Hey guys,I'm having trouble figuring out if one of our production SQL Server environments is lacking memory. Currently this server has 16GB of memory, and this instance has a max memory setting of 14GB. I'm monitoring the PLE from Spotlight and DMVs, and it's regularly dropping to 50-150 seconds during our busy production hours. I haven't been able to correlate these drops to any specific queries. We're not doing any index rebuilds or DBCC CHECKDB runs during this time either. Any suggestions on where to start troubleshooting this? Should I just throw more physical memory at this server? Below is a graph of the last two hours of our PLE.http://imgur.com/a/paVG1
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