SQL 2012 :: Calculate TempDB Size For Read Committed Snapshot Enabled

Apr 14, 2014

I receive Error: 3967, Severity: 17, State: 1. Insufficient space in tempdb to hold row versions. We have 8 data files for temp db of 10210 GB size and given 10240 GB as max size.

As MS suggest to calculate the temp db file size and growth rate we need to monitor the perform counters Free Space in Tempdb (KB) and Version Store Size (KB) in the Transactions object.

basic formula: [Size of Version Store] = 2 * [Version store data generated per minute] * [Longest running time (minutes) of your transaction

My report disk utilizations says tempdb is full ? I thonk I need a shrink for the file .

Still I am confused in calculating the size , My perform counter gives me data as such

Free Space in tempdb (KB)               279938496
Version Generation rate (KB/s)           53681040
Version Cleanup rate (KB/s)       53422320
Version Store Size (KB)      258720
Version Store unit count        22
Version Store unit creation                      774
Version Store unit truncation         752

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