses data flow properties to tune SQL Server Integration Services package performance: I started answering a question on SQL Community Slack’s #ssis channel and I realized this would be better served as a blog post. The question was about three SSIS Data Flow properties: DefaultBufferSize, Engine Thread and DefaultBufferMaxRows. I rarely change the EngineThreads […]

Read More


July 2016
« Jun Aug »