app/vmselect: update flag description (#6347)

Update wording to highlight that cache is not persistent if flag is
value is empty. Previously, it was not clear if cache is not used at all
or just not persistent.

Signed-off-by: hagen1778 <roman@victoriametrics.com>
This commit is contained in:
Zakhar Bessarab 2024-05-24 15:58:54 +02:00 committed by hagen1778
parent 1be1e9a7a4
commit 7a5000656e
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@ -1307,7 +1307,7 @@ Below is the output for `/path/to/vmselect -help`:
-blockcache.missesBeforeCaching int
The number of cache misses before putting the block into cache. Higher values may reduce indexdb/dataBlocks cache size at the cost of higher CPU and disk read usage (default 2)
-cacheDataPath string
Path to directory for cache files. Cache isn't saved if empty
Path to directory for cache files. By default, the cache is not persisted.
-cacheExpireDuration duration
Items are removed from in-memory caches after they aren't accessed for this duration. Lower values may reduce memory usage at the cost of higher CPU usage. See also -prevCacheRemovalPercent (default 30m0s)
-cluster.tls