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[DOCS] Clarify the trade-off of the `disk` doc values format.

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Adrien Grand 2014-06-13 13:24:53 +02:00
parent 01327d7136
commit 7a34702925
1 changed files with 5 additions and 6 deletions
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11
docs/reference/index-modules/codec.asciidoc
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@ -14,11 +14,10 @@ Configuring custom postings or doc values formats is an expert feature and
most likely using the builtin formats will suit your needs as is described
in the <<mapping-core-types,mapping section>>.
**********************************
[WARNING]
Only the default codec, postings format and doc values format are supported:
other formats may break backward compatibility between minor versions of
Elasticsearch, requiring data to be reindexed.
**********************************
[float]
@ -260,10 +259,10 @@ Type name: `memory`
[float]
==== Disk doc values format
A doc values format that stores and reads everything from disk. Although it may
be slightly slower than the default doc values format, this doc values format
will require almost no memory from the JVM. The disk doc values format has no
options.
A doc values format that stores and reads everything from disk. This is
generally not a good idea to use it as it saves very little memory compared
to the default doc values format although it can be significantly slower.
The disk doc values format has no options.
Type name: `disk`