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980Panama
Level: Powered On

SQL Server Transform Data using Power Query Max Pool size reached

I keep getting the message below and wonder if there are connections being left opnen - is there a way to close pooled connections.

 

Please check your account info and/or permissions and try again. Details: An error happened while reading data from the provider: 'Timeout expired. The timeout period elapsed prior to obtaining a connection from the pool. This may have occurred because all pooled connections were in use and max pool size was reached.' inner exception: An error happened while reading data from the provider: 'Timeout expired. The timeout period elapsed prior to obtaining a connection from the pool. This may have occurred because all pooled connections were in use and max pool size was reached.' clientRequestId: 06D6E180-1DED-48CB-952D-294280419045
1 REPLY 1
Community Support Team
Community Support Team

Re: SQL Server Transform Data using Power Query Max Pool size reached

Hi @980Panama,

 

I have made a test using SQL Server Transform data using Power Query, the issue you mentioned doesn’t occur.

 

I have searched online for some relative information. Please check the following thread which was reporting the same issue, from the thread we know that:

 

“In most cases connection pooling problems are related to “connection leaks”. Your application probably doesn’t close its database connections correctly and consistently. When you leave connections open, they remain blocked until the .NET garbage collector closes them for you by calling their Finalize() method”

 

 

Further, another doc on Why does a connection pool overflow for your reference:

https://docs.microsoft.com/en-us/previous-versions/sql/legacy/aa175863(v=sql.80)

 

Best regards,

Mabel

 

Community Support Team _ Mabel Mao
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