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fix 'verify' option name in readme (#5441)

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Signed-off-by: Chris O'Haver <cohaver@infoblox.com>
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Chris O'Haver
2022-06-17 15:31:16 -04:00
committed by GitHub
parent 1c3537bdd2
commit d679f2e7d0
1 changed files with 2 additions and 2 deletions
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plugin/cache/README.md vendored
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@@ -58,10 +58,10 @@ cache [TTL] [ZONES...] {
available as long as it has not been expired for longer than **DURATION** (default 1 hour). By default, the _cache_ plugin will available as long as it has not been expired for longer than **DURATION** (default 1 hour). By default, the _cache_ plugin will
attempt to refresh the cache entry after sending the expired cache entry to the client. The attempt to refresh the cache entry after sending the expired cache entry to the client. The
responses have a TTL of 0. **REFRESH_MODE** controls the timing of the expired cache entry refresh. responses have a TTL of 0. **REFRESH_MODE** controls the timing of the expired cache entry refresh.
`verified` will first verify that an entry is still unavailable from the source before sending the expired entry to the client. `verify` will first verify that an entry is still unavailable from the source before sending the expired entry to the client.
`immediate` will immediately send the expired entry to the client before `immediate` will immediately send the expired entry to the client before
checking to see if the entry is available from the source. **REFRESH_MODE** defaults to `immediate`. Setting this checking to see if the entry is available from the source. **REFRESH_MODE** defaults to `immediate`. Setting this
value to `verified` can lead to increased latency when serving stale responses, but will prevent stale entries value to `verify` can lead to increased latency when serving stale responses, but will prevent stale entries
from ever being served if an updated response can be retrieved from the source. from ever being served if an updated response can be retrieved from the source.
## Capacity and Eviction ## Capacity and Eviction