diff --git a/content/posts/2024-04-21-mysql-latency-and-iops.md b/content/posts/2024-04-21-mysql-latency-and-iops.md index b4ebd45b5a..f8dd2dc690 100644 --- a/content/posts/2024-04-21-mysql-latency-and-iops.md +++ b/content/posts/2024-04-21-mysql-latency-and-iops.md @@ -86,7 +86,7 @@ but it happens a long time after the commit in a batched fashion, often minutes Still, a filesystem benchmark that uses randomly written 16 KB pages usually characterizes the behavior of a storage subsystem in a way that good predictions of its real world performance can be made. -So run a`fio` benchmark that writes single-threadedly to a very large test file, +So run a `fio` benchmark that writes single-threadedly to a very large test file, doing random-writes with a 16 KB block size, and look for the `clat` numbers and the latency histogram in the benchmark.