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Docs: Note feature missing from reindex

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Reindex-from-remote doesn't support slices and I hadn't documented
that.

Closes #26114
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Nik Everett 2017-08-09 09:44:52 -04:00
parent 8285a0f399
commit 7d5f00d1d2
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docs/reference/docs/reindex.asciidoc
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@ -440,6 +440,10 @@ version.
To enable queries sent to older versions of Elasticsearch the `query` parameter
is sent directly to the remote host without validation or modification.
NOTE: Reindexing from remote clusters does not support
<<docs-reindex-manual-slice, manual>> or
<<docs-reindex-automatic-slice, automatic slicing>>.
Reindexing from a remote server uses an on-heap buffer that defaults to a
maximum size of 100mb. If the remote index includes very large documents you'll
need to use a smaller batch size. The example below sets the batch size `10`