Fixed spelling error in performance tuning docs

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Kevin Brolly committed 2023-02-21 16:14:28 +00:00
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@@ -114,7 +114,7 @@ Queries which are the most time consuming are not necessarily bad, you may have
Generally for most applications a small percentage of data is accessed more regularly than the rest. To make sure that your regularly accessed data is available, Postgres tracks your data access patterns and keeps this in its [shared_buffers](https://www.postgresql.org/docs/15/runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY) cache.
Applications with lower cache hit rates generally perform more poorly since they have to hit the disk to get results rather than serving them from memory. Very poor hit rates can also cause you to burst past your [Disk I/O limits](https://supabase.com/docs/guides/platform/compute-add-ons#disk-io-bandwidth) causing significat performance issues.
Applications with lower cache hit rates generally perform more poorly since they have to hit the disk to get results rather than serving them from memory. Very poor hit rates can also cause you to burst past your [Disk I/O limits](https://supabase.com/docs/guides/platform/compute-add-ons#disk-io-bandwidth) causing significant performance issues.
You can view your cache and index hit rate by executing the following query: