Date: Tue, 12 Mar 2019 13:01:17 -0400 From: "Josh Paetzel" <josh@tcbug.org> To: freebsd-virtualization@freebsd.org Subject: Azure disk performance issue Message-ID: <0219ca84-a0b7-438d-b43c-28526d505d98@www.fastmail.com>
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I have an issue where a FreeBSD VHD in Azure performs well when reading, and it performs well when writing, but if you throw a mixed read/write workload at it the write performance drops to near zero and latency starts spiking to several hundred milliseconds. Interestingly enough read performance improves under these conditions. Looking for some troubleshooting help. -- Thanks, Josh Paetzel
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