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Updated cache.asciidoc 

The index level filter cache was removed a long time ago

Closes #6455
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Clinton Gormley 2014-07-04 14:25:53 +02:00
parent 9f5f11c6a2
commit d3f8c66e26
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docs/reference/index-modules/cache.asciidoc
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@ -31,25 +31,3 @@ configured in the node configuration).
`indices.cache.filter.size` can accept either a percentage value, like
`30%`, or an exact value, like `512mb`.
[float]
[[index-filter]]
==== Index Filter Cache
A filter cache that exists on the index level (on each node). Generally,
not recommended for use since its memory usage depends on which shards
are allocated on each node and its hard to predict it. The types are:
`resident`, `soft` and `weak`.
All types support the following settings:
[cols="<,<",options="header",]
|=======================================================================
|Setting |Description
|`index.cache.filter.max_size` |The max size (count, not byte size) of
the cache (per search segment in a shard). Defaults to not set (`-1`),
which is usually fine with `soft` cache and proper cacheable filters.
|`index.cache.filter.expire` |A time based setting that expires filters
after a certain time of inactivity. Defaults to `-1`. For example, can
be set to `5m` for a 5 minute expiry.
|=======================================================================